Contents of /trunk/kernel-alx/patches-4.9/0315-4.9.216-all-fixes.patch
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Revision 3590 -
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Thu Aug 13 10:21:32 2020 UTC (4 years, 1 month ago) by niro
File size: 100543 byte(s)
Thu Aug 13 10:21:32 2020 UTC (4 years, 1 month ago) by niro
File size: 100543 byte(s)
linux-216
1 | diff --git a/Makefile b/Makefile |
2 | index b594484788a8..f0290097784a 100644 |
3 | --- a/Makefile |
4 | +++ b/Makefile |
5 | @@ -1,6 +1,6 @@ |
6 | VERSION = 4 |
7 | PATCHLEVEL = 9 |
8 | -SUBLEVEL = 215 |
9 | +SUBLEVEL = 216 |
10 | EXTRAVERSION = |
11 | NAME = Roaring Lionus |
12 | |
13 | diff --git a/arch/arm/boot/dts/ls1021a.dtsi b/arch/arm/boot/dts/ls1021a.dtsi |
14 | index 27133c3a4b12..0de4ba698d1d 100644 |
15 | --- a/arch/arm/boot/dts/ls1021a.dtsi |
16 | +++ b/arch/arm/boot/dts/ls1021a.dtsi |
17 | @@ -505,7 +505,7 @@ |
18 | }; |
19 | |
20 | mdio0: mdio@2d24000 { |
21 | - compatible = "fsl,etsec2-mdio"; |
22 | + compatible = "gianfar"; |
23 | device_type = "mdio"; |
24 | #address-cells = <1>; |
25 | #size-cells = <0>; |
26 | @@ -513,7 +513,7 @@ |
27 | }; |
28 | |
29 | mdio1: mdio@2d64000 { |
30 | - compatible = "fsl,etsec2-mdio"; |
31 | + compatible = "gianfar"; |
32 | device_type = "mdio"; |
33 | #address-cells = <1>; |
34 | #size-cells = <0>; |
35 | diff --git a/arch/arm/mach-imx/Makefile b/arch/arm/mach-imx/Makefile |
36 | index cab128913e72..3a4014870a91 100644 |
37 | --- a/arch/arm/mach-imx/Makefile |
38 | +++ b/arch/arm/mach-imx/Makefile |
39 | @@ -86,6 +86,8 @@ AFLAGS_suspend-imx6.o :=-Wa,-march=armv7-a |
40 | obj-$(CONFIG_SOC_IMX6) += suspend-imx6.o |
41 | obj-$(CONFIG_SOC_IMX53) += suspend-imx53.o |
42 | endif |
43 | +AFLAGS_resume-imx6.o :=-Wa,-march=armv7-a |
44 | +obj-$(CONFIG_SOC_IMX6) += resume-imx6.o |
45 | obj-$(CONFIG_SOC_IMX6) += pm-imx6.o |
46 | |
47 | obj-$(CONFIG_SOC_IMX1) += mach-imx1.o |
48 | diff --git a/arch/arm/mach-imx/common.h b/arch/arm/mach-imx/common.h |
49 | index c4436d9c52ff..a3f6885cefbf 100644 |
50 | --- a/arch/arm/mach-imx/common.h |
51 | +++ b/arch/arm/mach-imx/common.h |
52 | @@ -112,17 +112,17 @@ void imx_cpu_die(unsigned int cpu); |
53 | int imx_cpu_kill(unsigned int cpu); |
54 | |
55 | #ifdef CONFIG_SUSPEND |
56 | -void v7_cpu_resume(void); |
57 | void imx53_suspend(void __iomem *ocram_vbase); |
58 | extern const u32 imx53_suspend_sz; |
59 | void imx6_suspend(void __iomem *ocram_vbase); |
60 | #else |
61 | -static inline void v7_cpu_resume(void) {} |
62 | static inline void imx53_suspend(void __iomem *ocram_vbase) {} |
63 | static const u32 imx53_suspend_sz; |
64 | static inline void imx6_suspend(void __iomem *ocram_vbase) {} |
65 | #endif |
66 | |
67 | +void v7_cpu_resume(void); |
68 | + |
69 | void imx6_pm_ccm_init(const char *ccm_compat); |
70 | void imx6q_pm_init(void); |
71 | void imx6dl_pm_init(void); |
72 | diff --git a/arch/arm/mach-imx/resume-imx6.S b/arch/arm/mach-imx/resume-imx6.S |
73 | new file mode 100644 |
74 | index 000000000000..5bd1ba7ef15b |
75 | --- /dev/null |
76 | +++ b/arch/arm/mach-imx/resume-imx6.S |
77 | @@ -0,0 +1,24 @@ |
78 | +/* SPDX-License-Identifier: GPL-2.0-or-later */ |
79 | +/* |
80 | + * Copyright 2014 Freescale Semiconductor, Inc. |
81 | + */ |
82 | + |
83 | +#include <linux/linkage.h> |
84 | +#include <asm/assembler.h> |
85 | +#include <asm/asm-offsets.h> |
86 | +#include <asm/hardware/cache-l2x0.h> |
87 | +#include "hardware.h" |
88 | + |
89 | +/* |
90 | + * The following code must assume it is running from physical address |
91 | + * where absolute virtual addresses to the data section have to be |
92 | + * turned into relative ones. |
93 | + */ |
94 | + |
95 | +ENTRY(v7_cpu_resume) |
96 | + bl v7_invalidate_l1 |
97 | +#ifdef CONFIG_CACHE_L2X0 |
98 | + bl l2c310_early_resume |
99 | +#endif |
100 | + b cpu_resume |
101 | +ENDPROC(v7_cpu_resume) |
102 | diff --git a/arch/arm/mach-imx/suspend-imx6.S b/arch/arm/mach-imx/suspend-imx6.S |
103 | index 76ee2ceec8d5..7d84b617af48 100644 |
104 | --- a/arch/arm/mach-imx/suspend-imx6.S |
105 | +++ b/arch/arm/mach-imx/suspend-imx6.S |
106 | @@ -333,17 +333,3 @@ resume: |
107 | |
108 | ret lr |
109 | ENDPROC(imx6_suspend) |
110 | - |
111 | -/* |
112 | - * The following code must assume it is running from physical address |
113 | - * where absolute virtual addresses to the data section have to be |
114 | - * turned into relative ones. |
115 | - */ |
116 | - |
117 | -ENTRY(v7_cpu_resume) |
118 | - bl v7_invalidate_l1 |
119 | -#ifdef CONFIG_CACHE_L2X0 |
120 | - bl l2c310_early_resume |
121 | -#endif |
122 | - b cpu_resume |
123 | -ENDPROC(v7_cpu_resume) |
124 | diff --git a/arch/mips/kernel/vpe.c b/arch/mips/kernel/vpe.c |
125 | index 544ea21bfef9..b2683aca401f 100644 |
126 | --- a/arch/mips/kernel/vpe.c |
127 | +++ b/arch/mips/kernel/vpe.c |
128 | @@ -134,7 +134,7 @@ void release_vpe(struct vpe *v) |
129 | { |
130 | list_del(&v->list); |
131 | if (v->load_addr) |
132 | - release_progmem(v); |
133 | + release_progmem(v->load_addr); |
134 | kfree(v); |
135 | } |
136 | |
137 | diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c |
138 | index 7471ed48f41f..514e04b62261 100644 |
139 | --- a/arch/powerpc/kernel/cputable.c |
140 | +++ b/arch/powerpc/kernel/cputable.c |
141 | @@ -2199,11 +2199,13 @@ static struct cpu_spec * __init setup_cpu_spec(unsigned long offset, |
142 | * oprofile_cpu_type already has a value, then we are |
143 | * possibly overriding a real PVR with a logical one, |
144 | * and, in that case, keep the current value for |
145 | - * oprofile_cpu_type. |
146 | + * oprofile_cpu_type. Futhermore, let's ensure that the |
147 | + * fix for the PMAO bug is enabled on compatibility mode. |
148 | */ |
149 | if (old.oprofile_cpu_type != NULL) { |
150 | t->oprofile_cpu_type = old.oprofile_cpu_type; |
151 | t->oprofile_type = old.oprofile_type; |
152 | + t->cpu_features |= old.cpu_features & CPU_FTR_PMAO_BUG; |
153 | } |
154 | } |
155 | |
156 | diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c |
157 | index 477df9782fdf..f490a4fab2f7 100644 |
158 | --- a/arch/x86/kernel/cpu/common.c |
159 | +++ b/arch/x86/kernel/cpu/common.c |
160 | @@ -388,7 +388,7 @@ static __always_inline void setup_pku(struct cpuinfo_x86 *c) |
161 | * cpuid bit to be set. We need to ensure that we |
162 | * update that bit in this CPU's "cpu_info". |
163 | */ |
164 | - get_cpu_cap(c); |
165 | + set_cpu_cap(c, X86_FEATURE_OSPKE); |
166 | } |
167 | |
168 | #ifdef CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS |
169 | diff --git a/crypto/algif_skcipher.c b/crypto/algif_skcipher.c |
170 | index aaf2f810d170..b28f45aca2ef 100644 |
171 | --- a/crypto/algif_skcipher.c |
172 | +++ b/crypto/algif_skcipher.c |
173 | @@ -538,7 +538,7 @@ static int skcipher_recvmsg_async(struct socket *sock, struct msghdr *msg, |
174 | lock_sock(sk); |
175 | tx_nents = skcipher_all_sg_nents(ctx); |
176 | sreq->tsg = kcalloc(tx_nents, sizeof(*sg), GFP_KERNEL); |
177 | - if (unlikely(!sreq->tsg)) |
178 | + if (unlikely(ZERO_OR_NULL_PTR(sreq->tsg))) |
179 | goto unlock; |
180 | sg_init_table(sreq->tsg, tx_nents); |
181 | memcpy(iv, ctx->iv, ivsize); |
182 | diff --git a/drivers/acpi/acpi_watchdog.c b/drivers/acpi/acpi_watchdog.c |
183 | index 396e358c2cee..7ef0a0e105e1 100644 |
184 | --- a/drivers/acpi/acpi_watchdog.c |
185 | +++ b/drivers/acpi/acpi_watchdog.c |
186 | @@ -129,12 +129,11 @@ void __init acpi_watchdog_init(void) |
187 | gas = &entries[i].register_region; |
188 | |
189 | res.start = gas->address; |
190 | + res.end = res.start + ACPI_ACCESS_BYTE_WIDTH(gas->access_width) - 1; |
191 | if (gas->space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) { |
192 | res.flags = IORESOURCE_MEM; |
193 | - res.end = res.start + ALIGN(gas->access_width, 4) - 1; |
194 | } else if (gas->space_id == ACPI_ADR_SPACE_SYSTEM_IO) { |
195 | res.flags = IORESOURCE_IO; |
196 | - res.end = res.start + gas->access_width - 1; |
197 | } else { |
198 | pr_warn("Unsupported address space: %u\n", |
199 | gas->space_id); |
200 | diff --git a/drivers/char/ipmi/ipmi_ssif.c b/drivers/char/ipmi/ipmi_ssif.c |
201 | index 996b9ae15404..a4ef9a6bd367 100644 |
202 | --- a/drivers/char/ipmi/ipmi_ssif.c |
203 | +++ b/drivers/char/ipmi/ipmi_ssif.c |
204 | @@ -746,10 +746,14 @@ static void msg_done_handler(struct ssif_info *ssif_info, int result, |
205 | flags = ipmi_ssif_lock_cond(ssif_info, &oflags); |
206 | msg = ssif_info->curr_msg; |
207 | if (msg) { |
208 | + if (data) { |
209 | + if (len > IPMI_MAX_MSG_LENGTH) |
210 | + len = IPMI_MAX_MSG_LENGTH; |
211 | + memcpy(msg->rsp, data, len); |
212 | + } else { |
213 | + len = 0; |
214 | + } |
215 | msg->rsp_size = len; |
216 | - if (msg->rsp_size > IPMI_MAX_MSG_LENGTH) |
217 | - msg->rsp_size = IPMI_MAX_MSG_LENGTH; |
218 | - memcpy(msg->rsp, data, msg->rsp_size); |
219 | ssif_info->curr_msg = NULL; |
220 | } |
221 | |
222 | diff --git a/drivers/dma/coh901318.c b/drivers/dma/coh901318.c |
223 | index 6d7d2d54eacf..f0932f25a9b1 100644 |
224 | --- a/drivers/dma/coh901318.c |
225 | +++ b/drivers/dma/coh901318.c |
226 | @@ -1944,8 +1944,6 @@ static void dma_tc_handle(struct coh901318_chan *cohc) |
227 | return; |
228 | } |
229 | |
230 | - spin_lock(&cohc->lock); |
231 | - |
232 | /* |
233 | * When we reach this point, at least one queue item |
234 | * should have been moved over from cohc->queue to |
235 | @@ -1966,8 +1964,6 @@ static void dma_tc_handle(struct coh901318_chan *cohc) |
236 | if (coh901318_queue_start(cohc) == NULL) |
237 | cohc->busy = 0; |
238 | |
239 | - spin_unlock(&cohc->lock); |
240 | - |
241 | /* |
242 | * This tasklet will remove items from cohc->active |
243 | * and thus terminates them. |
244 | diff --git a/drivers/dma/tegra20-apb-dma.c b/drivers/dma/tegra20-apb-dma.c |
245 | index 22f7f0c68a48..4eaf92b2b886 100644 |
246 | --- a/drivers/dma/tegra20-apb-dma.c |
247 | +++ b/drivers/dma/tegra20-apb-dma.c |
248 | @@ -288,7 +288,7 @@ static struct tegra_dma_desc *tegra_dma_desc_get( |
249 | |
250 | /* Do not allocate if desc are waiting for ack */ |
251 | list_for_each_entry(dma_desc, &tdc->free_dma_desc, node) { |
252 | - if (async_tx_test_ack(&dma_desc->txd)) { |
253 | + if (async_tx_test_ack(&dma_desc->txd) && !dma_desc->cb_count) { |
254 | list_del(&dma_desc->node); |
255 | spin_unlock_irqrestore(&tdc->lock, flags); |
256 | dma_desc->txd.flags = 0; |
257 | @@ -755,10 +755,6 @@ static int tegra_dma_terminate_all(struct dma_chan *dc) |
258 | bool was_busy; |
259 | |
260 | spin_lock_irqsave(&tdc->lock, flags); |
261 | - if (list_empty(&tdc->pending_sg_req)) { |
262 | - spin_unlock_irqrestore(&tdc->lock, flags); |
263 | - return 0; |
264 | - } |
265 | |
266 | if (!tdc->busy) |
267 | goto skip_dma_stop; |
268 | diff --git a/drivers/gpu/drm/msm/dsi/dsi_manager.c b/drivers/gpu/drm/msm/dsi/dsi_manager.c |
269 | index c8d1f19c9a6d..d46b9e75a847 100644 |
270 | --- a/drivers/gpu/drm/msm/dsi/dsi_manager.c |
271 | +++ b/drivers/gpu/drm/msm/dsi/dsi_manager.c |
272 | @@ -306,7 +306,7 @@ static int dsi_mgr_connector_get_modes(struct drm_connector *connector) |
273 | return num; |
274 | } |
275 | |
276 | -static int dsi_mgr_connector_mode_valid(struct drm_connector *connector, |
277 | +static enum drm_mode_status dsi_mgr_connector_mode_valid(struct drm_connector *connector, |
278 | struct drm_display_mode *mode) |
279 | { |
280 | int id = dsi_mgr_connector_get_id(connector); |
281 | @@ -438,6 +438,7 @@ static void dsi_mgr_bridge_post_disable(struct drm_bridge *bridge) |
282 | struct msm_dsi *msm_dsi1 = dsi_mgr_get_dsi(DSI_1); |
283 | struct mipi_dsi_host *host = msm_dsi->host; |
284 | struct drm_panel *panel = msm_dsi->panel; |
285 | + struct msm_dsi_pll *src_pll; |
286 | bool is_dual_dsi = IS_DUAL_DSI(); |
287 | int ret; |
288 | |
289 | @@ -471,6 +472,10 @@ static void dsi_mgr_bridge_post_disable(struct drm_bridge *bridge) |
290 | id, ret); |
291 | } |
292 | |
293 | + /* Save PLL status if it is a clock source */ |
294 | + src_pll = msm_dsi_phy_get_pll(msm_dsi->phy); |
295 | + msm_dsi_pll_save_state(src_pll); |
296 | + |
297 | ret = msm_dsi_host_power_off(host); |
298 | if (ret) |
299 | pr_err("%s: host %d power off failed,%d\n", __func__, id, ret); |
300 | diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c |
301 | index 6abf315fd6da..ce32f41fc28a 100644 |
302 | --- a/drivers/gpu/drm/msm/msm_drv.c |
303 | +++ b/drivers/gpu/drm/msm/msm_drv.c |
304 | @@ -396,6 +396,14 @@ static int msm_drm_init(struct device *dev, struct drm_driver *drv) |
305 | if (ret) |
306 | goto fail; |
307 | |
308 | + if (!dev->dma_parms) { |
309 | + dev->dma_parms = devm_kzalloc(dev, sizeof(*dev->dma_parms), |
310 | + GFP_KERNEL); |
311 | + if (!dev->dma_parms) |
312 | + return -ENOMEM; |
313 | + } |
314 | + dma_set_max_seg_size(dev, DMA_BIT_MASK(32)); |
315 | + |
316 | msm_gem_shrinker_init(ddev); |
317 | |
318 | switch (get_mdp_ver(pdev)) { |
319 | diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c |
320 | index e382d6f23097..b4b9d8152536 100644 |
321 | --- a/drivers/hid/hid-core.c |
322 | +++ b/drivers/hid/hid-core.c |
323 | @@ -1547,7 +1547,9 @@ int hid_report_raw_event(struct hid_device *hid, int type, u8 *data, u32 size, |
324 | |
325 | rsize = ((report->size - 1) >> 3) + 1; |
326 | |
327 | - if (rsize > HID_MAX_BUFFER_SIZE) |
328 | + if (report_enum->numbered && rsize >= HID_MAX_BUFFER_SIZE) |
329 | + rsize = HID_MAX_BUFFER_SIZE - 1; |
330 | + else if (rsize > HID_MAX_BUFFER_SIZE) |
331 | rsize = HID_MAX_BUFFER_SIZE; |
332 | |
333 | if (csize < rsize) { |
334 | diff --git a/drivers/hid/usbhid/hiddev.c b/drivers/hid/usbhid/hiddev.c |
335 | index 8903ea09ac58..dbdd265075da 100644 |
336 | --- a/drivers/hid/usbhid/hiddev.c |
337 | +++ b/drivers/hid/usbhid/hiddev.c |
338 | @@ -962,9 +962,9 @@ void hiddev_disconnect(struct hid_device *hid) |
339 | hiddev->exist = 0; |
340 | |
341 | if (hiddev->open) { |
342 | - mutex_unlock(&hiddev->existancelock); |
343 | usbhid_close(hiddev->hid); |
344 | wake_up_interruptible(&hiddev->wait); |
345 | + mutex_unlock(&hiddev->existancelock); |
346 | } else { |
347 | mutex_unlock(&hiddev->existancelock); |
348 | kfree(hiddev); |
349 | diff --git a/drivers/hwmon/adt7462.c b/drivers/hwmon/adt7462.c |
350 | index 5929e126da63..d9923d63eb4f 100644 |
351 | --- a/drivers/hwmon/adt7462.c |
352 | +++ b/drivers/hwmon/adt7462.c |
353 | @@ -426,7 +426,7 @@ static int ADT7462_REG_VOLT(struct adt7462_data *data, int which) |
354 | return 0x95; |
355 | break; |
356 | } |
357 | - return -ENODEV; |
358 | + return 0; |
359 | } |
360 | |
361 | /* Provide labels for sysfs */ |
362 | diff --git a/drivers/i2c/busses/i2c-jz4780.c b/drivers/i2c/busses/i2c-jz4780.c |
363 | index 30132c3957cd..41ca9ff7b5da 100644 |
364 | --- a/drivers/i2c/busses/i2c-jz4780.c |
365 | +++ b/drivers/i2c/busses/i2c-jz4780.c |
366 | @@ -82,25 +82,6 @@ |
367 | #define JZ4780_I2C_STA_TFNF BIT(1) |
368 | #define JZ4780_I2C_STA_ACT BIT(0) |
369 | |
370 | -static const char * const jz4780_i2c_abrt_src[] = { |
371 | - "ABRT_7B_ADDR_NOACK", |
372 | - "ABRT_10ADDR1_NOACK", |
373 | - "ABRT_10ADDR2_NOACK", |
374 | - "ABRT_XDATA_NOACK", |
375 | - "ABRT_GCALL_NOACK", |
376 | - "ABRT_GCALL_READ", |
377 | - "ABRT_HS_ACKD", |
378 | - "SBYTE_ACKDET", |
379 | - "ABRT_HS_NORSTRT", |
380 | - "SBYTE_NORSTRT", |
381 | - "ABRT_10B_RD_NORSTRT", |
382 | - "ABRT_MASTER_DIS", |
383 | - "ARB_LOST", |
384 | - "SLVFLUSH_TXFIFO", |
385 | - "SLV_ARBLOST", |
386 | - "SLVRD_INTX", |
387 | -}; |
388 | - |
389 | #define JZ4780_I2C_INTST_IGC BIT(11) |
390 | #define JZ4780_I2C_INTST_ISTT BIT(10) |
391 | #define JZ4780_I2C_INTST_ISTP BIT(9) |
392 | @@ -538,21 +519,8 @@ done: |
393 | |
394 | static void jz4780_i2c_txabrt(struct jz4780_i2c *i2c, int src) |
395 | { |
396 | - int i; |
397 | - |
398 | - dev_err(&i2c->adap.dev, "txabrt: 0x%08x\n", src); |
399 | - dev_err(&i2c->adap.dev, "device addr=%x\n", |
400 | - jz4780_i2c_readw(i2c, JZ4780_I2C_TAR)); |
401 | - dev_err(&i2c->adap.dev, "send cmd count:%d %d\n", |
402 | - i2c->cmd, i2c->cmd_buf[i2c->cmd]); |
403 | - dev_err(&i2c->adap.dev, "receive data count:%d %d\n", |
404 | - i2c->cmd, i2c->data_buf[i2c->cmd]); |
405 | - |
406 | - for (i = 0; i < 16; i++) { |
407 | - if (src & BIT(i)) |
408 | - dev_dbg(&i2c->adap.dev, "I2C TXABRT[%d]=%s\n", |
409 | - i, jz4780_i2c_abrt_src[i]); |
410 | - } |
411 | + dev_dbg(&i2c->adap.dev, "txabrt: 0x%08x, cmd: %d, send: %d, recv: %d\n", |
412 | + src, i2c->cmd, i2c->cmd_buf[i2c->cmd], i2c->data_buf[i2c->cmd]); |
413 | } |
414 | |
415 | static inline int jz4780_i2c_xfer_read(struct jz4780_i2c *i2c, |
416 | diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c |
417 | index 71c7c4c328ef..304429fd04dd 100644 |
418 | --- a/drivers/infiniband/core/cm.c |
419 | +++ b/drivers/infiniband/core/cm.c |
420 | @@ -1073,6 +1073,7 @@ struct ib_cm_id *ib_cm_insert_listen(struct ib_device *device, |
421 | /* Sharing an ib_cm_id with different handlers is not |
422 | * supported */ |
423 | spin_unlock_irqrestore(&cm.lock, flags); |
424 | + ib_destroy_cm_id(cm_id); |
425 | return ERR_PTR(-EINVAL); |
426 | } |
427 | atomic_inc(&cm_id_priv->refcount); |
428 | diff --git a/drivers/infiniband/core/iwcm.c b/drivers/infiniband/core/iwcm.c |
429 | index 5495e22839a7..1f71c306923f 100644 |
430 | --- a/drivers/infiniband/core/iwcm.c |
431 | +++ b/drivers/infiniband/core/iwcm.c |
432 | @@ -137,8 +137,10 @@ static void dealloc_work_entries(struct iwcm_id_private *cm_id_priv) |
433 | { |
434 | struct list_head *e, *tmp; |
435 | |
436 | - list_for_each_safe(e, tmp, &cm_id_priv->work_free_list) |
437 | + list_for_each_safe(e, tmp, &cm_id_priv->work_free_list) { |
438 | + list_del(e); |
439 | kfree(list_entry(e, struct iwcm_work, free_list)); |
440 | + } |
441 | } |
442 | |
443 | static int alloc_work_entries(struct iwcm_id_private *cm_id_priv, int count) |
444 | diff --git a/drivers/md/dm-cache-target.c b/drivers/md/dm-cache-target.c |
445 | index 58b97226050f..1b7d77080d6b 100644 |
446 | --- a/drivers/md/dm-cache-target.c |
447 | +++ b/drivers/md/dm-cache-target.c |
448 | @@ -2192,8 +2192,8 @@ static void wait_for_migrations(struct cache *cache) |
449 | |
450 | static void stop_worker(struct cache *cache) |
451 | { |
452 | - cancel_delayed_work(&cache->waker); |
453 | - flush_workqueue(cache->wq); |
454 | + cancel_delayed_work_sync(&cache->waker); |
455 | + drain_workqueue(cache->wq); |
456 | } |
457 | |
458 | static void requeue_deferred_cells(struct cache *cache) |
459 | diff --git a/drivers/net/ethernet/amazon/ena/ena_com.c b/drivers/net/ethernet/amazon/ena/ena_com.c |
460 | index 912dc09bc7a7..905911f78693 100644 |
461 | --- a/drivers/net/ethernet/amazon/ena/ena_com.c |
462 | +++ b/drivers/net/ethernet/amazon/ena/ena_com.c |
463 | @@ -199,6 +199,11 @@ static inline void comp_ctxt_release(struct ena_com_admin_queue *queue, |
464 | static struct ena_comp_ctx *get_comp_ctxt(struct ena_com_admin_queue *queue, |
465 | u16 command_id, bool capture) |
466 | { |
467 | + if (unlikely(!queue->comp_ctx)) { |
468 | + pr_err("Completion context is NULL\n"); |
469 | + return NULL; |
470 | + } |
471 | + |
472 | if (unlikely(command_id >= queue->q_depth)) { |
473 | pr_err("command id is larger than the queue size. cmd_id: %u queue size %d\n", |
474 | command_id, queue->q_depth); |
475 | @@ -839,6 +844,24 @@ static int ena_com_get_feature(struct ena_com_dev *ena_dev, |
476 | 0); |
477 | } |
478 | |
479 | +static void ena_com_hash_key_fill_default_key(struct ena_com_dev *ena_dev) |
480 | +{ |
481 | + struct ena_admin_feature_rss_flow_hash_control *hash_key = |
482 | + (ena_dev->rss).hash_key; |
483 | + |
484 | + netdev_rss_key_fill(&hash_key->key, sizeof(hash_key->key)); |
485 | + /* The key is stored in the device in u32 array |
486 | + * as well as the API requires the key to be passed in this |
487 | + * format. Thus the size of our array should be divided by 4 |
488 | + */ |
489 | + hash_key->keys_num = sizeof(hash_key->key) / sizeof(u32); |
490 | +} |
491 | + |
492 | +int ena_com_get_current_hash_function(struct ena_com_dev *ena_dev) |
493 | +{ |
494 | + return ena_dev->rss.hash_func; |
495 | +} |
496 | + |
497 | static int ena_com_hash_key_allocate(struct ena_com_dev *ena_dev) |
498 | { |
499 | struct ena_rss *rss = &ena_dev->rss; |
500 | @@ -2034,15 +2057,16 @@ int ena_com_fill_hash_function(struct ena_com_dev *ena_dev, |
501 | |
502 | switch (func) { |
503 | case ENA_ADMIN_TOEPLITZ: |
504 | - if (key_len > sizeof(hash_key->key)) { |
505 | - pr_err("key len (%hu) is bigger than the max supported (%zu)\n", |
506 | - key_len, sizeof(hash_key->key)); |
507 | - return -EINVAL; |
508 | + if (key) { |
509 | + if (key_len != sizeof(hash_key->key)) { |
510 | + pr_err("key len (%hu) doesn't equal the supported size (%zu)\n", |
511 | + key_len, sizeof(hash_key->key)); |
512 | + return -EINVAL; |
513 | + } |
514 | + memcpy(hash_key->key, key, key_len); |
515 | + rss->hash_init_val = init_val; |
516 | + hash_key->keys_num = key_len >> 2; |
517 | } |
518 | - |
519 | - memcpy(hash_key->key, key, key_len); |
520 | - rss->hash_init_val = init_val; |
521 | - hash_key->keys_num = key_len >> 2; |
522 | break; |
523 | case ENA_ADMIN_CRC32: |
524 | rss->hash_init_val = init_val; |
525 | @@ -2079,7 +2103,11 @@ int ena_com_get_hash_function(struct ena_com_dev *ena_dev, |
526 | if (unlikely(rc)) |
527 | return rc; |
528 | |
529 | - rss->hash_func = get_resp.u.flow_hash_func.selected_func; |
530 | + /* ffs() returns 1 in case the lsb is set */ |
531 | + rss->hash_func = ffs(get_resp.u.flow_hash_func.selected_func); |
532 | + if (rss->hash_func) |
533 | + rss->hash_func--; |
534 | + |
535 | if (func) |
536 | *func = rss->hash_func; |
537 | |
538 | @@ -2366,6 +2394,8 @@ int ena_com_rss_init(struct ena_com_dev *ena_dev, u16 indr_tbl_log_size) |
539 | if (unlikely(rc)) |
540 | goto err_hash_key; |
541 | |
542 | + ena_com_hash_key_fill_default_key(ena_dev); |
543 | + |
544 | rc = ena_com_hash_ctrl_init(ena_dev); |
545 | if (unlikely(rc)) |
546 | goto err_hash_ctrl; |
547 | diff --git a/drivers/net/ethernet/amazon/ena/ena_com.h b/drivers/net/ethernet/amazon/ena/ena_com.h |
548 | index 509d7b8e15ab..98b2ad20f599 100644 |
549 | --- a/drivers/net/ethernet/amazon/ena/ena_com.h |
550 | +++ b/drivers/net/ethernet/amazon/ena/ena_com.h |
551 | @@ -41,6 +41,7 @@ |
552 | #include <linux/spinlock.h> |
553 | #include <linux/types.h> |
554 | #include <linux/wait.h> |
555 | +#include <linux/netdevice.h> |
556 | |
557 | #include "ena_common_defs.h" |
558 | #include "ena_admin_defs.h" |
559 | @@ -622,6 +623,14 @@ int ena_com_rss_init(struct ena_com_dev *ena_dev, u16 log_size); |
560 | */ |
561 | void ena_com_rss_destroy(struct ena_com_dev *ena_dev); |
562 | |
563 | +/* ena_com_get_current_hash_function - Get RSS hash function |
564 | + * @ena_dev: ENA communication layer struct |
565 | + * |
566 | + * Return the current hash function. |
567 | + * @return: 0 or one of the ena_admin_hash_functions values. |
568 | + */ |
569 | +int ena_com_get_current_hash_function(struct ena_com_dev *ena_dev); |
570 | + |
571 | /* ena_com_fill_hash_function - Fill RSS hash function |
572 | * @ena_dev: ENA communication layer struct |
573 | * @func: The hash function (Toeplitz or crc) |
574 | diff --git a/drivers/net/ethernet/amazon/ena/ena_ethtool.c b/drivers/net/ethernet/amazon/ena/ena_ethtool.c |
575 | index 06fd061a20e9..0ef0a7b75751 100644 |
576 | --- a/drivers/net/ethernet/amazon/ena/ena_ethtool.c |
577 | +++ b/drivers/net/ethernet/amazon/ena/ena_ethtool.c |
578 | @@ -651,6 +651,28 @@ static u32 ena_get_rxfh_key_size(struct net_device *netdev) |
579 | return ENA_HASH_KEY_SIZE; |
580 | } |
581 | |
582 | +static int ena_indirection_table_get(struct ena_adapter *adapter, u32 *indir) |
583 | +{ |
584 | + struct ena_com_dev *ena_dev = adapter->ena_dev; |
585 | + int i, rc; |
586 | + |
587 | + if (!indir) |
588 | + return 0; |
589 | + |
590 | + rc = ena_com_indirect_table_get(ena_dev, indir); |
591 | + if (rc) |
592 | + return rc; |
593 | + |
594 | + /* Our internal representation of the indices is: even indices |
595 | + * for Tx and uneven indices for Rx. We need to convert the Rx |
596 | + * indices to be consecutive |
597 | + */ |
598 | + for (i = 0; i < ENA_RX_RSS_TABLE_SIZE; i++) |
599 | + indir[i] = ENA_IO_RXQ_IDX_TO_COMBINED_IDX(indir[i]); |
600 | + |
601 | + return rc; |
602 | +} |
603 | + |
604 | static int ena_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key, |
605 | u8 *hfunc) |
606 | { |
607 | @@ -659,11 +681,25 @@ static int ena_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key, |
608 | u8 func; |
609 | int rc; |
610 | |
611 | - rc = ena_com_indirect_table_get(adapter->ena_dev, indir); |
612 | + rc = ena_indirection_table_get(adapter, indir); |
613 | if (rc) |
614 | return rc; |
615 | |
616 | + /* We call this function in order to check if the device |
617 | + * supports getting/setting the hash function. |
618 | + */ |
619 | rc = ena_com_get_hash_function(adapter->ena_dev, &ena_func, key); |
620 | + |
621 | + if (rc) { |
622 | + if (rc == -EOPNOTSUPP) { |
623 | + key = NULL; |
624 | + hfunc = NULL; |
625 | + rc = 0; |
626 | + } |
627 | + |
628 | + return rc; |
629 | + } |
630 | + |
631 | if (rc) |
632 | return rc; |
633 | |
634 | @@ -715,6 +751,9 @@ static int ena_set_rxfh(struct net_device *netdev, const u32 *indir, |
635 | } |
636 | |
637 | switch (hfunc) { |
638 | + case ETH_RSS_HASH_NO_CHANGE: |
639 | + func = ena_com_get_current_hash_function(ena_dev); |
640 | + break; |
641 | case ETH_RSS_HASH_TOP: |
642 | func = ENA_ADMIN_TOEPLITZ; |
643 | break; |
644 | @@ -819,6 +858,7 @@ static const struct ethtool_ops ena_ethtool_ops = { |
645 | .get_channels = ena_get_channels, |
646 | .get_tunable = ena_get_tunable, |
647 | .set_tunable = ena_set_tunable, |
648 | + .get_ts_info = ethtool_op_get_ts_info, |
649 | }; |
650 | |
651 | void ena_set_ethtool_ops(struct net_device *netdev) |
652 | diff --git a/drivers/net/ethernet/amazon/ena/ena_netdev.h b/drivers/net/ethernet/amazon/ena/ena_netdev.h |
653 | index 008f2d594d40..326c2e1437b3 100644 |
654 | --- a/drivers/net/ethernet/amazon/ena/ena_netdev.h |
655 | +++ b/drivers/net/ethernet/amazon/ena/ena_netdev.h |
656 | @@ -110,6 +110,8 @@ |
657 | |
658 | #define ENA_IO_TXQ_IDX(q) (2 * (q)) |
659 | #define ENA_IO_RXQ_IDX(q) (2 * (q) + 1) |
660 | +#define ENA_IO_TXQ_IDX_TO_COMBINED_IDX(q) ((q) / 2) |
661 | +#define ENA_IO_RXQ_IDX_TO_COMBINED_IDX(q) (((q) - 1) / 2) |
662 | |
663 | #define ENA_MGMNT_IRQ_IDX 0 |
664 | #define ENA_IO_IRQ_FIRST_IDX 1 |
665 | diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c |
666 | index de4b5d267c30..17c07837033f 100644 |
667 | --- a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c |
668 | +++ b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c |
669 | @@ -1711,7 +1711,7 @@ static int xgene_enet_probe(struct platform_device *pdev) |
670 | int ret; |
671 | |
672 | ndev = alloc_etherdev_mqs(sizeof(struct xgene_enet_pdata), |
673 | - XGENE_NUM_RX_RING, XGENE_NUM_TX_RING); |
674 | + XGENE_NUM_TX_RING, XGENE_NUM_RX_RING); |
675 | if (!ndev) |
676 | return -ENOMEM; |
677 | |
678 | diff --git a/drivers/net/ethernet/micrel/ks8851_mll.c b/drivers/net/ethernet/micrel/ks8851_mll.c |
679 | index 8dc1f0277117..d94e151cff12 100644 |
680 | --- a/drivers/net/ethernet/micrel/ks8851_mll.c |
681 | +++ b/drivers/net/ethernet/micrel/ks8851_mll.c |
682 | @@ -474,24 +474,6 @@ static int msg_enable; |
683 | * chip is busy transferring packet data (RX/TX FIFO accesses). |
684 | */ |
685 | |
686 | -/** |
687 | - * ks_rdreg8 - read 8 bit register from device |
688 | - * @ks : The chip information |
689 | - * @offset: The register address |
690 | - * |
691 | - * Read a 8bit register from the chip, returning the result |
692 | - */ |
693 | -static u8 ks_rdreg8(struct ks_net *ks, int offset) |
694 | -{ |
695 | - u16 data; |
696 | - u8 shift_bit = offset & 0x03; |
697 | - u8 shift_data = (offset & 1) << 3; |
698 | - ks->cmd_reg_cache = (u16) offset | (u16)(BE0 << shift_bit); |
699 | - iowrite16(ks->cmd_reg_cache, ks->hw_addr_cmd); |
700 | - data = ioread16(ks->hw_addr); |
701 | - return (u8)(data >> shift_data); |
702 | -} |
703 | - |
704 | /** |
705 | * ks_rdreg16 - read 16 bit register from device |
706 | * @ks : The chip information |
707 | @@ -502,27 +484,11 @@ static u8 ks_rdreg8(struct ks_net *ks, int offset) |
708 | |
709 | static u16 ks_rdreg16(struct ks_net *ks, int offset) |
710 | { |
711 | - ks->cmd_reg_cache = (u16)offset | ((BE1 | BE0) << (offset & 0x02)); |
712 | + ks->cmd_reg_cache = (u16)offset | ((BE3 | BE2) >> (offset & 0x02)); |
713 | iowrite16(ks->cmd_reg_cache, ks->hw_addr_cmd); |
714 | return ioread16(ks->hw_addr); |
715 | } |
716 | |
717 | -/** |
718 | - * ks_wrreg8 - write 8bit register value to chip |
719 | - * @ks: The chip information |
720 | - * @offset: The register address |
721 | - * @value: The value to write |
722 | - * |
723 | - */ |
724 | -static void ks_wrreg8(struct ks_net *ks, int offset, u8 value) |
725 | -{ |
726 | - u8 shift_bit = (offset & 0x03); |
727 | - u16 value_write = (u16)(value << ((offset & 1) << 3)); |
728 | - ks->cmd_reg_cache = (u16)offset | (BE0 << shift_bit); |
729 | - iowrite16(ks->cmd_reg_cache, ks->hw_addr_cmd); |
730 | - iowrite16(value_write, ks->hw_addr); |
731 | -} |
732 | - |
733 | /** |
734 | * ks_wrreg16 - write 16bit register value to chip |
735 | * @ks: The chip information |
736 | @@ -533,7 +499,7 @@ static void ks_wrreg8(struct ks_net *ks, int offset, u8 value) |
737 | |
738 | static void ks_wrreg16(struct ks_net *ks, int offset, u16 value) |
739 | { |
740 | - ks->cmd_reg_cache = (u16)offset | ((BE1 | BE0) << (offset & 0x02)); |
741 | + ks->cmd_reg_cache = (u16)offset | ((BE3 | BE2) >> (offset & 0x02)); |
742 | iowrite16(ks->cmd_reg_cache, ks->hw_addr_cmd); |
743 | iowrite16(value, ks->hw_addr); |
744 | } |
745 | @@ -549,7 +515,7 @@ static inline void ks_inblk(struct ks_net *ks, u16 *wptr, u32 len) |
746 | { |
747 | len >>= 1; |
748 | while (len--) |
749 | - *wptr++ = (u16)ioread16(ks->hw_addr); |
750 | + *wptr++ = be16_to_cpu(ioread16(ks->hw_addr)); |
751 | } |
752 | |
753 | /** |
754 | @@ -563,7 +529,7 @@ static inline void ks_outblk(struct ks_net *ks, u16 *wptr, u32 len) |
755 | { |
756 | len >>= 1; |
757 | while (len--) |
758 | - iowrite16(*wptr++, ks->hw_addr); |
759 | + iowrite16(cpu_to_be16(*wptr++), ks->hw_addr); |
760 | } |
761 | |
762 | static void ks_disable_int(struct ks_net *ks) |
763 | @@ -642,8 +608,7 @@ static void ks_read_config(struct ks_net *ks) |
764 | u16 reg_data = 0; |
765 | |
766 | /* Regardless of bus width, 8 bit read should always work.*/ |
767 | - reg_data = ks_rdreg8(ks, KS_CCR) & 0x00FF; |
768 | - reg_data |= ks_rdreg8(ks, KS_CCR+1) << 8; |
769 | + reg_data = ks_rdreg16(ks, KS_CCR); |
770 | |
771 | /* addr/data bus are multiplexed */ |
772 | ks->sharedbus = (reg_data & CCR_SHARED) == CCR_SHARED; |
773 | @@ -747,7 +712,7 @@ static inline void ks_read_qmu(struct ks_net *ks, u16 *buf, u32 len) |
774 | |
775 | /* 1. set sudo DMA mode */ |
776 | ks_wrreg16(ks, KS_RXFDPR, RXFDPR_RXFPAI); |
777 | - ks_wrreg8(ks, KS_RXQCR, (ks->rc_rxqcr | RXQCR_SDA) & 0xff); |
778 | + ks_wrreg16(ks, KS_RXQCR, ks->rc_rxqcr | RXQCR_SDA); |
779 | |
780 | /* 2. read prepend data */ |
781 | /** |
782 | @@ -764,7 +729,7 @@ static inline void ks_read_qmu(struct ks_net *ks, u16 *buf, u32 len) |
783 | ks_inblk(ks, buf, ALIGN(len, 4)); |
784 | |
785 | /* 4. reset sudo DMA Mode */ |
786 | - ks_wrreg8(ks, KS_RXQCR, ks->rc_rxqcr); |
787 | + ks_wrreg16(ks, KS_RXQCR, ks->rc_rxqcr); |
788 | } |
789 | |
790 | /** |
791 | @@ -997,13 +962,13 @@ static void ks_write_qmu(struct ks_net *ks, u8 *pdata, u16 len) |
792 | ks->txh.txw[1] = cpu_to_le16(len); |
793 | |
794 | /* 1. set sudo-DMA mode */ |
795 | - ks_wrreg8(ks, KS_RXQCR, (ks->rc_rxqcr | RXQCR_SDA) & 0xff); |
796 | + ks_wrreg16(ks, KS_RXQCR, ks->rc_rxqcr | RXQCR_SDA); |
797 | /* 2. write status/lenth info */ |
798 | ks_outblk(ks, ks->txh.txw, 4); |
799 | /* 3. write pkt data */ |
800 | ks_outblk(ks, (u16 *)pdata, ALIGN(len, 4)); |
801 | /* 4. reset sudo-DMA mode */ |
802 | - ks_wrreg8(ks, KS_RXQCR, ks->rc_rxqcr); |
803 | + ks_wrreg16(ks, KS_RXQCR, ks->rc_rxqcr); |
804 | /* 5. Enqueue Tx(move the pkt from TX buffer into TXQ) */ |
805 | ks_wrreg16(ks, KS_TXQCR, TXQCR_METFE); |
806 | /* 6. wait until TXQCR_METFE is auto-cleared */ |
807 | diff --git a/drivers/net/phy/mdio-bcm-iproc.c b/drivers/net/phy/mdio-bcm-iproc.c |
808 | index 46fe1ae919a3..51ce3ea17fb3 100644 |
809 | --- a/drivers/net/phy/mdio-bcm-iproc.c |
810 | +++ b/drivers/net/phy/mdio-bcm-iproc.c |
811 | @@ -188,6 +188,23 @@ static int iproc_mdio_remove(struct platform_device *pdev) |
812 | return 0; |
813 | } |
814 | |
815 | +#ifdef CONFIG_PM_SLEEP |
816 | +int iproc_mdio_resume(struct device *dev) |
817 | +{ |
818 | + struct platform_device *pdev = to_platform_device(dev); |
819 | + struct iproc_mdio_priv *priv = platform_get_drvdata(pdev); |
820 | + |
821 | + /* restore the mii clock configuration */ |
822 | + iproc_mdio_config_clk(priv->base); |
823 | + |
824 | + return 0; |
825 | +} |
826 | + |
827 | +static const struct dev_pm_ops iproc_mdio_pm_ops = { |
828 | + .resume = iproc_mdio_resume |
829 | +}; |
830 | +#endif /* CONFIG_PM_SLEEP */ |
831 | + |
832 | static const struct of_device_id iproc_mdio_of_match[] = { |
833 | { .compatible = "brcm,iproc-mdio", }, |
834 | { /* sentinel */ }, |
835 | @@ -198,6 +215,9 @@ static struct platform_driver iproc_mdio_driver = { |
836 | .driver = { |
837 | .name = "iproc-mdio", |
838 | .of_match_table = iproc_mdio_of_match, |
839 | +#ifdef CONFIG_PM_SLEEP |
840 | + .pm = &iproc_mdio_pm_ops, |
841 | +#endif |
842 | }, |
843 | .probe = iproc_mdio_probe, |
844 | .remove = iproc_mdio_remove, |
845 | diff --git a/drivers/net/slip/slip.c b/drivers/net/slip/slip.c |
846 | index 2af09c3851a5..cc841126147e 100644 |
847 | --- a/drivers/net/slip/slip.c |
848 | +++ b/drivers/net/slip/slip.c |
849 | @@ -868,7 +868,6 @@ err_free_chan: |
850 | tty->disc_data = NULL; |
851 | clear_bit(SLF_INUSE, &sl->flags); |
852 | sl_free_netdev(sl->dev); |
853 | - free_netdev(sl->dev); |
854 | |
855 | err_exit: |
856 | rtnl_unlock(); |
857 | diff --git a/drivers/net/tun.c b/drivers/net/tun.c |
858 | index 17be1f6a813f..44b16d945e33 100644 |
859 | --- a/drivers/net/tun.c |
860 | +++ b/drivers/net/tun.c |
861 | @@ -1106,6 +1106,13 @@ static void tun_net_init(struct net_device *dev) |
862 | } |
863 | } |
864 | |
865 | +static bool tun_sock_writeable(struct tun_struct *tun, struct tun_file *tfile) |
866 | +{ |
867 | + struct sock *sk = tfile->socket.sk; |
868 | + |
869 | + return (tun->dev->flags & IFF_UP) && sock_writeable(sk); |
870 | +} |
871 | + |
872 | /* Character device part */ |
873 | |
874 | /* Poll */ |
875 | @@ -1128,10 +1135,14 @@ static unsigned int tun_chr_poll(struct file *file, poll_table *wait) |
876 | if (!skb_array_empty(&tfile->tx_array)) |
877 | mask |= POLLIN | POLLRDNORM; |
878 | |
879 | - if (tun->dev->flags & IFF_UP && |
880 | - (sock_writeable(sk) || |
881 | - (!test_and_set_bit(SOCKWQ_ASYNC_NOSPACE, &sk->sk_socket->flags) && |
882 | - sock_writeable(sk)))) |
883 | + /* Make sure SOCKWQ_ASYNC_NOSPACE is set if not writable to |
884 | + * guarantee EPOLLOUT to be raised by either here or |
885 | + * tun_sock_write_space(). Then process could get notification |
886 | + * after it writes to a down device and meets -EIO. |
887 | + */ |
888 | + if (tun_sock_writeable(tun, tfile) || |
889 | + (!test_and_set_bit(SOCKWQ_ASYNC_NOSPACE, &sk->sk_socket->flags) && |
890 | + tun_sock_writeable(tun, tfile))) |
891 | mask |= POLLOUT | POLLWRNORM; |
892 | |
893 | if (tun->dev->reg_state != NETREG_REGISTERED) |
894 | diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c |
895 | index de7b431fdd6b..97f6b8130db3 100644 |
896 | --- a/drivers/net/usb/qmi_wwan.c |
897 | +++ b/drivers/net/usb/qmi_wwan.c |
898 | @@ -951,6 +951,7 @@ static const struct usb_device_id products[] = { |
899 | {QMI_FIXED_INTF(0x413c, 0x81b6, 8)}, /* Dell Wireless 5811e */ |
900 | {QMI_FIXED_INTF(0x413c, 0x81b6, 10)}, /* Dell Wireless 5811e */ |
901 | {QMI_FIXED_INTF(0x413c, 0x81d7, 0)}, /* Dell Wireless 5821e */ |
902 | + {QMI_FIXED_INTF(0x413c, 0x81d7, 1)}, /* Dell Wireless 5821e preproduction config */ |
903 | {QMI_FIXED_INTF(0x413c, 0x81e0, 0)}, /* Dell Wireless 5821e with eSIM support*/ |
904 | {QMI_FIXED_INTF(0x03f0, 0x4e1d, 8)}, /* HP lt4111 LTE/EV-DO/HSPA+ Gobi 4G Module */ |
905 | {QMI_FIXED_INTF(0x03f0, 0x9d1d, 1)}, /* HP lt4120 Snapdragon X5 LTE */ |
906 | diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/rx.c b/drivers/net/wireless/intel/iwlwifi/pcie/rx.c |
907 | index a2ebe46bcfc5..395bbe2c0f98 100644 |
908 | --- a/drivers/net/wireless/intel/iwlwifi/pcie/rx.c |
909 | +++ b/drivers/net/wireless/intel/iwlwifi/pcie/rx.c |
910 | @@ -898,9 +898,13 @@ int iwl_pcie_rx_init(struct iwl_trans *trans) |
911 | return err; |
912 | } |
913 | def_rxq = trans_pcie->rxq; |
914 | - if (!rba->alloc_wq) |
915 | + if (!rba->alloc_wq) { |
916 | rba->alloc_wq = alloc_workqueue("rb_allocator", |
917 | WQ_HIGHPRI | WQ_UNBOUND, 1); |
918 | + if (!rba->alloc_wq) |
919 | + return -ENOMEM; |
920 | + } |
921 | + |
922 | INIT_WORK(&rba->rx_alloc, iwl_pcie_rx_allocator_work); |
923 | |
924 | cancel_work_sync(&rba->rx_alloc); |
925 | diff --git a/drivers/nfc/pn544/i2c.c b/drivers/nfc/pn544/i2c.c |
926 | index f837c39a8017..0f6905123b0a 100644 |
927 | --- a/drivers/nfc/pn544/i2c.c |
928 | +++ b/drivers/nfc/pn544/i2c.c |
929 | @@ -240,6 +240,7 @@ static void pn544_hci_i2c_platform_init(struct pn544_i2c_phy *phy) |
930 | |
931 | out: |
932 | gpio_set_value_cansleep(phy->gpio_en, !phy->en_polarity); |
933 | + usleep_range(10000, 15000); |
934 | } |
935 | |
936 | static void pn544_hci_i2c_enable_mode(struct pn544_i2c_phy *phy, int run_mode) |
937 | diff --git a/drivers/s390/cio/blacklist.c b/drivers/s390/cio/blacklist.c |
938 | index 9082476b51db..4e9f794176d3 100644 |
939 | --- a/drivers/s390/cio/blacklist.c |
940 | +++ b/drivers/s390/cio/blacklist.c |
941 | @@ -302,8 +302,10 @@ static void * |
942 | cio_ignore_proc_seq_next(struct seq_file *s, void *it, loff_t *offset) |
943 | { |
944 | struct ccwdev_iter *iter; |
945 | + loff_t p = *offset; |
946 | |
947 | - if (*offset >= (__MAX_SUBCHANNEL + 1) * (__MAX_SSID + 1)) |
948 | + (*offset)++; |
949 | + if (p >= (__MAX_SUBCHANNEL + 1) * (__MAX_SSID + 1)) |
950 | return NULL; |
951 | iter = it; |
952 | if (iter->devno == __MAX_SUBCHANNEL) { |
953 | @@ -313,7 +315,6 @@ cio_ignore_proc_seq_next(struct seq_file *s, void *it, loff_t *offset) |
954 | return NULL; |
955 | } else |
956 | iter->devno++; |
957 | - (*offset)++; |
958 | return iter; |
959 | } |
960 | |
961 | diff --git a/drivers/tty/serial/8250/8250_core.c b/drivers/tty/serial/8250/8250_core.c |
962 | index e8819aa20415..c4e9eba36023 100644 |
963 | --- a/drivers/tty/serial/8250/8250_core.c |
964 | +++ b/drivers/tty/serial/8250/8250_core.c |
965 | @@ -181,7 +181,7 @@ static int serial_link_irq_chain(struct uart_8250_port *up) |
966 | struct hlist_head *h; |
967 | struct hlist_node *n; |
968 | struct irq_info *i; |
969 | - int ret, irq_flags = up->port.flags & UPF_SHARE_IRQ ? IRQF_SHARED : 0; |
970 | + int ret; |
971 | |
972 | mutex_lock(&hash_mutex); |
973 | |
974 | @@ -216,9 +216,8 @@ static int serial_link_irq_chain(struct uart_8250_port *up) |
975 | INIT_LIST_HEAD(&up->list); |
976 | i->head = &up->list; |
977 | spin_unlock_irq(&i->lock); |
978 | - irq_flags |= up->port.irqflags; |
979 | ret = request_irq(up->port.irq, serial8250_interrupt, |
980 | - irq_flags, "serial", i); |
981 | + up->port.irqflags, "serial", i); |
982 | if (ret < 0) |
983 | serial_do_unlink(i, up); |
984 | } |
985 | diff --git a/drivers/tty/serial/8250/8250_port.c b/drivers/tty/serial/8250/8250_port.c |
986 | index 8f1233324586..c7a7574172fa 100644 |
987 | --- a/drivers/tty/serial/8250/8250_port.c |
988 | +++ b/drivers/tty/serial/8250/8250_port.c |
989 | @@ -2199,6 +2199,10 @@ int serial8250_do_startup(struct uart_port *port) |
990 | } |
991 | } |
992 | |
993 | + /* Check if we need to have shared IRQs */ |
994 | + if (port->irq && (up->port.flags & UPF_SHARE_IRQ)) |
995 | + up->port.irqflags |= IRQF_SHARED; |
996 | + |
997 | if (port->irq) { |
998 | unsigned char iir1; |
999 | /* |
1000 | diff --git a/drivers/tty/serial/ar933x_uart.c b/drivers/tty/serial/ar933x_uart.c |
1001 | index d4462512605b..246f4aab7407 100644 |
1002 | --- a/drivers/tty/serial/ar933x_uart.c |
1003 | +++ b/drivers/tty/serial/ar933x_uart.c |
1004 | @@ -289,6 +289,10 @@ static void ar933x_uart_set_termios(struct uart_port *port, |
1005 | ar933x_uart_rmw_set(up, AR933X_UART_CS_REG, |
1006 | AR933X_UART_CS_HOST_INT_EN); |
1007 | |
1008 | + /* enable RX and TX ready overide */ |
1009 | + ar933x_uart_rmw_set(up, AR933X_UART_CS_REG, |
1010 | + AR933X_UART_CS_TX_READY_ORIDE | AR933X_UART_CS_RX_READY_ORIDE); |
1011 | + |
1012 | /* reenable the UART */ |
1013 | ar933x_uart_rmw(up, AR933X_UART_CS_REG, |
1014 | AR933X_UART_CS_IF_MODE_M << AR933X_UART_CS_IF_MODE_S, |
1015 | @@ -421,6 +425,10 @@ static int ar933x_uart_startup(struct uart_port *port) |
1016 | ar933x_uart_rmw_set(up, AR933X_UART_CS_REG, |
1017 | AR933X_UART_CS_HOST_INT_EN); |
1018 | |
1019 | + /* enable RX and TX ready overide */ |
1020 | + ar933x_uart_rmw_set(up, AR933X_UART_CS_REG, |
1021 | + AR933X_UART_CS_TX_READY_ORIDE | AR933X_UART_CS_RX_READY_ORIDE); |
1022 | + |
1023 | /* Enable RX interrupts */ |
1024 | up->ier = AR933X_UART_INT_RX_VALID; |
1025 | ar933x_uart_write(up, AR933X_UART_INT_EN_REG, up->ier); |
1026 | diff --git a/drivers/tty/serial/mvebu-uart.c b/drivers/tty/serial/mvebu-uart.c |
1027 | index 401c983ec5f3..a10e4aa9e18e 100644 |
1028 | --- a/drivers/tty/serial/mvebu-uart.c |
1029 | +++ b/drivers/tty/serial/mvebu-uart.c |
1030 | @@ -581,7 +581,7 @@ static int mvebu_uart_probe(struct platform_device *pdev) |
1031 | |
1032 | port->membase = devm_ioremap_resource(&pdev->dev, reg); |
1033 | if (IS_ERR(port->membase)) |
1034 | - return -PTR_ERR(port->membase); |
1035 | + return PTR_ERR(port->membase); |
1036 | |
1037 | data = devm_kzalloc(&pdev->dev, sizeof(struct mvebu_uart_data), |
1038 | GFP_KERNEL); |
1039 | diff --git a/drivers/tty/sysrq.c b/drivers/tty/sysrq.c |
1040 | index 53cbf4ebef10..b6ff01131eef 100644 |
1041 | --- a/drivers/tty/sysrq.c |
1042 | +++ b/drivers/tty/sysrq.c |
1043 | @@ -543,7 +543,6 @@ void __handle_sysrq(int key, bool check_mask) |
1044 | */ |
1045 | orig_log_level = console_loglevel; |
1046 | console_loglevel = CONSOLE_LOGLEVEL_DEFAULT; |
1047 | - pr_info("SysRq : "); |
1048 | |
1049 | op_p = __sysrq_get_key_op(key); |
1050 | if (op_p) { |
1051 | @@ -552,14 +551,15 @@ void __handle_sysrq(int key, bool check_mask) |
1052 | * should not) and is the invoked operation enabled? |
1053 | */ |
1054 | if (!check_mask || sysrq_on_mask(op_p->enable_mask)) { |
1055 | - pr_cont("%s\n", op_p->action_msg); |
1056 | + pr_info("%s\n", op_p->action_msg); |
1057 | console_loglevel = orig_log_level; |
1058 | op_p->handler(key); |
1059 | } else { |
1060 | - pr_cont("This sysrq operation is disabled.\n"); |
1061 | + pr_info("This sysrq operation is disabled.\n"); |
1062 | + console_loglevel = orig_log_level; |
1063 | } |
1064 | } else { |
1065 | - pr_cont("HELP : "); |
1066 | + pr_info("HELP : "); |
1067 | /* Only print the help msg once per handler */ |
1068 | for (i = 0; i < ARRAY_SIZE(sysrq_key_table); i++) { |
1069 | if (sysrq_key_table[i]) { |
1070 | diff --git a/drivers/tty/vt/selection.c b/drivers/tty/vt/selection.c |
1071 | index 6ac05021c4a7..1edc1a36db4a 100644 |
1072 | --- a/drivers/tty/vt/selection.c |
1073 | +++ b/drivers/tty/vt/selection.c |
1074 | @@ -13,6 +13,7 @@ |
1075 | #include <linux/tty.h> |
1076 | #include <linux/sched.h> |
1077 | #include <linux/mm.h> |
1078 | +#include <linux/mutex.h> |
1079 | #include <linux/slab.h> |
1080 | #include <linux/types.h> |
1081 | |
1082 | @@ -40,6 +41,7 @@ static volatile int sel_start = -1; /* cleared by clear_selection */ |
1083 | static int sel_end; |
1084 | static int sel_buffer_lth; |
1085 | static char *sel_buffer; |
1086 | +static DEFINE_MUTEX(sel_lock); |
1087 | |
1088 | /* clear_selection, highlight and highlight_pointer can be called |
1089 | from interrupt (via scrollback/front) */ |
1090 | @@ -156,14 +158,14 @@ static int store_utf8(u16 c, char *p) |
1091 | * The entire selection process is managed under the console_lock. It's |
1092 | * a lot under the lock but its hardly a performance path |
1093 | */ |
1094 | -int set_selection(const struct tiocl_selection __user *sel, struct tty_struct *tty) |
1095 | +static int __set_selection(const struct tiocl_selection __user *sel, struct tty_struct *tty) |
1096 | { |
1097 | struct vc_data *vc = vc_cons[fg_console].d; |
1098 | int sel_mode, new_sel_start, new_sel_end, spc; |
1099 | char *bp, *obp; |
1100 | int i, ps, pe, multiplier; |
1101 | u16 c; |
1102 | - int mode; |
1103 | + int mode, ret = 0; |
1104 | |
1105 | poke_blanked_console(); |
1106 | |
1107 | @@ -324,7 +326,21 @@ int set_selection(const struct tiocl_selection __user *sel, struct tty_struct *t |
1108 | } |
1109 | } |
1110 | sel_buffer_lth = bp - sel_buffer; |
1111 | - return 0; |
1112 | + |
1113 | + return ret; |
1114 | +} |
1115 | + |
1116 | +int set_selection(const struct tiocl_selection __user *v, struct tty_struct *tty) |
1117 | +{ |
1118 | + int ret; |
1119 | + |
1120 | + mutex_lock(&sel_lock); |
1121 | + console_lock(); |
1122 | + ret = __set_selection(v, tty); |
1123 | + console_unlock(); |
1124 | + mutex_unlock(&sel_lock); |
1125 | + |
1126 | + return ret; |
1127 | } |
1128 | |
1129 | /* Insert the contents of the selection buffer into the |
1130 | @@ -353,6 +369,7 @@ int paste_selection(struct tty_struct *tty) |
1131 | tty_buffer_lock_exclusive(&vc->port); |
1132 | |
1133 | add_wait_queue(&vc->paste_wait, &wait); |
1134 | + mutex_lock(&sel_lock); |
1135 | while (sel_buffer && sel_buffer_lth > pasted) { |
1136 | set_current_state(TASK_INTERRUPTIBLE); |
1137 | if (signal_pending(current)) { |
1138 | @@ -360,7 +377,9 @@ int paste_selection(struct tty_struct *tty) |
1139 | break; |
1140 | } |
1141 | if (tty_throttled(tty)) { |
1142 | + mutex_unlock(&sel_lock); |
1143 | schedule(); |
1144 | + mutex_lock(&sel_lock); |
1145 | continue; |
1146 | } |
1147 | __set_current_state(TASK_RUNNING); |
1148 | @@ -369,6 +388,7 @@ int paste_selection(struct tty_struct *tty) |
1149 | count); |
1150 | pasted += count; |
1151 | } |
1152 | + mutex_unlock(&sel_lock); |
1153 | remove_wait_queue(&vc->paste_wait, &wait); |
1154 | __set_current_state(TASK_RUNNING); |
1155 | |
1156 | diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c |
1157 | index 232cb0a760b9..c1d3b685a587 100644 |
1158 | --- a/drivers/tty/vt/vt.c |
1159 | +++ b/drivers/tty/vt/vt.c |
1160 | @@ -2690,9 +2690,7 @@ int tioclinux(struct tty_struct *tty, unsigned long arg) |
1161 | switch (type) |
1162 | { |
1163 | case TIOCL_SETSEL: |
1164 | - console_lock(); |
1165 | ret = set_selection((struct tiocl_selection __user *)(p+1), tty); |
1166 | - console_unlock(); |
1167 | break; |
1168 | case TIOCL_PASTESEL: |
1169 | ret = paste_selection(tty); |
1170 | diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c |
1171 | index 3fcc3e74ae2e..c958cf42a1bb 100644 |
1172 | --- a/drivers/usb/core/hub.c |
1173 | +++ b/drivers/usb/core/hub.c |
1174 | @@ -954,13 +954,17 @@ int usb_remove_device(struct usb_device *udev) |
1175 | { |
1176 | struct usb_hub *hub; |
1177 | struct usb_interface *intf; |
1178 | + int ret; |
1179 | |
1180 | if (!udev->parent) /* Can't remove a root hub */ |
1181 | return -EINVAL; |
1182 | hub = usb_hub_to_struct_hub(udev->parent); |
1183 | intf = to_usb_interface(hub->intfdev); |
1184 | |
1185 | - usb_autopm_get_interface(intf); |
1186 | + ret = usb_autopm_get_interface(intf); |
1187 | + if (ret < 0) |
1188 | + return ret; |
1189 | + |
1190 | set_bit(udev->portnum, hub->removed_bits); |
1191 | hub_port_logical_disconnect(hub, udev->portnum); |
1192 | usb_autopm_put_interface(intf); |
1193 | diff --git a/drivers/usb/core/port.c b/drivers/usb/core/port.c |
1194 | index 460c855be0d0..53c1f6e604b1 100644 |
1195 | --- a/drivers/usb/core/port.c |
1196 | +++ b/drivers/usb/core/port.c |
1197 | @@ -179,7 +179,10 @@ static int usb_port_runtime_resume(struct device *dev) |
1198 | if (!port_dev->is_superspeed && peer) |
1199 | pm_runtime_get_sync(&peer->dev); |
1200 | |
1201 | - usb_autopm_get_interface(intf); |
1202 | + retval = usb_autopm_get_interface(intf); |
1203 | + if (retval < 0) |
1204 | + return retval; |
1205 | + |
1206 | retval = usb_hub_set_port_power(hdev, hub, port1, true); |
1207 | msleep(hub_power_on_good_delay(hub)); |
1208 | if (udev && !retval) { |
1209 | @@ -232,7 +235,10 @@ static int usb_port_runtime_suspend(struct device *dev) |
1210 | if (usb_port_block_power_off) |
1211 | return -EBUSY; |
1212 | |
1213 | - usb_autopm_get_interface(intf); |
1214 | + retval = usb_autopm_get_interface(intf); |
1215 | + if (retval < 0) |
1216 | + return retval; |
1217 | + |
1218 | retval = usb_hub_set_port_power(hdev, hub, port1, false); |
1219 | usb_clear_port_feature(hdev, port1, USB_PORT_FEAT_C_CONNECTION); |
1220 | if (!port_dev->is_superspeed) |
1221 | diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c |
1222 | index ad8307140df8..64c03e871f2d 100644 |
1223 | --- a/drivers/usb/core/quirks.c |
1224 | +++ b/drivers/usb/core/quirks.c |
1225 | @@ -86,6 +86,9 @@ static const struct usb_device_id usb_quirk_list[] = { |
1226 | /* Logitech PTZ Pro Camera */ |
1227 | { USB_DEVICE(0x046d, 0x0853), .driver_info = USB_QUIRK_DELAY_INIT }, |
1228 | |
1229 | + /* Logitech Screen Share */ |
1230 | + { USB_DEVICE(0x046d, 0x086c), .driver_info = USB_QUIRK_NO_LPM }, |
1231 | + |
1232 | /* Logitech Quickcam Fusion */ |
1233 | { USB_DEVICE(0x046d, 0x08c1), .driver_info = USB_QUIRK_RESET_RESUME }, |
1234 | |
1235 | diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c |
1236 | index 4d7df2f6caf5..3a0452ff1a56 100644 |
1237 | --- a/drivers/usb/gadget/composite.c |
1238 | +++ b/drivers/usb/gadget/composite.c |
1239 | @@ -438,9 +438,13 @@ static u8 encode_bMaxPower(enum usb_device_speed speed, |
1240 | if (!val) |
1241 | return 0; |
1242 | if (speed < USB_SPEED_SUPER) |
1243 | - return DIV_ROUND_UP(val, 2); |
1244 | + return min(val, 500U) / 2; |
1245 | else |
1246 | - return DIV_ROUND_UP(val, 8); |
1247 | + /* |
1248 | + * USB 3.x supports up to 900mA, but since 900 isn't divisible |
1249 | + * by 8 the integral division will effectively cap to 896mA. |
1250 | + */ |
1251 | + return min(val, 900U) / 8; |
1252 | } |
1253 | |
1254 | static int config_buf(struct usb_configuration *config, |
1255 | @@ -833,6 +837,10 @@ static int set_config(struct usb_composite_dev *cdev, |
1256 | |
1257 | /* when we return, be sure our power usage is valid */ |
1258 | power = c->MaxPower ? c->MaxPower : CONFIG_USB_GADGET_VBUS_DRAW; |
1259 | + if (gadget->speed < USB_SPEED_SUPER) |
1260 | + power = min(power, 500U); |
1261 | + else |
1262 | + power = min(power, 900U); |
1263 | done: |
1264 | usb_gadget_vbus_draw(gadget, power); |
1265 | if (result >= 0 && cdev->delayed_status) |
1266 | @@ -2272,7 +2280,7 @@ void composite_resume(struct usb_gadget *gadget) |
1267 | { |
1268 | struct usb_composite_dev *cdev = get_gadget_data(gadget); |
1269 | struct usb_function *f; |
1270 | - u16 maxpower; |
1271 | + unsigned maxpower; |
1272 | |
1273 | /* REVISIT: should we have config level |
1274 | * suspend/resume callbacks? |
1275 | @@ -2286,10 +2294,14 @@ void composite_resume(struct usb_gadget *gadget) |
1276 | f->resume(f); |
1277 | } |
1278 | |
1279 | - maxpower = cdev->config->MaxPower; |
1280 | + maxpower = cdev->config->MaxPower ? |
1281 | + cdev->config->MaxPower : CONFIG_USB_GADGET_VBUS_DRAW; |
1282 | + if (gadget->speed < USB_SPEED_SUPER) |
1283 | + maxpower = min(maxpower, 500U); |
1284 | + else |
1285 | + maxpower = min(maxpower, 900U); |
1286 | |
1287 | - usb_gadget_vbus_draw(gadget, maxpower ? |
1288 | - maxpower : CONFIG_USB_GADGET_VBUS_DRAW); |
1289 | + usb_gadget_vbus_draw(gadget, maxpower); |
1290 | } |
1291 | |
1292 | cdev->suspended = 0; |
1293 | diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c |
1294 | index d1278d2d544b..b5747f1270a6 100644 |
1295 | --- a/drivers/usb/gadget/function/f_fs.c |
1296 | +++ b/drivers/usb/gadget/function/f_fs.c |
1297 | @@ -1077,18 +1077,19 @@ static int ffs_aio_cancel(struct kiocb *kiocb) |
1298 | { |
1299 | struct ffs_io_data *io_data = kiocb->private; |
1300 | struct ffs_epfile *epfile = kiocb->ki_filp->private_data; |
1301 | + unsigned long flags; |
1302 | int value; |
1303 | |
1304 | ENTER(); |
1305 | |
1306 | - spin_lock_irq(&epfile->ffs->eps_lock); |
1307 | + spin_lock_irqsave(&epfile->ffs->eps_lock, flags); |
1308 | |
1309 | if (likely(io_data && io_data->ep && io_data->req)) |
1310 | value = usb_ep_dequeue(io_data->ep, io_data->req); |
1311 | else |
1312 | value = -EINVAL; |
1313 | |
1314 | - spin_unlock_irq(&epfile->ffs->eps_lock); |
1315 | + spin_unlock_irqrestore(&epfile->ffs->eps_lock, flags); |
1316 | |
1317 | return value; |
1318 | } |
1319 | diff --git a/drivers/usb/gadget/function/u_serial.c b/drivers/usb/gadget/function/u_serial.c |
1320 | index 510a54f88963..5d7d0f2e80a5 100644 |
1321 | --- a/drivers/usb/gadget/function/u_serial.c |
1322 | +++ b/drivers/usb/gadget/function/u_serial.c |
1323 | @@ -715,8 +715,10 @@ static int gs_start_io(struct gs_port *port) |
1324 | port->n_read = 0; |
1325 | started = gs_start_rx(port); |
1326 | |
1327 | - /* unblock any pending writes into our circular buffer */ |
1328 | if (started) { |
1329 | + gs_start_tx(port); |
1330 | + /* Unblock any pending writes into our circular buffer, in case |
1331 | + * we didn't in gs_start_tx() */ |
1332 | tty_wakeup(port->port.tty); |
1333 | } else { |
1334 | gs_free_requests(ep, head, &port->read_allocated); |
1335 | diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h |
1336 | index 3ebf6307217c..a52ae34fb1c3 100644 |
1337 | --- a/drivers/usb/storage/unusual_devs.h |
1338 | +++ b/drivers/usb/storage/unusual_devs.h |
1339 | @@ -1277,6 +1277,12 @@ UNUSUAL_DEV( 0x090a, 0x1200, 0x0000, 0x9999, |
1340 | USB_SC_RBC, USB_PR_BULK, NULL, |
1341 | 0 ), |
1342 | |
1343 | +UNUSUAL_DEV(0x090c, 0x1000, 0x1100, 0x1100, |
1344 | + "Samsung", |
1345 | + "Flash Drive FIT", |
1346 | + USB_SC_DEVICE, USB_PR_DEVICE, NULL, |
1347 | + US_FL_MAX_SECTORS_64), |
1348 | + |
1349 | /* aeb */ |
1350 | UNUSUAL_DEV( 0x090c, 0x1132, 0x0000, 0xffff, |
1351 | "Feiya", |
1352 | diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c |
1353 | index dd8798bf88e7..861f43f8f9ce 100644 |
1354 | --- a/drivers/vhost/net.c |
1355 | +++ b/drivers/vhost/net.c |
1356 | @@ -914,11 +914,7 @@ static int vhost_net_release(struct inode *inode, struct file *f) |
1357 | |
1358 | static struct socket *get_raw_socket(int fd) |
1359 | { |
1360 | - struct { |
1361 | - struct sockaddr_ll sa; |
1362 | - char buf[MAX_ADDR_LEN]; |
1363 | - } uaddr; |
1364 | - int uaddr_len = sizeof uaddr, r; |
1365 | + int r; |
1366 | struct socket *sock = sockfd_lookup(fd, &r); |
1367 | |
1368 | if (!sock) |
1369 | @@ -930,12 +926,7 @@ static struct socket *get_raw_socket(int fd) |
1370 | goto err; |
1371 | } |
1372 | |
1373 | - r = sock->ops->getname(sock, (struct sockaddr *)&uaddr.sa, |
1374 | - &uaddr_len, 0); |
1375 | - if (r) |
1376 | - goto err; |
1377 | - |
1378 | - if (uaddr.sa.sll_family != AF_PACKET) { |
1379 | + if (sock->sk->sk_family != AF_PACKET) { |
1380 | r = -EPFNOSUPPORT; |
1381 | goto err; |
1382 | } |
1383 | diff --git a/drivers/video/console/vgacon.c b/drivers/video/console/vgacon.c |
1384 | index dda1c4b3a229..42c0a26646f6 100644 |
1385 | --- a/drivers/video/console/vgacon.c |
1386 | +++ b/drivers/video/console/vgacon.c |
1387 | @@ -1323,6 +1323,9 @@ static int vgacon_font_get(struct vc_data *c, struct console_font *font) |
1388 | static int vgacon_resize(struct vc_data *c, unsigned int width, |
1389 | unsigned int height, unsigned int user) |
1390 | { |
1391 | + if ((width << 1) * height > vga_vram_size) |
1392 | + return -EINVAL; |
1393 | + |
1394 | if (width % 2 || width > screen_info.orig_video_cols || |
1395 | height > (screen_info.orig_video_lines * vga_default_font_height)/ |
1396 | c->vc_font.height) |
1397 | diff --git a/drivers/watchdog/da9062_wdt.c b/drivers/watchdog/da9062_wdt.c |
1398 | index 7386111220d5..daeb645fcea8 100644 |
1399 | --- a/drivers/watchdog/da9062_wdt.c |
1400 | +++ b/drivers/watchdog/da9062_wdt.c |
1401 | @@ -126,13 +126,6 @@ static int da9062_wdt_stop(struct watchdog_device *wdd) |
1402 | struct da9062_watchdog *wdt = watchdog_get_drvdata(wdd); |
1403 | int ret; |
1404 | |
1405 | - ret = da9062_reset_watchdog_timer(wdt); |
1406 | - if (ret) { |
1407 | - dev_err(wdt->hw->dev, "Failed to ping the watchdog (err = %d)\n", |
1408 | - ret); |
1409 | - return ret; |
1410 | - } |
1411 | - |
1412 | ret = regmap_update_bits(wdt->hw->regmap, |
1413 | DA9062AA_CONTROL_D, |
1414 | DA9062AA_TWDSCALE_MASK, |
1415 | diff --git a/drivers/watchdog/wdat_wdt.c b/drivers/watchdog/wdat_wdt.c |
1416 | index 0da9943d405f..c310e841561c 100644 |
1417 | --- a/drivers/watchdog/wdat_wdt.c |
1418 | +++ b/drivers/watchdog/wdat_wdt.c |
1419 | @@ -392,7 +392,7 @@ static int wdat_wdt_probe(struct platform_device *pdev) |
1420 | |
1421 | memset(&r, 0, sizeof(r)); |
1422 | r.start = gas->address; |
1423 | - r.end = r.start + gas->access_width - 1; |
1424 | + r.end = r.start + ACPI_ACCESS_BYTE_WIDTH(gas->access_width) - 1; |
1425 | if (gas->space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) { |
1426 | r.flags = IORESOURCE_MEM; |
1427 | } else if (gas->space_id == ACPI_ADR_SPACE_SYSTEM_IO) { |
1428 | diff --git a/fs/cifs/cifsacl.c b/fs/cifs/cifsacl.c |
1429 | index 15bac390dff9..10aedc2a4c2d 100644 |
1430 | --- a/fs/cifs/cifsacl.c |
1431 | +++ b/fs/cifs/cifsacl.c |
1432 | @@ -603,7 +603,7 @@ static void access_flags_to_mode(__le32 ace_flags, int type, umode_t *pmode, |
1433 | ((flags & FILE_EXEC_RIGHTS) == FILE_EXEC_RIGHTS)) |
1434 | *pmode |= (S_IXUGO & (*pbits_to_set)); |
1435 | |
1436 | - cifs_dbg(NOISY, "access flags 0x%x mode now 0x%x\n", flags, *pmode); |
1437 | + cifs_dbg(NOISY, "access flags 0x%x mode now %04o\n", flags, *pmode); |
1438 | return; |
1439 | } |
1440 | |
1441 | @@ -632,7 +632,7 @@ static void mode_to_access_flags(umode_t mode, umode_t bits_to_use, |
1442 | if (mode & S_IXUGO) |
1443 | *pace_flags |= SET_FILE_EXEC_RIGHTS; |
1444 | |
1445 | - cifs_dbg(NOISY, "mode: 0x%x, access flags now 0x%x\n", |
1446 | + cifs_dbg(NOISY, "mode: %04o, access flags now 0x%x\n", |
1447 | mode, *pace_flags); |
1448 | return; |
1449 | } |
1450 | diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c |
1451 | index 961fcb40183a..f2707ff795d4 100644 |
1452 | --- a/fs/cifs/connect.c |
1453 | +++ b/fs/cifs/connect.c |
1454 | @@ -3401,7 +3401,7 @@ int cifs_setup_cifs_sb(struct smb_vol *pvolume_info, |
1455 | cifs_sb->mnt_gid = pvolume_info->linux_gid; |
1456 | cifs_sb->mnt_file_mode = pvolume_info->file_mode; |
1457 | cifs_sb->mnt_dir_mode = pvolume_info->dir_mode; |
1458 | - cifs_dbg(FYI, "file mode: 0x%hx dir mode: 0x%hx\n", |
1459 | + cifs_dbg(FYI, "file mode: %04ho dir mode: %04ho\n", |
1460 | cifs_sb->mnt_file_mode, cifs_sb->mnt_dir_mode); |
1461 | |
1462 | cifs_sb->actimeo = pvolume_info->actimeo; |
1463 | diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c |
1464 | index b1c0961e6b3f..dfa85ad5b481 100644 |
1465 | --- a/fs/cifs/inode.c |
1466 | +++ b/fs/cifs/inode.c |
1467 | @@ -1573,7 +1573,7 @@ int cifs_mkdir(struct inode *inode, struct dentry *direntry, umode_t mode) |
1468 | struct TCP_Server_Info *server; |
1469 | char *full_path; |
1470 | |
1471 | - cifs_dbg(FYI, "In cifs_mkdir, mode = 0x%hx inode = 0x%p\n", |
1472 | + cifs_dbg(FYI, "In cifs_mkdir, mode = %04ho inode = 0x%p\n", |
1473 | mode, inode); |
1474 | |
1475 | cifs_sb = CIFS_SB(inode->i_sb); |
1476 | @@ -1990,6 +1990,7 @@ int cifs_revalidate_dentry_attr(struct dentry *dentry) |
1477 | struct inode *inode = d_inode(dentry); |
1478 | struct super_block *sb = dentry->d_sb; |
1479 | char *full_path = NULL; |
1480 | + int count = 0; |
1481 | |
1482 | if (inode == NULL) |
1483 | return -ENOENT; |
1484 | @@ -2011,15 +2012,18 @@ int cifs_revalidate_dentry_attr(struct dentry *dentry) |
1485 | full_path, inode, inode->i_count.counter, |
1486 | dentry, cifs_get_time(dentry), jiffies); |
1487 | |
1488 | +again: |
1489 | if (cifs_sb_master_tcon(CIFS_SB(sb))->unix_ext) |
1490 | rc = cifs_get_inode_info_unix(&inode, full_path, sb, xid); |
1491 | else |
1492 | rc = cifs_get_inode_info(&inode, full_path, NULL, sb, |
1493 | xid, NULL); |
1494 | - |
1495 | + if (rc == -EAGAIN && count++ < 10) |
1496 | + goto again; |
1497 | out: |
1498 | kfree(full_path); |
1499 | free_xid(xid); |
1500 | + |
1501 | return rc; |
1502 | } |
1503 | |
1504 | diff --git a/fs/ecryptfs/keystore.c b/fs/ecryptfs/keystore.c |
1505 | index 3f3ec50bf773..b134315fb69d 100644 |
1506 | --- a/fs/ecryptfs/keystore.c |
1507 | +++ b/fs/ecryptfs/keystore.c |
1508 | @@ -1285,7 +1285,7 @@ parse_tag_1_packet(struct ecryptfs_crypt_stat *crypt_stat, |
1509 | printk(KERN_ERR "Enter w/ first byte != 0x%.2x\n", |
1510 | ECRYPTFS_TAG_1_PACKET_TYPE); |
1511 | rc = -EINVAL; |
1512 | - goto out_free; |
1513 | + goto out; |
1514 | } |
1515 | /* Released: wipe_auth_tok_list called in ecryptfs_parse_packet_set or |
1516 | * at end of function upon failure */ |
1517 | @@ -1335,7 +1335,7 @@ parse_tag_1_packet(struct ecryptfs_crypt_stat *crypt_stat, |
1518 | printk(KERN_WARNING "Tag 1 packet contains key larger " |
1519 | "than ECRYPTFS_MAX_ENCRYPTED_KEY_BYTES"); |
1520 | rc = -EINVAL; |
1521 | - goto out; |
1522 | + goto out_free; |
1523 | } |
1524 | memcpy((*new_auth_tok)->session_key.encrypted_key, |
1525 | &data[(*packet_size)], (body_size - (ECRYPTFS_SIG_SIZE + 2))); |
1526 | diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c |
1527 | index 2455fe1446d6..de601f3c023d 100644 |
1528 | --- a/fs/ext4/balloc.c |
1529 | +++ b/fs/ext4/balloc.c |
1530 | @@ -279,6 +279,7 @@ struct ext4_group_desc * ext4_get_group_desc(struct super_block *sb, |
1531 | ext4_group_t ngroups = ext4_get_groups_count(sb); |
1532 | struct ext4_group_desc *desc; |
1533 | struct ext4_sb_info *sbi = EXT4_SB(sb); |
1534 | + struct buffer_head *bh_p; |
1535 | |
1536 | if (block_group >= ngroups) { |
1537 | ext4_error(sb, "block_group >= groups_count - block_group = %u," |
1538 | @@ -289,7 +290,14 @@ struct ext4_group_desc * ext4_get_group_desc(struct super_block *sb, |
1539 | |
1540 | group_desc = block_group >> EXT4_DESC_PER_BLOCK_BITS(sb); |
1541 | offset = block_group & (EXT4_DESC_PER_BLOCK(sb) - 1); |
1542 | - if (!sbi->s_group_desc[group_desc]) { |
1543 | + bh_p = sbi_array_rcu_deref(sbi, s_group_desc, group_desc); |
1544 | + /* |
1545 | + * sbi_array_rcu_deref returns with rcu unlocked, this is ok since |
1546 | + * the pointer being dereferenced won't be dereferenced again. By |
1547 | + * looking at the usage in add_new_gdb() the value isn't modified, |
1548 | + * just the pointer, and so it remains valid. |
1549 | + */ |
1550 | + if (!bh_p) { |
1551 | ext4_error(sb, "Group descriptor not loaded - " |
1552 | "block_group = %u, group_desc = %u, desc = %u", |
1553 | block_group, group_desc, offset); |
1554 | @@ -297,10 +305,10 @@ struct ext4_group_desc * ext4_get_group_desc(struct super_block *sb, |
1555 | } |
1556 | |
1557 | desc = (struct ext4_group_desc *)( |
1558 | - (__u8 *)sbi->s_group_desc[group_desc]->b_data + |
1559 | + (__u8 *)bh_p->b_data + |
1560 | offset * EXT4_DESC_SIZE(sb)); |
1561 | if (bh) |
1562 | - *bh = sbi->s_group_desc[group_desc]; |
1563 | + *bh = bh_p; |
1564 | return desc; |
1565 | } |
1566 | |
1567 | diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h |
1568 | index 9713d3d41412..eb0ec5068423 100644 |
1569 | --- a/fs/ext4/ext4.h |
1570 | +++ b/fs/ext4/ext4.h |
1571 | @@ -1367,7 +1367,7 @@ struct ext4_sb_info { |
1572 | loff_t s_bitmap_maxbytes; /* max bytes for bitmap files */ |
1573 | struct buffer_head * s_sbh; /* Buffer containing the super block */ |
1574 | struct ext4_super_block *s_es; /* Pointer to the super block in the buffer */ |
1575 | - struct buffer_head **s_group_desc; |
1576 | + struct buffer_head * __rcu *s_group_desc; |
1577 | unsigned int s_mount_opt; |
1578 | unsigned int s_mount_opt2; |
1579 | unsigned int s_mount_flags; |
1580 | @@ -1427,7 +1427,7 @@ struct ext4_sb_info { |
1581 | #endif |
1582 | |
1583 | /* for buddy allocator */ |
1584 | - struct ext4_group_info ***s_group_info; |
1585 | + struct ext4_group_info ** __rcu *s_group_info; |
1586 | struct inode *s_buddy_cache; |
1587 | spinlock_t s_md_lock; |
1588 | unsigned short *s_mb_offsets; |
1589 | @@ -1475,7 +1475,7 @@ struct ext4_sb_info { |
1590 | unsigned int s_extent_max_zeroout_kb; |
1591 | |
1592 | unsigned int s_log_groups_per_flex; |
1593 | - struct flex_groups *s_flex_groups; |
1594 | + struct flex_groups * __rcu *s_flex_groups; |
1595 | ext4_group_t s_flex_groups_allocated; |
1596 | |
1597 | /* workqueue for reserved extent conversions (buffered io) */ |
1598 | @@ -1549,6 +1549,23 @@ static inline int ext4_valid_inum(struct super_block *sb, unsigned long ino) |
1599 | ino <= le32_to_cpu(EXT4_SB(sb)->s_es->s_inodes_count)); |
1600 | } |
1601 | |
1602 | +/* |
1603 | + * Returns: sbi->field[index] |
1604 | + * Used to access an array element from the following sbi fields which require |
1605 | + * rcu protection to avoid dereferencing an invalid pointer due to reassignment |
1606 | + * - s_group_desc |
1607 | + * - s_group_info |
1608 | + * - s_flex_group |
1609 | + */ |
1610 | +#define sbi_array_rcu_deref(sbi, field, index) \ |
1611 | +({ \ |
1612 | + typeof(*((sbi)->field)) _v; \ |
1613 | + rcu_read_lock(); \ |
1614 | + _v = ((typeof(_v)*)rcu_dereference((sbi)->field))[index]; \ |
1615 | + rcu_read_unlock(); \ |
1616 | + _v; \ |
1617 | +}) |
1618 | + |
1619 | /* |
1620 | * Inode dynamic state flags |
1621 | */ |
1622 | @@ -2558,6 +2575,7 @@ extern int ext4_generic_delete_entry(handle_t *handle, |
1623 | extern bool ext4_empty_dir(struct inode *inode); |
1624 | |
1625 | /* resize.c */ |
1626 | +extern void ext4_kvfree_array_rcu(void *to_free); |
1627 | extern int ext4_group_add(struct super_block *sb, |
1628 | struct ext4_new_group_data *input); |
1629 | extern int ext4_group_extend(struct super_block *sb, |
1630 | @@ -2798,13 +2816,13 @@ static inline |
1631 | struct ext4_group_info *ext4_get_group_info(struct super_block *sb, |
1632 | ext4_group_t group) |
1633 | { |
1634 | - struct ext4_group_info ***grp_info; |
1635 | + struct ext4_group_info **grp_info; |
1636 | long indexv, indexh; |
1637 | BUG_ON(group >= EXT4_SB(sb)->s_groups_count); |
1638 | - grp_info = EXT4_SB(sb)->s_group_info; |
1639 | indexv = group >> (EXT4_DESC_PER_BLOCK_BITS(sb)); |
1640 | indexh = group & ((EXT4_DESC_PER_BLOCK(sb)) - 1); |
1641 | - return grp_info[indexv][indexh]; |
1642 | + grp_info = sbi_array_rcu_deref(EXT4_SB(sb), s_group_info, indexv); |
1643 | + return grp_info[indexh]; |
1644 | } |
1645 | |
1646 | /* |
1647 | diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c |
1648 | index 4f78e099de1d..c5af7bbf906f 100644 |
1649 | --- a/fs/ext4/ialloc.c |
1650 | +++ b/fs/ext4/ialloc.c |
1651 | @@ -331,11 +331,13 @@ void ext4_free_inode(handle_t *handle, struct inode *inode) |
1652 | |
1653 | percpu_counter_inc(&sbi->s_freeinodes_counter); |
1654 | if (sbi->s_log_groups_per_flex) { |
1655 | - ext4_group_t f = ext4_flex_group(sbi, block_group); |
1656 | + struct flex_groups *fg; |
1657 | |
1658 | - atomic_inc(&sbi->s_flex_groups[f].free_inodes); |
1659 | + fg = sbi_array_rcu_deref(sbi, s_flex_groups, |
1660 | + ext4_flex_group(sbi, block_group)); |
1661 | + atomic_inc(&fg->free_inodes); |
1662 | if (is_directory) |
1663 | - atomic_dec(&sbi->s_flex_groups[f].used_dirs); |
1664 | + atomic_dec(&fg->used_dirs); |
1665 | } |
1666 | BUFFER_TRACE(bh2, "call ext4_handle_dirty_metadata"); |
1667 | fatal = ext4_handle_dirty_metadata(handle, NULL, bh2); |
1668 | @@ -376,12 +378,13 @@ static void get_orlov_stats(struct super_block *sb, ext4_group_t g, |
1669 | int flex_size, struct orlov_stats *stats) |
1670 | { |
1671 | struct ext4_group_desc *desc; |
1672 | - struct flex_groups *flex_group = EXT4_SB(sb)->s_flex_groups; |
1673 | |
1674 | if (flex_size > 1) { |
1675 | - stats->free_inodes = atomic_read(&flex_group[g].free_inodes); |
1676 | - stats->free_clusters = atomic64_read(&flex_group[g].free_clusters); |
1677 | - stats->used_dirs = atomic_read(&flex_group[g].used_dirs); |
1678 | + struct flex_groups *fg = sbi_array_rcu_deref(EXT4_SB(sb), |
1679 | + s_flex_groups, g); |
1680 | + stats->free_inodes = atomic_read(&fg->free_inodes); |
1681 | + stats->free_clusters = atomic64_read(&fg->free_clusters); |
1682 | + stats->used_dirs = atomic_read(&fg->used_dirs); |
1683 | return; |
1684 | } |
1685 | |
1686 | @@ -988,7 +991,8 @@ got: |
1687 | if (sbi->s_log_groups_per_flex) { |
1688 | ext4_group_t f = ext4_flex_group(sbi, group); |
1689 | |
1690 | - atomic_inc(&sbi->s_flex_groups[f].used_dirs); |
1691 | + atomic_inc(&sbi_array_rcu_deref(sbi, s_flex_groups, |
1692 | + f)->used_dirs); |
1693 | } |
1694 | } |
1695 | if (ext4_has_group_desc_csum(sb)) { |
1696 | @@ -1011,7 +1015,8 @@ got: |
1697 | |
1698 | if (sbi->s_log_groups_per_flex) { |
1699 | flex_group = ext4_flex_group(sbi, group); |
1700 | - atomic_dec(&sbi->s_flex_groups[flex_group].free_inodes); |
1701 | + atomic_dec(&sbi_array_rcu_deref(sbi, s_flex_groups, |
1702 | + flex_group)->free_inodes); |
1703 | } |
1704 | |
1705 | inode->i_ino = ino + group * EXT4_INODES_PER_GROUP(sb); |
1706 | diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c |
1707 | index a49d0e5d7baf..c18668e3135e 100644 |
1708 | --- a/fs/ext4/mballoc.c |
1709 | +++ b/fs/ext4/mballoc.c |
1710 | @@ -2377,7 +2377,7 @@ int ext4_mb_alloc_groupinfo(struct super_block *sb, ext4_group_t ngroups) |
1711 | { |
1712 | struct ext4_sb_info *sbi = EXT4_SB(sb); |
1713 | unsigned size; |
1714 | - struct ext4_group_info ***new_groupinfo; |
1715 | + struct ext4_group_info ***old_groupinfo, ***new_groupinfo; |
1716 | |
1717 | size = (ngroups + EXT4_DESC_PER_BLOCK(sb) - 1) >> |
1718 | EXT4_DESC_PER_BLOCK_BITS(sb); |
1719 | @@ -2390,13 +2390,16 @@ int ext4_mb_alloc_groupinfo(struct super_block *sb, ext4_group_t ngroups) |
1720 | ext4_msg(sb, KERN_ERR, "can't allocate buddy meta group"); |
1721 | return -ENOMEM; |
1722 | } |
1723 | - if (sbi->s_group_info) { |
1724 | - memcpy(new_groupinfo, sbi->s_group_info, |
1725 | + rcu_read_lock(); |
1726 | + old_groupinfo = rcu_dereference(sbi->s_group_info); |
1727 | + if (old_groupinfo) |
1728 | + memcpy(new_groupinfo, old_groupinfo, |
1729 | sbi->s_group_info_size * sizeof(*sbi->s_group_info)); |
1730 | - kvfree(sbi->s_group_info); |
1731 | - } |
1732 | - sbi->s_group_info = new_groupinfo; |
1733 | + rcu_read_unlock(); |
1734 | + rcu_assign_pointer(sbi->s_group_info, new_groupinfo); |
1735 | sbi->s_group_info_size = size / sizeof(*sbi->s_group_info); |
1736 | + if (old_groupinfo) |
1737 | + ext4_kvfree_array_rcu(old_groupinfo); |
1738 | ext4_debug("allocated s_groupinfo array for %d meta_bg's\n", |
1739 | sbi->s_group_info_size); |
1740 | return 0; |
1741 | @@ -2408,6 +2411,7 @@ int ext4_mb_add_groupinfo(struct super_block *sb, ext4_group_t group, |
1742 | { |
1743 | int i; |
1744 | int metalen = 0; |
1745 | + int idx = group >> EXT4_DESC_PER_BLOCK_BITS(sb); |
1746 | struct ext4_sb_info *sbi = EXT4_SB(sb); |
1747 | struct ext4_group_info **meta_group_info; |
1748 | struct kmem_cache *cachep = get_groupinfo_cache(sb->s_blocksize_bits); |
1749 | @@ -2426,12 +2430,12 @@ int ext4_mb_add_groupinfo(struct super_block *sb, ext4_group_t group, |
1750 | "for a buddy group"); |
1751 | goto exit_meta_group_info; |
1752 | } |
1753 | - sbi->s_group_info[group >> EXT4_DESC_PER_BLOCK_BITS(sb)] = |
1754 | - meta_group_info; |
1755 | + rcu_read_lock(); |
1756 | + rcu_dereference(sbi->s_group_info)[idx] = meta_group_info; |
1757 | + rcu_read_unlock(); |
1758 | } |
1759 | |
1760 | - meta_group_info = |
1761 | - sbi->s_group_info[group >> EXT4_DESC_PER_BLOCK_BITS(sb)]; |
1762 | + meta_group_info = sbi_array_rcu_deref(sbi, s_group_info, idx); |
1763 | i = group & (EXT4_DESC_PER_BLOCK(sb) - 1); |
1764 | |
1765 | meta_group_info[i] = kmem_cache_zalloc(cachep, GFP_NOFS); |
1766 | @@ -2479,8 +2483,13 @@ int ext4_mb_add_groupinfo(struct super_block *sb, ext4_group_t group, |
1767 | exit_group_info: |
1768 | /* If a meta_group_info table has been allocated, release it now */ |
1769 | if (group % EXT4_DESC_PER_BLOCK(sb) == 0) { |
1770 | - kfree(sbi->s_group_info[group >> EXT4_DESC_PER_BLOCK_BITS(sb)]); |
1771 | - sbi->s_group_info[group >> EXT4_DESC_PER_BLOCK_BITS(sb)] = NULL; |
1772 | + struct ext4_group_info ***group_info; |
1773 | + |
1774 | + rcu_read_lock(); |
1775 | + group_info = rcu_dereference(sbi->s_group_info); |
1776 | + kfree(group_info[idx]); |
1777 | + group_info[idx] = NULL; |
1778 | + rcu_read_unlock(); |
1779 | } |
1780 | exit_meta_group_info: |
1781 | return -ENOMEM; |
1782 | @@ -2493,6 +2502,7 @@ static int ext4_mb_init_backend(struct super_block *sb) |
1783 | struct ext4_sb_info *sbi = EXT4_SB(sb); |
1784 | int err; |
1785 | struct ext4_group_desc *desc; |
1786 | + struct ext4_group_info ***group_info; |
1787 | struct kmem_cache *cachep; |
1788 | |
1789 | err = ext4_mb_alloc_groupinfo(sb, ngroups); |
1790 | @@ -2527,11 +2537,16 @@ err_freebuddy: |
1791 | while (i-- > 0) |
1792 | kmem_cache_free(cachep, ext4_get_group_info(sb, i)); |
1793 | i = sbi->s_group_info_size; |
1794 | + rcu_read_lock(); |
1795 | + group_info = rcu_dereference(sbi->s_group_info); |
1796 | while (i-- > 0) |
1797 | - kfree(sbi->s_group_info[i]); |
1798 | + kfree(group_info[i]); |
1799 | + rcu_read_unlock(); |
1800 | iput(sbi->s_buddy_cache); |
1801 | err_freesgi: |
1802 | - kvfree(sbi->s_group_info); |
1803 | + rcu_read_lock(); |
1804 | + kvfree(rcu_dereference(sbi->s_group_info)); |
1805 | + rcu_read_unlock(); |
1806 | return -ENOMEM; |
1807 | } |
1808 | |
1809 | @@ -2720,7 +2735,7 @@ int ext4_mb_release(struct super_block *sb) |
1810 | ext4_group_t ngroups = ext4_get_groups_count(sb); |
1811 | ext4_group_t i; |
1812 | int num_meta_group_infos; |
1813 | - struct ext4_group_info *grinfo; |
1814 | + struct ext4_group_info *grinfo, ***group_info; |
1815 | struct ext4_sb_info *sbi = EXT4_SB(sb); |
1816 | struct kmem_cache *cachep = get_groupinfo_cache(sb->s_blocksize_bits); |
1817 | |
1818 | @@ -2738,9 +2753,12 @@ int ext4_mb_release(struct super_block *sb) |
1819 | num_meta_group_infos = (ngroups + |
1820 | EXT4_DESC_PER_BLOCK(sb) - 1) >> |
1821 | EXT4_DESC_PER_BLOCK_BITS(sb); |
1822 | + rcu_read_lock(); |
1823 | + group_info = rcu_dereference(sbi->s_group_info); |
1824 | for (i = 0; i < num_meta_group_infos; i++) |
1825 | - kfree(sbi->s_group_info[i]); |
1826 | - kvfree(sbi->s_group_info); |
1827 | + kfree(group_info[i]); |
1828 | + kvfree(group_info); |
1829 | + rcu_read_unlock(); |
1830 | } |
1831 | kfree(sbi->s_mb_offsets); |
1832 | kfree(sbi->s_mb_maxs); |
1833 | @@ -2998,7 +3016,8 @@ ext4_mb_mark_diskspace_used(struct ext4_allocation_context *ac, |
1834 | ext4_group_t flex_group = ext4_flex_group(sbi, |
1835 | ac->ac_b_ex.fe_group); |
1836 | atomic64_sub(ac->ac_b_ex.fe_len, |
1837 | - &sbi->s_flex_groups[flex_group].free_clusters); |
1838 | + &sbi_array_rcu_deref(sbi, s_flex_groups, |
1839 | + flex_group)->free_clusters); |
1840 | } |
1841 | |
1842 | err = ext4_handle_dirty_metadata(handle, NULL, bitmap_bh); |
1843 | @@ -4888,7 +4907,8 @@ do_more: |
1844 | if (sbi->s_log_groups_per_flex) { |
1845 | ext4_group_t flex_group = ext4_flex_group(sbi, block_group); |
1846 | atomic64_add(count_clusters, |
1847 | - &sbi->s_flex_groups[flex_group].free_clusters); |
1848 | + &sbi_array_rcu_deref(sbi, s_flex_groups, |
1849 | + flex_group)->free_clusters); |
1850 | } |
1851 | |
1852 | if (!(flags & EXT4_FREE_BLOCKS_NO_QUOT_UPDATE)) |
1853 | @@ -5033,7 +5053,8 @@ int ext4_group_add_blocks(handle_t *handle, struct super_block *sb, |
1854 | if (sbi->s_log_groups_per_flex) { |
1855 | ext4_group_t flex_group = ext4_flex_group(sbi, block_group); |
1856 | atomic64_add(EXT4_NUM_B2C(sbi, blocks_freed), |
1857 | - &sbi->s_flex_groups[flex_group].free_clusters); |
1858 | + &sbi_array_rcu_deref(sbi, s_flex_groups, |
1859 | + flex_group)->free_clusters); |
1860 | } |
1861 | |
1862 | ext4_mb_unload_buddy(&e4b); |
1863 | diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c |
1864 | index aef2a24dc9f9..845d9841c91c 100644 |
1865 | --- a/fs/ext4/resize.c |
1866 | +++ b/fs/ext4/resize.c |
1867 | @@ -16,6 +16,33 @@ |
1868 | |
1869 | #include "ext4_jbd2.h" |
1870 | |
1871 | +struct ext4_rcu_ptr { |
1872 | + struct rcu_head rcu; |
1873 | + void *ptr; |
1874 | +}; |
1875 | + |
1876 | +static void ext4_rcu_ptr_callback(struct rcu_head *head) |
1877 | +{ |
1878 | + struct ext4_rcu_ptr *ptr; |
1879 | + |
1880 | + ptr = container_of(head, struct ext4_rcu_ptr, rcu); |
1881 | + kvfree(ptr->ptr); |
1882 | + kfree(ptr); |
1883 | +} |
1884 | + |
1885 | +void ext4_kvfree_array_rcu(void *to_free) |
1886 | +{ |
1887 | + struct ext4_rcu_ptr *ptr = kzalloc(sizeof(*ptr), GFP_KERNEL); |
1888 | + |
1889 | + if (ptr) { |
1890 | + ptr->ptr = to_free; |
1891 | + call_rcu(&ptr->rcu, ext4_rcu_ptr_callback); |
1892 | + return; |
1893 | + } |
1894 | + synchronize_rcu(); |
1895 | + kvfree(to_free); |
1896 | +} |
1897 | + |
1898 | int ext4_resize_begin(struct super_block *sb) |
1899 | { |
1900 | struct ext4_sb_info *sbi = EXT4_SB(sb); |
1901 | @@ -541,8 +568,8 @@ static int setup_new_flex_group_blocks(struct super_block *sb, |
1902 | brelse(gdb); |
1903 | goto out; |
1904 | } |
1905 | - memcpy(gdb->b_data, sbi->s_group_desc[j]->b_data, |
1906 | - gdb->b_size); |
1907 | + memcpy(gdb->b_data, sbi_array_rcu_deref(sbi, |
1908 | + s_group_desc, j)->b_data, gdb->b_size); |
1909 | set_buffer_uptodate(gdb); |
1910 | |
1911 | err = ext4_handle_dirty_metadata(handle, NULL, gdb); |
1912 | @@ -849,13 +876,15 @@ static int add_new_gdb(handle_t *handle, struct inode *inode, |
1913 | } |
1914 | brelse(dind); |
1915 | |
1916 | - o_group_desc = EXT4_SB(sb)->s_group_desc; |
1917 | + rcu_read_lock(); |
1918 | + o_group_desc = rcu_dereference(EXT4_SB(sb)->s_group_desc); |
1919 | memcpy(n_group_desc, o_group_desc, |
1920 | EXT4_SB(sb)->s_gdb_count * sizeof(struct buffer_head *)); |
1921 | + rcu_read_unlock(); |
1922 | n_group_desc[gdb_num] = gdb_bh; |
1923 | - EXT4_SB(sb)->s_group_desc = n_group_desc; |
1924 | + rcu_assign_pointer(EXT4_SB(sb)->s_group_desc, n_group_desc); |
1925 | EXT4_SB(sb)->s_gdb_count++; |
1926 | - kvfree(o_group_desc); |
1927 | + ext4_kvfree_array_rcu(o_group_desc); |
1928 | |
1929 | le16_add_cpu(&es->s_reserved_gdt_blocks, -1); |
1930 | err = ext4_handle_dirty_super(handle, sb); |
1931 | @@ -903,9 +932,11 @@ static int add_new_gdb_meta_bg(struct super_block *sb, |
1932 | return err; |
1933 | } |
1934 | |
1935 | - o_group_desc = EXT4_SB(sb)->s_group_desc; |
1936 | + rcu_read_lock(); |
1937 | + o_group_desc = rcu_dereference(EXT4_SB(sb)->s_group_desc); |
1938 | memcpy(n_group_desc, o_group_desc, |
1939 | EXT4_SB(sb)->s_gdb_count * sizeof(struct buffer_head *)); |
1940 | + rcu_read_unlock(); |
1941 | n_group_desc[gdb_num] = gdb_bh; |
1942 | |
1943 | BUFFER_TRACE(gdb_bh, "get_write_access"); |
1944 | @@ -916,9 +947,9 @@ static int add_new_gdb_meta_bg(struct super_block *sb, |
1945 | return err; |
1946 | } |
1947 | |
1948 | - EXT4_SB(sb)->s_group_desc = n_group_desc; |
1949 | + rcu_assign_pointer(EXT4_SB(sb)->s_group_desc, n_group_desc); |
1950 | EXT4_SB(sb)->s_gdb_count++; |
1951 | - kvfree(o_group_desc); |
1952 | + ext4_kvfree_array_rcu(o_group_desc); |
1953 | return err; |
1954 | } |
1955 | |
1956 | @@ -1180,7 +1211,8 @@ static int ext4_add_new_descs(handle_t *handle, struct super_block *sb, |
1957 | * use non-sparse filesystems anymore. This is already checked above. |
1958 | */ |
1959 | if (gdb_off) { |
1960 | - gdb_bh = sbi->s_group_desc[gdb_num]; |
1961 | + gdb_bh = sbi_array_rcu_deref(sbi, s_group_desc, |
1962 | + gdb_num); |
1963 | BUFFER_TRACE(gdb_bh, "get_write_access"); |
1964 | err = ext4_journal_get_write_access(handle, gdb_bh); |
1965 | |
1966 | @@ -1262,7 +1294,7 @@ static int ext4_setup_new_descs(handle_t *handle, struct super_block *sb, |
1967 | /* |
1968 | * get_write_access() has been called on gdb_bh by ext4_add_new_desc(). |
1969 | */ |
1970 | - gdb_bh = sbi->s_group_desc[gdb_num]; |
1971 | + gdb_bh = sbi_array_rcu_deref(sbi, s_group_desc, gdb_num); |
1972 | /* Update group descriptor block for new group */ |
1973 | gdp = (struct ext4_group_desc *)(gdb_bh->b_data + |
1974 | gdb_off * EXT4_DESC_SIZE(sb)); |
1975 | @@ -1390,11 +1422,14 @@ static void ext4_update_super(struct super_block *sb, |
1976 | percpu_counter_read(&sbi->s_freeclusters_counter)); |
1977 | if (ext4_has_feature_flex_bg(sb) && sbi->s_log_groups_per_flex) { |
1978 | ext4_group_t flex_group; |
1979 | + struct flex_groups *fg; |
1980 | + |
1981 | flex_group = ext4_flex_group(sbi, group_data[0].group); |
1982 | + fg = sbi_array_rcu_deref(sbi, s_flex_groups, flex_group); |
1983 | atomic64_add(EXT4_NUM_B2C(sbi, free_blocks), |
1984 | - &sbi->s_flex_groups[flex_group].free_clusters); |
1985 | + &fg->free_clusters); |
1986 | atomic_add(EXT4_INODES_PER_GROUP(sb) * flex_gd->count, |
1987 | - &sbi->s_flex_groups[flex_group].free_inodes); |
1988 | + &fg->free_inodes); |
1989 | } |
1990 | |
1991 | /* |
1992 | @@ -1489,7 +1524,8 @@ exit_journal: |
1993 | for (; gdb_num <= gdb_num_end; gdb_num++) { |
1994 | struct buffer_head *gdb_bh; |
1995 | |
1996 | - gdb_bh = sbi->s_group_desc[gdb_num]; |
1997 | + gdb_bh = sbi_array_rcu_deref(sbi, s_group_desc, |
1998 | + gdb_num); |
1999 | if (old_gdb == gdb_bh->b_blocknr) |
2000 | continue; |
2001 | update_backups(sb, gdb_bh->b_blocknr, gdb_bh->b_data, |
2002 | diff --git a/fs/ext4/super.c b/fs/ext4/super.c |
2003 | index b69a78c061cb..75f71e52ffc7 100644 |
2004 | --- a/fs/ext4/super.c |
2005 | +++ b/fs/ext4/super.c |
2006 | @@ -826,6 +826,8 @@ static void ext4_put_super(struct super_block *sb) |
2007 | { |
2008 | struct ext4_sb_info *sbi = EXT4_SB(sb); |
2009 | struct ext4_super_block *es = sbi->s_es; |
2010 | + struct buffer_head **group_desc; |
2011 | + struct flex_groups **flex_groups; |
2012 | int aborted = 0; |
2013 | int i, err; |
2014 | |
2015 | @@ -857,10 +859,18 @@ static void ext4_put_super(struct super_block *sb) |
2016 | if (!(sb->s_flags & MS_RDONLY)) |
2017 | ext4_commit_super(sb, 1); |
2018 | |
2019 | + rcu_read_lock(); |
2020 | + group_desc = rcu_dereference(sbi->s_group_desc); |
2021 | for (i = 0; i < sbi->s_gdb_count; i++) |
2022 | - brelse(sbi->s_group_desc[i]); |
2023 | - kvfree(sbi->s_group_desc); |
2024 | - kvfree(sbi->s_flex_groups); |
2025 | + brelse(group_desc[i]); |
2026 | + kvfree(group_desc); |
2027 | + flex_groups = rcu_dereference(sbi->s_flex_groups); |
2028 | + if (flex_groups) { |
2029 | + for (i = 0; i < sbi->s_flex_groups_allocated; i++) |
2030 | + kvfree(flex_groups[i]); |
2031 | + kvfree(flex_groups); |
2032 | + } |
2033 | + rcu_read_unlock(); |
2034 | percpu_counter_destroy(&sbi->s_freeclusters_counter); |
2035 | percpu_counter_destroy(&sbi->s_freeinodes_counter); |
2036 | percpu_counter_destroy(&sbi->s_dirs_counter); |
2037 | @@ -2109,8 +2119,8 @@ done: |
2038 | int ext4_alloc_flex_bg_array(struct super_block *sb, ext4_group_t ngroup) |
2039 | { |
2040 | struct ext4_sb_info *sbi = EXT4_SB(sb); |
2041 | - struct flex_groups *new_groups; |
2042 | - int size; |
2043 | + struct flex_groups **old_groups, **new_groups; |
2044 | + int size, i, j; |
2045 | |
2046 | if (!sbi->s_log_groups_per_flex) |
2047 | return 0; |
2048 | @@ -2119,22 +2129,37 @@ int ext4_alloc_flex_bg_array(struct super_block *sb, ext4_group_t ngroup) |
2049 | if (size <= sbi->s_flex_groups_allocated) |
2050 | return 0; |
2051 | |
2052 | - size = roundup_pow_of_two(size * sizeof(struct flex_groups)); |
2053 | - new_groups = ext4_kvzalloc(size, GFP_KERNEL); |
2054 | + new_groups = ext4_kvzalloc(roundup_pow_of_two(size * |
2055 | + sizeof(*sbi->s_flex_groups)), GFP_KERNEL); |
2056 | if (!new_groups) { |
2057 | - ext4_msg(sb, KERN_ERR, "not enough memory for %d flex groups", |
2058 | - size / (int) sizeof(struct flex_groups)); |
2059 | + ext4_msg(sb, KERN_ERR, |
2060 | + "not enough memory for %d flex group pointers", size); |
2061 | return -ENOMEM; |
2062 | } |
2063 | - |
2064 | - if (sbi->s_flex_groups) { |
2065 | - memcpy(new_groups, sbi->s_flex_groups, |
2066 | - (sbi->s_flex_groups_allocated * |
2067 | - sizeof(struct flex_groups))); |
2068 | - kvfree(sbi->s_flex_groups); |
2069 | + for (i = sbi->s_flex_groups_allocated; i < size; i++) { |
2070 | + new_groups[i] = ext4_kvzalloc(roundup_pow_of_two( |
2071 | + sizeof(struct flex_groups)), |
2072 | + GFP_KERNEL); |
2073 | + if (!new_groups[i]) { |
2074 | + for (j = sbi->s_flex_groups_allocated; j < i; j++) |
2075 | + kvfree(new_groups[j]); |
2076 | + kvfree(new_groups); |
2077 | + ext4_msg(sb, KERN_ERR, |
2078 | + "not enough memory for %d flex groups", size); |
2079 | + return -ENOMEM; |
2080 | + } |
2081 | } |
2082 | - sbi->s_flex_groups = new_groups; |
2083 | - sbi->s_flex_groups_allocated = size / sizeof(struct flex_groups); |
2084 | + rcu_read_lock(); |
2085 | + old_groups = rcu_dereference(sbi->s_flex_groups); |
2086 | + if (old_groups) |
2087 | + memcpy(new_groups, old_groups, |
2088 | + (sbi->s_flex_groups_allocated * |
2089 | + sizeof(struct flex_groups *))); |
2090 | + rcu_read_unlock(); |
2091 | + rcu_assign_pointer(sbi->s_flex_groups, new_groups); |
2092 | + sbi->s_flex_groups_allocated = size; |
2093 | + if (old_groups) |
2094 | + ext4_kvfree_array_rcu(old_groups); |
2095 | return 0; |
2096 | } |
2097 | |
2098 | @@ -2142,6 +2167,7 @@ static int ext4_fill_flex_info(struct super_block *sb) |
2099 | { |
2100 | struct ext4_sb_info *sbi = EXT4_SB(sb); |
2101 | struct ext4_group_desc *gdp = NULL; |
2102 | + struct flex_groups *fg; |
2103 | ext4_group_t flex_group; |
2104 | int i, err; |
2105 | |
2106 | @@ -2159,12 +2185,11 @@ static int ext4_fill_flex_info(struct super_block *sb) |
2107 | gdp = ext4_get_group_desc(sb, i, NULL); |
2108 | |
2109 | flex_group = ext4_flex_group(sbi, i); |
2110 | - atomic_add(ext4_free_inodes_count(sb, gdp), |
2111 | - &sbi->s_flex_groups[flex_group].free_inodes); |
2112 | + fg = sbi_array_rcu_deref(sbi, s_flex_groups, flex_group); |
2113 | + atomic_add(ext4_free_inodes_count(sb, gdp), &fg->free_inodes); |
2114 | atomic64_add(ext4_free_group_clusters(sb, gdp), |
2115 | - &sbi->s_flex_groups[flex_group].free_clusters); |
2116 | - atomic_add(ext4_used_dirs_count(sb, gdp), |
2117 | - &sbi->s_flex_groups[flex_group].used_dirs); |
2118 | + &fg->free_clusters); |
2119 | + atomic_add(ext4_used_dirs_count(sb, gdp), &fg->used_dirs); |
2120 | } |
2121 | |
2122 | return 1; |
2123 | @@ -3403,9 +3428,10 @@ static void ext4_set_resv_clusters(struct super_block *sb) |
2124 | static int ext4_fill_super(struct super_block *sb, void *data, int silent) |
2125 | { |
2126 | char *orig_data = kstrdup(data, GFP_KERNEL); |
2127 | - struct buffer_head *bh; |
2128 | + struct buffer_head *bh, **group_desc; |
2129 | struct ext4_super_block *es = NULL; |
2130 | struct ext4_sb_info *sbi = kzalloc(sizeof(*sbi), GFP_KERNEL); |
2131 | + struct flex_groups **flex_groups; |
2132 | ext4_fsblk_t block; |
2133 | ext4_fsblk_t sb_block = get_sb_block(&data); |
2134 | ext4_fsblk_t logical_sb_block; |
2135 | @@ -3955,9 +3981,10 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent) |
2136 | goto failed_mount; |
2137 | } |
2138 | } |
2139 | - sbi->s_group_desc = ext4_kvmalloc(db_count * |
2140 | + rcu_assign_pointer(sbi->s_group_desc, |
2141 | + ext4_kvmalloc(db_count * |
2142 | sizeof(struct buffer_head *), |
2143 | - GFP_KERNEL); |
2144 | + GFP_KERNEL)); |
2145 | if (sbi->s_group_desc == NULL) { |
2146 | ext4_msg(sb, KERN_ERR, "not enough memory"); |
2147 | ret = -ENOMEM; |
2148 | @@ -3967,14 +3994,19 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent) |
2149 | bgl_lock_init(sbi->s_blockgroup_lock); |
2150 | |
2151 | for (i = 0; i < db_count; i++) { |
2152 | + struct buffer_head *bh; |
2153 | + |
2154 | block = descriptor_loc(sb, logical_sb_block, i); |
2155 | - sbi->s_group_desc[i] = sb_bread_unmovable(sb, block); |
2156 | - if (!sbi->s_group_desc[i]) { |
2157 | + bh = sb_bread_unmovable(sb, block); |
2158 | + if (!bh) { |
2159 | ext4_msg(sb, KERN_ERR, |
2160 | "can't read group descriptor %d", i); |
2161 | db_count = i; |
2162 | goto failed_mount2; |
2163 | } |
2164 | + rcu_read_lock(); |
2165 | + rcu_dereference(sbi->s_group_desc)[i] = bh; |
2166 | + rcu_read_unlock(); |
2167 | } |
2168 | sbi->s_gdb_count = db_count; |
2169 | if (!ext4_check_descriptors(sb, logical_sb_block, &first_not_zeroed)) { |
2170 | @@ -4316,8 +4348,14 @@ failed_mount7: |
2171 | ext4_unregister_li_request(sb); |
2172 | failed_mount6: |
2173 | ext4_mb_release(sb); |
2174 | - if (sbi->s_flex_groups) |
2175 | - kvfree(sbi->s_flex_groups); |
2176 | + rcu_read_lock(); |
2177 | + flex_groups = rcu_dereference(sbi->s_flex_groups); |
2178 | + if (flex_groups) { |
2179 | + for (i = 0; i < sbi->s_flex_groups_allocated; i++) |
2180 | + kvfree(flex_groups[i]); |
2181 | + kvfree(flex_groups); |
2182 | + } |
2183 | + rcu_read_unlock(); |
2184 | percpu_counter_destroy(&sbi->s_freeclusters_counter); |
2185 | percpu_counter_destroy(&sbi->s_freeinodes_counter); |
2186 | percpu_counter_destroy(&sbi->s_dirs_counter); |
2187 | @@ -4349,9 +4387,12 @@ failed_mount3: |
2188 | if (sbi->s_mmp_tsk) |
2189 | kthread_stop(sbi->s_mmp_tsk); |
2190 | failed_mount2: |
2191 | + rcu_read_lock(); |
2192 | + group_desc = rcu_dereference(sbi->s_group_desc); |
2193 | for (i = 0; i < db_count; i++) |
2194 | - brelse(sbi->s_group_desc[i]); |
2195 | - kvfree(sbi->s_group_desc); |
2196 | + brelse(group_desc[i]); |
2197 | + kvfree(group_desc); |
2198 | + rcu_read_unlock(); |
2199 | failed_mount: |
2200 | if (sbi->s_chksum_driver) |
2201 | crypto_free_shash(sbi->s_chksum_driver); |
2202 | diff --git a/fs/fat/inode.c b/fs/fat/inode.c |
2203 | index 88720011a6eb..f0387d040331 100644 |
2204 | --- a/fs/fat/inode.c |
2205 | +++ b/fs/fat/inode.c |
2206 | @@ -736,6 +736,13 @@ static struct inode *fat_alloc_inode(struct super_block *sb) |
2207 | return NULL; |
2208 | |
2209 | init_rwsem(&ei->truncate_lock); |
2210 | + /* Zeroing to allow iput() even if partial initialized inode. */ |
2211 | + ei->mmu_private = 0; |
2212 | + ei->i_start = 0; |
2213 | + ei->i_logstart = 0; |
2214 | + ei->i_attrs = 0; |
2215 | + ei->i_pos = 0; |
2216 | + |
2217 | return &ei->vfs_inode; |
2218 | } |
2219 | |
2220 | @@ -1366,16 +1373,6 @@ out: |
2221 | return 0; |
2222 | } |
2223 | |
2224 | -static void fat_dummy_inode_init(struct inode *inode) |
2225 | -{ |
2226 | - /* Initialize this dummy inode to work as no-op. */ |
2227 | - MSDOS_I(inode)->mmu_private = 0; |
2228 | - MSDOS_I(inode)->i_start = 0; |
2229 | - MSDOS_I(inode)->i_logstart = 0; |
2230 | - MSDOS_I(inode)->i_attrs = 0; |
2231 | - MSDOS_I(inode)->i_pos = 0; |
2232 | -} |
2233 | - |
2234 | static int fat_read_root(struct inode *inode) |
2235 | { |
2236 | struct msdos_sb_info *sbi = MSDOS_SB(inode->i_sb); |
2237 | @@ -1820,13 +1817,11 @@ int fat_fill_super(struct super_block *sb, void *data, int silent, int isvfat, |
2238 | fat_inode = new_inode(sb); |
2239 | if (!fat_inode) |
2240 | goto out_fail; |
2241 | - fat_dummy_inode_init(fat_inode); |
2242 | sbi->fat_inode = fat_inode; |
2243 | |
2244 | fsinfo_inode = new_inode(sb); |
2245 | if (!fsinfo_inode) |
2246 | goto out_fail; |
2247 | - fat_dummy_inode_init(fsinfo_inode); |
2248 | fsinfo_inode->i_ino = MSDOS_FSINFO_INO; |
2249 | sbi->fsinfo_inode = fsinfo_inode; |
2250 | insert_inode_hash(fsinfo_inode); |
2251 | diff --git a/fs/namei.c b/fs/namei.c |
2252 | index 757a50ecf0f4..0953281430b1 100644 |
2253 | --- a/fs/namei.c |
2254 | +++ b/fs/namei.c |
2255 | @@ -1370,7 +1370,7 @@ static int follow_dotdot_rcu(struct nameidata *nd) |
2256 | nd->path.dentry = parent; |
2257 | nd->seq = seq; |
2258 | if (unlikely(!path_connected(&nd->path))) |
2259 | - return -ENOENT; |
2260 | + return -ECHILD; |
2261 | break; |
2262 | } else { |
2263 | struct mount *mnt = real_mount(nd->path.mnt); |
2264 | diff --git a/include/acpi/actypes.h b/include/acpi/actypes.h |
2265 | index 1d798abae710..f502d257d494 100644 |
2266 | --- a/include/acpi/actypes.h |
2267 | +++ b/include/acpi/actypes.h |
2268 | @@ -551,6 +551,8 @@ typedef u64 acpi_integer; |
2269 | #define ACPI_VALIDATE_RSDP_SIG(a) (!strncmp (ACPI_CAST_PTR (char, (a)), ACPI_SIG_RSDP, 8)) |
2270 | #define ACPI_MAKE_RSDP_SIG(dest) (memcpy (ACPI_CAST_PTR (char, (dest)), ACPI_SIG_RSDP, 8)) |
2271 | |
2272 | +#define ACPI_ACCESS_BYTE_WIDTH(size) (1 << ((size) - 1)) |
2273 | + |
2274 | /******************************************************************************* |
2275 | * |
2276 | * Miscellaneous constants |
2277 | diff --git a/include/linux/bitops.h b/include/linux/bitops.h |
2278 | index 76ad8a957ffa..cee74a52b9eb 100644 |
2279 | --- a/include/linux/bitops.h |
2280 | +++ b/include/linux/bitops.h |
2281 | @@ -3,7 +3,8 @@ |
2282 | #include <asm/types.h> |
2283 | #include <linux/bits.h> |
2284 | |
2285 | -#define BITS_TO_LONGS(nr) DIV_ROUND_UP(nr, BITS_PER_BYTE * sizeof(long)) |
2286 | +#define BITS_PER_TYPE(type) (sizeof(type) * BITS_PER_BYTE) |
2287 | +#define BITS_TO_LONGS(nr) DIV_ROUND_UP(nr, BITS_PER_TYPE(long)) |
2288 | |
2289 | extern unsigned int __sw_hweight8(unsigned int w); |
2290 | extern unsigned int __sw_hweight16(unsigned int w); |
2291 | diff --git a/include/linux/hid.h b/include/linux/hid.h |
2292 | index 04bdf5477ec5..eda06f7ee84a 100644 |
2293 | --- a/include/linux/hid.h |
2294 | +++ b/include/linux/hid.h |
2295 | @@ -453,7 +453,7 @@ struct hid_report_enum { |
2296 | }; |
2297 | |
2298 | #define HID_MIN_BUFFER_SIZE 64 /* make sure there is at least a packet size of space */ |
2299 | -#define HID_MAX_BUFFER_SIZE 4096 /* 4kb */ |
2300 | +#define HID_MAX_BUFFER_SIZE 8192 /* 8kb */ |
2301 | #define HID_CONTROL_FIFO_SIZE 256 /* to init devices with >100 reports */ |
2302 | #define HID_OUTPUT_FIFO_SIZE 64 |
2303 | |
2304 | diff --git a/include/net/flow_dissector.h b/include/net/flow_dissector.h |
2305 | index 1505cf7a4aaf..7a85a4ef6868 100644 |
2306 | --- a/include/net/flow_dissector.h |
2307 | +++ b/include/net/flow_dissector.h |
2308 | @@ -4,6 +4,7 @@ |
2309 | #include <linux/types.h> |
2310 | #include <linux/in6.h> |
2311 | #include <linux/siphash.h> |
2312 | +#include <linux/string.h> |
2313 | #include <uapi/linux/if_ether.h> |
2314 | |
2315 | /** |
2316 | @@ -204,4 +205,12 @@ static inline void *skb_flow_dissector_target(struct flow_dissector *flow_dissec |
2317 | return ((char *)target_container) + flow_dissector->offset[key_id]; |
2318 | } |
2319 | |
2320 | +static inline void |
2321 | +flow_dissector_init_keys(struct flow_dissector_key_control *key_control, |
2322 | + struct flow_dissector_key_basic *key_basic) |
2323 | +{ |
2324 | + memset(key_control, 0, sizeof(*key_control)); |
2325 | + memset(key_basic, 0, sizeof(*key_basic)); |
2326 | +} |
2327 | + |
2328 | #endif |
2329 | diff --git a/kernel/audit.c b/kernel/audit.c |
2330 | index 3461a3d874fe..53dcaa3b67bc 100644 |
2331 | --- a/kernel/audit.c |
2332 | +++ b/kernel/audit.c |
2333 | @@ -751,13 +751,11 @@ static void audit_log_feature_change(int which, u32 old_feature, u32 new_feature |
2334 | audit_log_end(ab); |
2335 | } |
2336 | |
2337 | -static int audit_set_feature(struct sk_buff *skb) |
2338 | +static int audit_set_feature(struct audit_features *uaf) |
2339 | { |
2340 | - struct audit_features *uaf; |
2341 | int i; |
2342 | |
2343 | BUILD_BUG_ON(AUDIT_LAST_FEATURE + 1 > ARRAY_SIZE(audit_feature_names)); |
2344 | - uaf = nlmsg_data(nlmsg_hdr(skb)); |
2345 | |
2346 | /* if there is ever a version 2 we should handle that here */ |
2347 | |
2348 | @@ -823,6 +821,7 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh) |
2349 | { |
2350 | u32 seq; |
2351 | void *data; |
2352 | + int data_len; |
2353 | int err; |
2354 | struct audit_buffer *ab; |
2355 | u16 msg_type = nlh->nlmsg_type; |
2356 | @@ -846,6 +845,7 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh) |
2357 | } |
2358 | seq = nlh->nlmsg_seq; |
2359 | data = nlmsg_data(nlh); |
2360 | + data_len = nlmsg_len(nlh); |
2361 | |
2362 | switch (msg_type) { |
2363 | case AUDIT_GET: { |
2364 | @@ -867,7 +867,7 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh) |
2365 | struct audit_status s; |
2366 | memset(&s, 0, sizeof(s)); |
2367 | /* guard against past and future API changes */ |
2368 | - memcpy(&s, data, min_t(size_t, sizeof(s), nlmsg_len(nlh))); |
2369 | + memcpy(&s, data, min_t(size_t, sizeof(s), data_len)); |
2370 | if (s.mask & AUDIT_STATUS_ENABLED) { |
2371 | err = audit_set_enabled(s.enabled); |
2372 | if (err < 0) |
2373 | @@ -930,7 +930,9 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh) |
2374 | return err; |
2375 | break; |
2376 | case AUDIT_SET_FEATURE: |
2377 | - err = audit_set_feature(skb); |
2378 | + if (data_len < sizeof(struct audit_features)) |
2379 | + return -EINVAL; |
2380 | + err = audit_set_feature(data); |
2381 | if (err) |
2382 | return err; |
2383 | break; |
2384 | @@ -942,6 +944,8 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh) |
2385 | |
2386 | err = audit_filter(msg_type, AUDIT_FILTER_USER); |
2387 | if (err == 1) { /* match or error */ |
2388 | + char *str = data; |
2389 | + |
2390 | err = 0; |
2391 | if (msg_type == AUDIT_USER_TTY) { |
2392 | err = tty_audit_push(); |
2393 | @@ -950,19 +954,17 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh) |
2394 | } |
2395 | mutex_unlock(&audit_cmd_mutex); |
2396 | audit_log_common_recv_msg(&ab, msg_type); |
2397 | - if (msg_type != AUDIT_USER_TTY) |
2398 | + if (msg_type != AUDIT_USER_TTY) { |
2399 | + /* ensure NULL termination */ |
2400 | + str[data_len - 1] = '\0'; |
2401 | audit_log_format(ab, " msg='%.*s'", |
2402 | AUDIT_MESSAGE_TEXT_MAX, |
2403 | - (char *)data); |
2404 | - else { |
2405 | - int size; |
2406 | - |
2407 | + str); |
2408 | + } else { |
2409 | audit_log_format(ab, " data="); |
2410 | - size = nlmsg_len(nlh); |
2411 | - if (size > 0 && |
2412 | - ((unsigned char *)data)[size - 1] == '\0') |
2413 | - size--; |
2414 | - audit_log_n_untrustedstring(ab, data, size); |
2415 | + if (data_len > 0 && str[data_len - 1] == '\0') |
2416 | + data_len--; |
2417 | + audit_log_n_untrustedstring(ab, str, data_len); |
2418 | } |
2419 | audit_set_portid(ab, NETLINK_CB(skb).portid); |
2420 | audit_log_end(ab); |
2421 | @@ -971,7 +973,7 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh) |
2422 | break; |
2423 | case AUDIT_ADD_RULE: |
2424 | case AUDIT_DEL_RULE: |
2425 | - if (nlmsg_len(nlh) < sizeof(struct audit_rule_data)) |
2426 | + if (data_len < sizeof(struct audit_rule_data)) |
2427 | return -EINVAL; |
2428 | if (audit_enabled == AUDIT_LOCKED) { |
2429 | audit_log_common_recv_msg(&ab, AUDIT_CONFIG_CHANGE); |
2430 | @@ -980,7 +982,7 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh) |
2431 | return -EPERM; |
2432 | } |
2433 | err = audit_rule_change(msg_type, NETLINK_CB(skb).portid, |
2434 | - seq, data, nlmsg_len(nlh)); |
2435 | + seq, data, data_len); |
2436 | break; |
2437 | case AUDIT_LIST_RULES: |
2438 | err = audit_list_rules_send(skb, seq); |
2439 | @@ -994,7 +996,7 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh) |
2440 | case AUDIT_MAKE_EQUIV: { |
2441 | void *bufp = data; |
2442 | u32 sizes[2]; |
2443 | - size_t msglen = nlmsg_len(nlh); |
2444 | + size_t msglen = data_len; |
2445 | char *old, *new; |
2446 | |
2447 | err = -EINVAL; |
2448 | @@ -1070,7 +1072,7 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh) |
2449 | |
2450 | memset(&s, 0, sizeof(s)); |
2451 | /* guard against past and future API changes */ |
2452 | - memcpy(&s, data, min_t(size_t, sizeof(s), nlmsg_len(nlh))); |
2453 | + memcpy(&s, data, min_t(size_t, sizeof(s), data_len)); |
2454 | /* check if new data is valid */ |
2455 | if ((s.enabled != 0 && s.enabled != 1) || |
2456 | (s.log_passwd != 0 && s.log_passwd != 1)) |
2457 | diff --git a/kernel/auditfilter.c b/kernel/auditfilter.c |
2458 | index 42b7251c597f..a71ff9965cba 100644 |
2459 | --- a/kernel/auditfilter.c |
2460 | +++ b/kernel/auditfilter.c |
2461 | @@ -434,6 +434,7 @@ static struct audit_entry *audit_data_to_entry(struct audit_rule_data *data, |
2462 | bufp = data->buf; |
2463 | for (i = 0; i < data->field_count; i++) { |
2464 | struct audit_field *f = &entry->rule.fields[i]; |
2465 | + u32 f_val; |
2466 | |
2467 | err = -EINVAL; |
2468 | |
2469 | @@ -442,12 +443,12 @@ static struct audit_entry *audit_data_to_entry(struct audit_rule_data *data, |
2470 | goto exit_free; |
2471 | |
2472 | f->type = data->fields[i]; |
2473 | - f->val = data->values[i]; |
2474 | + f_val = data->values[i]; |
2475 | |
2476 | /* Support legacy tests for a valid loginuid */ |
2477 | - if ((f->type == AUDIT_LOGINUID) && (f->val == AUDIT_UID_UNSET)) { |
2478 | + if ((f->type == AUDIT_LOGINUID) && (f_val == AUDIT_UID_UNSET)) { |
2479 | f->type = AUDIT_LOGINUID_SET; |
2480 | - f->val = 0; |
2481 | + f_val = 0; |
2482 | entry->rule.pflags |= AUDIT_LOGINUID_LEGACY; |
2483 | } |
2484 | |
2485 | @@ -463,7 +464,7 @@ static struct audit_entry *audit_data_to_entry(struct audit_rule_data *data, |
2486 | case AUDIT_SUID: |
2487 | case AUDIT_FSUID: |
2488 | case AUDIT_OBJ_UID: |
2489 | - f->uid = make_kuid(current_user_ns(), f->val); |
2490 | + f->uid = make_kuid(current_user_ns(), f_val); |
2491 | if (!uid_valid(f->uid)) |
2492 | goto exit_free; |
2493 | break; |
2494 | @@ -472,11 +473,12 @@ static struct audit_entry *audit_data_to_entry(struct audit_rule_data *data, |
2495 | case AUDIT_SGID: |
2496 | case AUDIT_FSGID: |
2497 | case AUDIT_OBJ_GID: |
2498 | - f->gid = make_kgid(current_user_ns(), f->val); |
2499 | + f->gid = make_kgid(current_user_ns(), f_val); |
2500 | if (!gid_valid(f->gid)) |
2501 | goto exit_free; |
2502 | break; |
2503 | case AUDIT_ARCH: |
2504 | + f->val = f_val; |
2505 | entry->rule.arch_f = f; |
2506 | break; |
2507 | case AUDIT_SUBJ_USER: |
2508 | @@ -489,11 +491,13 @@ static struct audit_entry *audit_data_to_entry(struct audit_rule_data *data, |
2509 | case AUDIT_OBJ_TYPE: |
2510 | case AUDIT_OBJ_LEV_LOW: |
2511 | case AUDIT_OBJ_LEV_HIGH: |
2512 | - str = audit_unpack_string(&bufp, &remain, f->val); |
2513 | - if (IS_ERR(str)) |
2514 | + str = audit_unpack_string(&bufp, &remain, f_val); |
2515 | + if (IS_ERR(str)) { |
2516 | + err = PTR_ERR(str); |
2517 | goto exit_free; |
2518 | - entry->rule.buflen += f->val; |
2519 | - |
2520 | + } |
2521 | + entry->rule.buflen += f_val; |
2522 | + f->lsm_str = str; |
2523 | err = security_audit_rule_init(f->type, f->op, str, |
2524 | (void **)&f->lsm_rule); |
2525 | /* Keep currently invalid fields around in case they |
2526 | @@ -502,68 +506,71 @@ static struct audit_entry *audit_data_to_entry(struct audit_rule_data *data, |
2527 | pr_warn("audit rule for LSM \'%s\' is invalid\n", |
2528 | str); |
2529 | err = 0; |
2530 | - } |
2531 | - if (err) { |
2532 | - kfree(str); |
2533 | + } else if (err) |
2534 | goto exit_free; |
2535 | - } else |
2536 | - f->lsm_str = str; |
2537 | break; |
2538 | case AUDIT_WATCH: |
2539 | - str = audit_unpack_string(&bufp, &remain, f->val); |
2540 | - if (IS_ERR(str)) |
2541 | + str = audit_unpack_string(&bufp, &remain, f_val); |
2542 | + if (IS_ERR(str)) { |
2543 | + err = PTR_ERR(str); |
2544 | goto exit_free; |
2545 | - entry->rule.buflen += f->val; |
2546 | - |
2547 | - err = audit_to_watch(&entry->rule, str, f->val, f->op); |
2548 | + } |
2549 | + err = audit_to_watch(&entry->rule, str, f_val, f->op); |
2550 | if (err) { |
2551 | kfree(str); |
2552 | goto exit_free; |
2553 | } |
2554 | + entry->rule.buflen += f_val; |
2555 | break; |
2556 | case AUDIT_DIR: |
2557 | - str = audit_unpack_string(&bufp, &remain, f->val); |
2558 | - if (IS_ERR(str)) |
2559 | + str = audit_unpack_string(&bufp, &remain, f_val); |
2560 | + if (IS_ERR(str)) { |
2561 | + err = PTR_ERR(str); |
2562 | goto exit_free; |
2563 | - entry->rule.buflen += f->val; |
2564 | - |
2565 | + } |
2566 | err = audit_make_tree(&entry->rule, str, f->op); |
2567 | kfree(str); |
2568 | if (err) |
2569 | goto exit_free; |
2570 | + entry->rule.buflen += f_val; |
2571 | break; |
2572 | case AUDIT_INODE: |
2573 | + f->val = f_val; |
2574 | err = audit_to_inode(&entry->rule, f); |
2575 | if (err) |
2576 | goto exit_free; |
2577 | break; |
2578 | case AUDIT_FILTERKEY: |
2579 | - if (entry->rule.filterkey || f->val > AUDIT_MAX_KEY_LEN) |
2580 | + if (entry->rule.filterkey || f_val > AUDIT_MAX_KEY_LEN) |
2581 | goto exit_free; |
2582 | - str = audit_unpack_string(&bufp, &remain, f->val); |
2583 | - if (IS_ERR(str)) |
2584 | + str = audit_unpack_string(&bufp, &remain, f_val); |
2585 | + if (IS_ERR(str)) { |
2586 | + err = PTR_ERR(str); |
2587 | goto exit_free; |
2588 | - entry->rule.buflen += f->val; |
2589 | + } |
2590 | + entry->rule.buflen += f_val; |
2591 | entry->rule.filterkey = str; |
2592 | break; |
2593 | case AUDIT_EXE: |
2594 | - if (entry->rule.exe || f->val > PATH_MAX) |
2595 | + if (entry->rule.exe || f_val > PATH_MAX) |
2596 | goto exit_free; |
2597 | - str = audit_unpack_string(&bufp, &remain, f->val); |
2598 | + str = audit_unpack_string(&bufp, &remain, f_val); |
2599 | if (IS_ERR(str)) { |
2600 | err = PTR_ERR(str); |
2601 | goto exit_free; |
2602 | } |
2603 | - entry->rule.buflen += f->val; |
2604 | - |
2605 | - audit_mark = audit_alloc_mark(&entry->rule, str, f->val); |
2606 | + audit_mark = audit_alloc_mark(&entry->rule, str, f_val); |
2607 | if (IS_ERR(audit_mark)) { |
2608 | kfree(str); |
2609 | err = PTR_ERR(audit_mark); |
2610 | goto exit_free; |
2611 | } |
2612 | + entry->rule.buflen += f_val; |
2613 | entry->rule.exe = audit_mark; |
2614 | break; |
2615 | + default: |
2616 | + f->val = f_val; |
2617 | + break; |
2618 | } |
2619 | } |
2620 | |
2621 | diff --git a/mm/huge_memory.c b/mm/huge_memory.c |
2622 | index f32f73fa5d3a..5fbd77d52602 100644 |
2623 | --- a/mm/huge_memory.c |
2624 | +++ b/mm/huge_memory.c |
2625 | @@ -2095,7 +2095,7 @@ int split_huge_page_to_list(struct page *page, struct list_head *list) |
2626 | unsigned long flags; |
2627 | pgoff_t end; |
2628 | |
2629 | - VM_BUG_ON_PAGE(is_huge_zero_page(page), page); |
2630 | + VM_BUG_ON_PAGE(is_huge_zero_page(head), head); |
2631 | VM_BUG_ON_PAGE(!PageLocked(page), page); |
2632 | VM_BUG_ON_PAGE(!PageSwapBacked(page), page); |
2633 | VM_BUG_ON_PAGE(!PageCompound(page), page); |
2634 | diff --git a/net/core/fib_rules.c b/net/core/fib_rules.c |
2635 | index be4629c344a6..9f172906cc88 100644 |
2636 | --- a/net/core/fib_rules.c |
2637 | +++ b/net/core/fib_rules.c |
2638 | @@ -640,7 +640,7 @@ static int fib_nl_fill_rule(struct sk_buff *skb, struct fib_rule *rule, |
2639 | |
2640 | frh = nlmsg_data(nlh); |
2641 | frh->family = ops->family; |
2642 | - frh->table = rule->table; |
2643 | + frh->table = rule->table < 256 ? rule->table : RT_TABLE_COMPAT; |
2644 | if (nla_put_u32(skb, FRA_TABLE, rule->table)) |
2645 | goto nla_put_failure; |
2646 | if (nla_put_u32(skb, FRA_SUPPRESS_PREFIXLEN, rule->suppress_prefixlen)) |
2647 | diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c |
2648 | index 5da864997495..85c7e250c7a8 100644 |
2649 | --- a/net/ipv6/ip6_fib.c |
2650 | +++ b/net/ipv6/ip6_fib.c |
2651 | @@ -784,8 +784,7 @@ static int fib6_add_rt2node(struct fib6_node *fn, struct rt6_info *rt, |
2652 | found++; |
2653 | break; |
2654 | } |
2655 | - if (rt_can_ecmp) |
2656 | - fallback_ins = fallback_ins ?: ins; |
2657 | + fallback_ins = fallback_ins ?: ins; |
2658 | goto next_iter; |
2659 | } |
2660 | |
2661 | @@ -825,7 +824,9 @@ next_iter: |
2662 | } |
2663 | |
2664 | if (fallback_ins && !found) { |
2665 | - /* No ECMP-able route found, replace first non-ECMP one */ |
2666 | + /* No matching route with same ecmp-able-ness found, replace |
2667 | + * first matching route |
2668 | + */ |
2669 | ins = fallback_ins; |
2670 | iter = *ins; |
2671 | found++; |
2672 | diff --git a/net/ipv6/route.c b/net/ipv6/route.c |
2673 | index 27c93baed708..2c4743f2d50e 100644 |
2674 | --- a/net/ipv6/route.c |
2675 | +++ b/net/ipv6/route.c |
2676 | @@ -3069,6 +3069,7 @@ static int ip6_route_multipath_add(struct fib6_config *cfg) |
2677 | */ |
2678 | cfg->fc_nlinfo.nlh->nlmsg_flags &= ~(NLM_F_EXCL | |
2679 | NLM_F_REPLACE); |
2680 | + cfg->fc_nlinfo.nlh->nlmsg_flags |= NLM_F_CREATE; |
2681 | nhn++; |
2682 | } |
2683 | |
2684 | diff --git a/net/mac80211/util.c b/net/mac80211/util.c |
2685 | index ca7de02e0a6e..52f9742c438a 100644 |
2686 | --- a/net/mac80211/util.c |
2687 | +++ b/net/mac80211/util.c |
2688 | @@ -943,16 +943,22 @@ u32 ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action, |
2689 | elem_parse_failed = true; |
2690 | break; |
2691 | case WLAN_EID_VHT_OPERATION: |
2692 | - if (elen >= sizeof(struct ieee80211_vht_operation)) |
2693 | + if (elen >= sizeof(struct ieee80211_vht_operation)) { |
2694 | elems->vht_operation = (void *)pos; |
2695 | - else |
2696 | - elem_parse_failed = true; |
2697 | + if (calc_crc) |
2698 | + crc = crc32_be(crc, pos - 2, elen + 2); |
2699 | + break; |
2700 | + } |
2701 | + elem_parse_failed = true; |
2702 | break; |
2703 | case WLAN_EID_OPMODE_NOTIF: |
2704 | - if (elen > 0) |
2705 | + if (elen > 0) { |
2706 | elems->opmode_notif = pos; |
2707 | - else |
2708 | - elem_parse_failed = true; |
2709 | + if (calc_crc) |
2710 | + crc = crc32_be(crc, pos - 2, elen + 2); |
2711 | + break; |
2712 | + } |
2713 | + elem_parse_failed = true; |
2714 | break; |
2715 | case WLAN_EID_MESH_ID: |
2716 | elems->mesh_id = pos; |
2717 | diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c |
2718 | index 025487436438..205865292ba3 100644 |
2719 | --- a/net/netlink/af_netlink.c |
2720 | +++ b/net/netlink/af_netlink.c |
2721 | @@ -1003,7 +1003,8 @@ static int netlink_bind(struct socket *sock, struct sockaddr *addr, |
2722 | if (nlk->netlink_bind && groups) { |
2723 | int group; |
2724 | |
2725 | - for (group = 0; group < nlk->ngroups; group++) { |
2726 | + /* nl_groups is a u32, so cap the maximum groups we can bind */ |
2727 | + for (group = 0; group < BITS_PER_TYPE(u32); group++) { |
2728 | if (!test_bit(group, &groups)) |
2729 | continue; |
2730 | err = nlk->netlink_bind(net, group + 1); |
2731 | @@ -1022,7 +1023,7 @@ static int netlink_bind(struct socket *sock, struct sockaddr *addr, |
2732 | netlink_insert(sk, nladdr->nl_pid) : |
2733 | netlink_autobind(sock); |
2734 | if (err) { |
2735 | - netlink_undo_bind(nlk->ngroups, groups, sk); |
2736 | + netlink_undo_bind(BITS_PER_TYPE(u32), groups, sk); |
2737 | return err; |
2738 | } |
2739 | } |
2740 | diff --git a/net/sched/cls_flower.c b/net/sched/cls_flower.c |
2741 | index de03b7b49e05..18904313bd4e 100644 |
2742 | --- a/net/sched/cls_flower.c |
2743 | +++ b/net/sched/cls_flower.c |
2744 | @@ -141,6 +141,7 @@ static int fl_classify(struct sk_buff *skb, const struct tcf_proto *tp, |
2745 | if (!atomic_read(&head->ht.nelems)) |
2746 | return -1; |
2747 | |
2748 | + flow_dissector_init_keys(&skb_key.control, &skb_key.basic); |
2749 | fl_clear_masked_range(&skb_key, &head->mask); |
2750 | |
2751 | info = skb_tunnel_info(skb); |
2752 | diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c |
2753 | index bfd068679710..1a3c75347f48 100644 |
2754 | --- a/net/sctp/sm_statefuns.c |
2755 | +++ b/net/sctp/sm_statefuns.c |
2756 | @@ -177,6 +177,16 @@ sctp_chunk_length_valid(struct sctp_chunk *chunk, |
2757 | return 1; |
2758 | } |
2759 | |
2760 | +/* Check for format error in an ABORT chunk */ |
2761 | +static inline bool sctp_err_chunk_valid(struct sctp_chunk *chunk) |
2762 | +{ |
2763 | + struct sctp_errhdr *err; |
2764 | + |
2765 | + sctp_walk_errors(err, chunk->chunk_hdr); |
2766 | + |
2767 | + return (void *)err == (void *)chunk->chunk_end; |
2768 | +} |
2769 | + |
2770 | /********************************************************** |
2771 | * These are the state functions for handling chunk events. |
2772 | **********************************************************/ |
2773 | @@ -2159,6 +2169,9 @@ sctp_disposition_t sctp_sf_shutdown_pending_abort( |
2774 | sctp_bind_addr_state(&asoc->base.bind_addr, &chunk->dest)) |
2775 | return sctp_sf_discard_chunk(net, ep, asoc, type, arg, commands); |
2776 | |
2777 | + if (!sctp_err_chunk_valid(chunk)) |
2778 | + return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands); |
2779 | + |
2780 | return __sctp_sf_do_9_1_abort(net, ep, asoc, type, arg, commands); |
2781 | } |
2782 | |
2783 | @@ -2201,6 +2214,9 @@ sctp_disposition_t sctp_sf_shutdown_sent_abort(struct net *net, |
2784 | sctp_bind_addr_state(&asoc->base.bind_addr, &chunk->dest)) |
2785 | return sctp_sf_discard_chunk(net, ep, asoc, type, arg, commands); |
2786 | |
2787 | + if (!sctp_err_chunk_valid(chunk)) |
2788 | + return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands); |
2789 | + |
2790 | /* Stop the T2-shutdown timer. */ |
2791 | sctp_add_cmd_sf(commands, SCTP_CMD_TIMER_STOP, |
2792 | SCTP_TO(SCTP_EVENT_TIMEOUT_T2_SHUTDOWN)); |
2793 | @@ -2466,6 +2482,9 @@ sctp_disposition_t sctp_sf_do_9_1_abort(struct net *net, |
2794 | sctp_bind_addr_state(&asoc->base.bind_addr, &chunk->dest)) |
2795 | return sctp_sf_discard_chunk(net, ep, asoc, type, arg, commands); |
2796 | |
2797 | + if (!sctp_err_chunk_valid(chunk)) |
2798 | + return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands); |
2799 | + |
2800 | return __sctp_sf_do_9_1_abort(net, ep, asoc, type, arg, commands); |
2801 | } |
2802 | |
2803 | @@ -2482,15 +2501,9 @@ static sctp_disposition_t __sctp_sf_do_9_1_abort(struct net *net, |
2804 | |
2805 | /* See if we have an error cause code in the chunk. */ |
2806 | len = ntohs(chunk->chunk_hdr->length); |
2807 | - if (len >= sizeof(struct sctp_chunkhdr) + sizeof(struct sctp_errhdr)) { |
2808 | - |
2809 | - sctp_errhdr_t *err; |
2810 | - sctp_walk_errors(err, chunk->chunk_hdr); |
2811 | - if ((void *)err != (void *)chunk->chunk_end) |
2812 | - return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands); |
2813 | |
2814 | + if (len >= sizeof(struct sctp_chunkhdr) + sizeof(struct sctp_errhdr)) |
2815 | error = ((sctp_errhdr_t *)chunk->skb->data)->cause; |
2816 | - } |
2817 | |
2818 | sctp_add_cmd_sf(commands, SCTP_CMD_SET_SK_ERR, SCTP_ERROR(ECONNRESET)); |
2819 | /* ASSOC_FAILED will DELETE_TCB. */ |
2820 | diff --git a/net/wireless/ethtool.c b/net/wireless/ethtool.c |
2821 | index e9e91298c70d..3cedf2c2b60b 100644 |
2822 | --- a/net/wireless/ethtool.c |
2823 | +++ b/net/wireless/ethtool.c |
2824 | @@ -6,9 +6,13 @@ |
2825 | void cfg80211_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) |
2826 | { |
2827 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
2828 | + struct device *pdev = wiphy_dev(wdev->wiphy); |
2829 | |
2830 | - strlcpy(info->driver, wiphy_dev(wdev->wiphy)->driver->name, |
2831 | - sizeof(info->driver)); |
2832 | + if (pdev->driver) |
2833 | + strlcpy(info->driver, pdev->driver->name, |
2834 | + sizeof(info->driver)); |
2835 | + else |
2836 | + strlcpy(info->driver, "N/A", sizeof(info->driver)); |
2837 | |
2838 | strlcpy(info->version, init_utsname()->release, sizeof(info->version)); |
2839 | |
2840 | diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c |
2841 | index bb19be78aed7..9823bef65e5e 100644 |
2842 | --- a/net/wireless/nl80211.c |
2843 | +++ b/net/wireless/nl80211.c |
2844 | @@ -333,6 +333,7 @@ static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = { |
2845 | [NL80211_ATTR_CONTROL_PORT_ETHERTYPE] = { .type = NLA_U16 }, |
2846 | [NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT] = { .type = NLA_FLAG }, |
2847 | [NL80211_ATTR_PRIVACY] = { .type = NLA_FLAG }, |
2848 | + [NL80211_ATTR_STATUS_CODE] = { .type = NLA_U16 }, |
2849 | [NL80211_ATTR_CIPHER_SUITE_GROUP] = { .type = NLA_U32 }, |
2850 | [NL80211_ATTR_WPA_VERSIONS] = { .type = NLA_U32 }, |
2851 | [NL80211_ATTR_PID] = { .type = NLA_U32 }, |
2852 | diff --git a/sound/soc/codecs/pcm512x.c b/sound/soc/codecs/pcm512x.c |
2853 | index 72b19e62f626..c0807b82399a 100644 |
2854 | --- a/sound/soc/codecs/pcm512x.c |
2855 | +++ b/sound/soc/codecs/pcm512x.c |
2856 | @@ -1441,13 +1441,15 @@ int pcm512x_probe(struct device *dev, struct regmap *regmap) |
2857 | } |
2858 | |
2859 | pcm512x->sclk = devm_clk_get(dev, NULL); |
2860 | - if (PTR_ERR(pcm512x->sclk) == -EPROBE_DEFER) |
2861 | - return -EPROBE_DEFER; |
2862 | + if (PTR_ERR(pcm512x->sclk) == -EPROBE_DEFER) { |
2863 | + ret = -EPROBE_DEFER; |
2864 | + goto err; |
2865 | + } |
2866 | if (!IS_ERR(pcm512x->sclk)) { |
2867 | ret = clk_prepare_enable(pcm512x->sclk); |
2868 | if (ret != 0) { |
2869 | dev_err(dev, "Failed to enable SCLK: %d\n", ret); |
2870 | - return ret; |
2871 | + goto err; |
2872 | } |
2873 | } |
2874 | |
2875 | diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c |
2876 | index 08bfc91c686f..a04672411bef 100644 |
2877 | --- a/sound/soc/soc-dapm.c |
2878 | +++ b/sound/soc/soc-dapm.c |
2879 | @@ -4363,7 +4363,7 @@ static void soc_dapm_shutdown_dapm(struct snd_soc_dapm_context *dapm) |
2880 | continue; |
2881 | if (w->power) { |
2882 | dapm_seq_insert(w, &down_list, false); |
2883 | - w->power = 0; |
2884 | + w->new_power = 0; |
2885 | powerdown = 1; |
2886 | } |
2887 | } |
2888 | diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c |
2889 | index 280bb5cab87f..9df0c8102dc0 100644 |
2890 | --- a/sound/soc/soc-pcm.c |
2891 | +++ b/sound/soc/soc-pcm.c |
2892 | @@ -2979,16 +2979,16 @@ static ssize_t dpcm_show_state(struct snd_soc_pcm_runtime *fe, |
2893 | ssize_t offset = 0; |
2894 | |
2895 | /* FE state */ |
2896 | - offset += snprintf(buf + offset, size - offset, |
2897 | + offset += scnprintf(buf + offset, size - offset, |
2898 | "[%s - %s]\n", fe->dai_link->name, |
2899 | stream ? "Capture" : "Playback"); |
2900 | |
2901 | - offset += snprintf(buf + offset, size - offset, "State: %s\n", |
2902 | + offset += scnprintf(buf + offset, size - offset, "State: %s\n", |
2903 | dpcm_state_string(fe->dpcm[stream].state)); |
2904 | |
2905 | if ((fe->dpcm[stream].state >= SND_SOC_DPCM_STATE_HW_PARAMS) && |
2906 | (fe->dpcm[stream].state <= SND_SOC_DPCM_STATE_STOP)) |
2907 | - offset += snprintf(buf + offset, size - offset, |
2908 | + offset += scnprintf(buf + offset, size - offset, |
2909 | "Hardware Params: " |
2910 | "Format = %s, Channels = %d, Rate = %d\n", |
2911 | snd_pcm_format_name(params_format(params)), |
2912 | @@ -2996,10 +2996,10 @@ static ssize_t dpcm_show_state(struct snd_soc_pcm_runtime *fe, |
2913 | params_rate(params)); |
2914 | |
2915 | /* BEs state */ |
2916 | - offset += snprintf(buf + offset, size - offset, "Backends:\n"); |
2917 | + offset += scnprintf(buf + offset, size - offset, "Backends:\n"); |
2918 | |
2919 | if (list_empty(&fe->dpcm[stream].be_clients)) { |
2920 | - offset += snprintf(buf + offset, size - offset, |
2921 | + offset += scnprintf(buf + offset, size - offset, |
2922 | " No active DSP links\n"); |
2923 | goto out; |
2924 | } |
2925 | @@ -3008,16 +3008,16 @@ static ssize_t dpcm_show_state(struct snd_soc_pcm_runtime *fe, |
2926 | struct snd_soc_pcm_runtime *be = dpcm->be; |
2927 | params = &dpcm->hw_params; |
2928 | |
2929 | - offset += snprintf(buf + offset, size - offset, |
2930 | + offset += scnprintf(buf + offset, size - offset, |
2931 | "- %s\n", be->dai_link->name); |
2932 | |
2933 | - offset += snprintf(buf + offset, size - offset, |
2934 | + offset += scnprintf(buf + offset, size - offset, |
2935 | " State: %s\n", |
2936 | dpcm_state_string(be->dpcm[stream].state)); |
2937 | |
2938 | if ((be->dpcm[stream].state >= SND_SOC_DPCM_STATE_HW_PARAMS) && |
2939 | (be->dpcm[stream].state <= SND_SOC_DPCM_STATE_STOP)) |
2940 | - offset += snprintf(buf + offset, size - offset, |
2941 | + offset += scnprintf(buf + offset, size - offset, |
2942 | " Hardware Params: " |
2943 | "Format = %s, Channels = %d, Rate = %d\n", |
2944 | snd_pcm_format_name(params_format(params)), |
2945 | diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c |
2946 | index a53fef0c673b..ade6abda9f46 100644 |
2947 | --- a/tools/perf/ui/browsers/hists.c |
2948 | +++ b/tools/perf/ui/browsers/hists.c |
2949 | @@ -2930,6 +2930,7 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events, |
2950 | |
2951 | continue; |
2952 | } |
2953 | + actions->ms.map = map; |
2954 | top = pstack__peek(browser->pstack); |
2955 | if (top == &browser->hists->dso_filter) { |
2956 | /* |
2957 | diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c |
2958 | index c0dff5337a50..4e4bb5dd2dcd 100644 |
2959 | --- a/virt/kvm/kvm_main.c |
2960 | +++ b/virt/kvm/kvm_main.c |
2961 | @@ -2045,12 +2045,12 @@ int kvm_write_guest_cached(struct kvm *kvm, struct gfn_to_hva_cache *ghc, |
2962 | if (slots->generation != ghc->generation) |
2963 | kvm_gfn_to_hva_cache_init(kvm, ghc, ghc->gpa, ghc->len); |
2964 | |
2965 | - if (unlikely(!ghc->memslot)) |
2966 | - return kvm_write_guest(kvm, ghc->gpa, data, len); |
2967 | - |
2968 | if (kvm_is_error_hva(ghc->hva)) |
2969 | return -EFAULT; |
2970 | |
2971 | + if (unlikely(!ghc->memslot)) |
2972 | + return kvm_write_guest(kvm, ghc->gpa, data, len); |
2973 | + |
2974 | r = __copy_to_user((void __user *)ghc->hva, data, len); |
2975 | if (r) |
2976 | return -EFAULT; |
2977 | @@ -2071,12 +2071,12 @@ int kvm_read_guest_cached(struct kvm *kvm, struct gfn_to_hva_cache *ghc, |
2978 | if (slots->generation != ghc->generation) |
2979 | kvm_gfn_to_hva_cache_init(kvm, ghc, ghc->gpa, ghc->len); |
2980 | |
2981 | - if (unlikely(!ghc->memslot)) |
2982 | - return kvm_read_guest(kvm, ghc->gpa, data, len); |
2983 | - |
2984 | if (kvm_is_error_hva(ghc->hva)) |
2985 | return -EFAULT; |
2986 | |
2987 | + if (unlikely(!ghc->memslot)) |
2988 | + return kvm_read_guest(kvm, ghc->gpa, data, len); |
2989 | + |
2990 | r = __copy_from_user(data, (void __user *)ghc->hva, len); |
2991 | if (r) |
2992 | return -EFAULT; |