Contents of /trunk/kernel-alx/patches-4.4/0139-4.4.40-all-fixes.patch
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Revision 2875 -
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Mon Mar 27 13:49:16 2017 UTC (7 years, 1 month ago) by niro
File size: 75130 byte(s)
Mon Mar 27 13:49:16 2017 UTC (7 years, 1 month ago) by niro
File size: 75130 byte(s)
linux-4.4.40
1 | diff --git a/Makefile b/Makefile |
2 | index 88d26a632bef..5b5937780408 100644 |
3 | --- a/Makefile |
4 | +++ b/Makefile |
5 | @@ -1,6 +1,6 @@ |
6 | VERSION = 4 |
7 | PATCHLEVEL = 4 |
8 | -SUBLEVEL = 39 |
9 | +SUBLEVEL = 40 |
10 | EXTRAVERSION = |
11 | NAME = Blurry Fish Butt |
12 | |
13 | diff --git a/arch/arm/xen/enlighten.c b/arch/arm/xen/enlighten.c |
14 | index fc7ea529f462..52c8c1f642fe 100644 |
15 | --- a/arch/arm/xen/enlighten.c |
16 | +++ b/arch/arm/xen/enlighten.c |
17 | @@ -239,8 +239,7 @@ static int __init xen_guest_init(void) |
18 | * for secondary CPUs as they are brought up. |
19 | * For uniformity we use VCPUOP_register_vcpu_info even on cpu0. |
20 | */ |
21 | - xen_vcpu_info = __alloc_percpu(sizeof(struct vcpu_info), |
22 | - sizeof(struct vcpu_info)); |
23 | + xen_vcpu_info = alloc_percpu(struct vcpu_info); |
24 | if (xen_vcpu_info == NULL) |
25 | return -ENOMEM; |
26 | |
27 | diff --git a/block/blk-mq.c b/block/blk-mq.c |
28 | index c3e461ec40e4..9f99a01b00e8 100644 |
29 | --- a/block/blk-mq.c |
30 | +++ b/block/blk-mq.c |
31 | @@ -1313,9 +1313,9 @@ static blk_qc_t blk_mq_make_request(struct request_queue *q, struct bio *bio) |
32 | blk_mq_put_ctx(data.ctx); |
33 | if (!old_rq) |
34 | goto done; |
35 | - if (!blk_mq_direct_issue_request(old_rq, &cookie)) |
36 | - goto done; |
37 | - blk_mq_insert_request(old_rq, false, true, true); |
38 | + if (test_bit(BLK_MQ_S_STOPPED, &data.hctx->state) || |
39 | + blk_mq_direct_issue_request(old_rq, &cookie) != 0) |
40 | + blk_mq_insert_request(old_rq, false, true, true); |
41 | goto done; |
42 | } |
43 | |
44 | diff --git a/drivers/base/core.c b/drivers/base/core.c |
45 | index b7d56c5ea3c6..f18856f5954b 100644 |
46 | --- a/drivers/base/core.c |
47 | +++ b/drivers/base/core.c |
48 | @@ -836,11 +836,29 @@ static struct kobject *get_device_parent(struct device *dev, |
49 | return NULL; |
50 | } |
51 | |
52 | +static inline bool live_in_glue_dir(struct kobject *kobj, |
53 | + struct device *dev) |
54 | +{ |
55 | + if (!kobj || !dev->class || |
56 | + kobj->kset != &dev->class->p->glue_dirs) |
57 | + return false; |
58 | + return true; |
59 | +} |
60 | + |
61 | +static inline struct kobject *get_glue_dir(struct device *dev) |
62 | +{ |
63 | + return dev->kobj.parent; |
64 | +} |
65 | + |
66 | +/* |
67 | + * make sure cleaning up dir as the last step, we need to make |
68 | + * sure .release handler of kobject is run with holding the |
69 | + * global lock |
70 | + */ |
71 | static void cleanup_glue_dir(struct device *dev, struct kobject *glue_dir) |
72 | { |
73 | /* see if we live in a "glue" directory */ |
74 | - if (!glue_dir || !dev->class || |
75 | - glue_dir->kset != &dev->class->p->glue_dirs) |
76 | + if (!live_in_glue_dir(glue_dir, dev)) |
77 | return; |
78 | |
79 | mutex_lock(&gdp_mutex); |
80 | @@ -848,11 +866,6 @@ static void cleanup_glue_dir(struct device *dev, struct kobject *glue_dir) |
81 | mutex_unlock(&gdp_mutex); |
82 | } |
83 | |
84 | -static void cleanup_device_parent(struct device *dev) |
85 | -{ |
86 | - cleanup_glue_dir(dev, dev->kobj.parent); |
87 | -} |
88 | - |
89 | static int device_add_class_symlinks(struct device *dev) |
90 | { |
91 | struct device_node *of_node = dev_of_node(dev); |
92 | @@ -1028,6 +1041,7 @@ int device_add(struct device *dev) |
93 | struct kobject *kobj; |
94 | struct class_interface *class_intf; |
95 | int error = -EINVAL; |
96 | + struct kobject *glue_dir = NULL; |
97 | |
98 | dev = get_device(dev); |
99 | if (!dev) |
100 | @@ -1072,8 +1086,10 @@ int device_add(struct device *dev) |
101 | /* first, register with generic layer. */ |
102 | /* we require the name to be set before, and pass NULL */ |
103 | error = kobject_add(&dev->kobj, dev->kobj.parent, NULL); |
104 | - if (error) |
105 | + if (error) { |
106 | + glue_dir = get_glue_dir(dev); |
107 | goto Error; |
108 | + } |
109 | |
110 | /* notify platform of device entry */ |
111 | if (platform_notify) |
112 | @@ -1154,9 +1170,10 @@ done: |
113 | device_remove_file(dev, &dev_attr_uevent); |
114 | attrError: |
115 | kobject_uevent(&dev->kobj, KOBJ_REMOVE); |
116 | + glue_dir = get_glue_dir(dev); |
117 | kobject_del(&dev->kobj); |
118 | Error: |
119 | - cleanup_device_parent(dev); |
120 | + cleanup_glue_dir(dev, glue_dir); |
121 | put_device(parent); |
122 | name_error: |
123 | kfree(dev->p); |
124 | @@ -1232,6 +1249,7 @@ EXPORT_SYMBOL_GPL(put_device); |
125 | void device_del(struct device *dev) |
126 | { |
127 | struct device *parent = dev->parent; |
128 | + struct kobject *glue_dir = NULL; |
129 | struct class_interface *class_intf; |
130 | |
131 | /* Notify clients of device removal. This call must come |
132 | @@ -1276,8 +1294,9 @@ void device_del(struct device *dev) |
133 | blocking_notifier_call_chain(&dev->bus->p->bus_notifier, |
134 | BUS_NOTIFY_REMOVED_DEVICE, dev); |
135 | kobject_uevent(&dev->kobj, KOBJ_REMOVE); |
136 | - cleanup_device_parent(dev); |
137 | + glue_dir = get_glue_dir(dev); |
138 | kobject_del(&dev->kobj); |
139 | + cleanup_glue_dir(dev, glue_dir); |
140 | put_device(parent); |
141 | } |
142 | EXPORT_SYMBOL_GPL(device_del); |
143 | diff --git a/drivers/block/loop.c b/drivers/block/loop.c |
144 | index 80cf8add46ff..ab0b2dd3f629 100644 |
145 | --- a/drivers/block/loop.c |
146 | +++ b/drivers/block/loop.c |
147 | @@ -1657,7 +1657,7 @@ static int loop_queue_rq(struct blk_mq_hw_ctx *hctx, |
148 | blk_mq_start_request(bd->rq); |
149 | |
150 | if (lo->lo_state != Lo_bound) |
151 | - return -EIO; |
152 | + return BLK_MQ_RQ_QUEUE_ERROR; |
153 | |
154 | if (lo->use_dio && !(cmd->rq->cmd_flags & (REQ_FLUSH | |
155 | REQ_DISCARD))) |
156 | diff --git a/drivers/char/tpm/xen-tpmfront.c b/drivers/char/tpm/xen-tpmfront.c |
157 | index 3111f2778079..849f2e29c243 100644 |
158 | --- a/drivers/char/tpm/xen-tpmfront.c |
159 | +++ b/drivers/char/tpm/xen-tpmfront.c |
160 | @@ -305,7 +305,6 @@ static int tpmfront_probe(struct xenbus_device *dev, |
161 | rv = setup_ring(dev, priv); |
162 | if (rv) { |
163 | chip = dev_get_drvdata(&dev->dev); |
164 | - tpm_chip_unregister(chip); |
165 | ring_free(priv); |
166 | return rv; |
167 | } |
168 | diff --git a/drivers/clk/ti/clk-3xxx.c b/drivers/clk/ti/clk-3xxx.c |
169 | index 8831e1a05367..11d8aa3ec186 100644 |
170 | --- a/drivers/clk/ti/clk-3xxx.c |
171 | +++ b/drivers/clk/ti/clk-3xxx.c |
172 | @@ -22,13 +22,6 @@ |
173 | |
174 | #include "clock.h" |
175 | |
176 | -/* |
177 | - * DPLL5_FREQ_FOR_USBHOST: USBHOST and USBTLL are the only clocks |
178 | - * that are sourced by DPLL5, and both of these require this clock |
179 | - * to be at 120 MHz for proper operation. |
180 | - */ |
181 | -#define DPLL5_FREQ_FOR_USBHOST 120000000 |
182 | - |
183 | #define OMAP3430ES2_ST_DSS_IDLE_SHIFT 1 |
184 | #define OMAP3430ES2_ST_HSOTGUSB_IDLE_SHIFT 5 |
185 | #define OMAP3430ES2_ST_SSI_IDLE_SHIFT 8 |
186 | @@ -546,14 +539,21 @@ void __init omap3_clk_lock_dpll5(void) |
187 | struct clk *dpll5_clk; |
188 | struct clk *dpll5_m2_clk; |
189 | |
190 | + /* |
191 | + * Errata sprz319f advisory 2.1 documents a USB host clock drift issue |
192 | + * that can be worked around using specially crafted dpll5 settings |
193 | + * with a dpll5_m2 divider set to 8. Set the dpll5 rate to 8x the USB |
194 | + * host clock rate, its .set_rate handler() will detect that frequency |
195 | + * and use the errata settings. |
196 | + */ |
197 | dpll5_clk = clk_get(NULL, "dpll5_ck"); |
198 | - clk_set_rate(dpll5_clk, DPLL5_FREQ_FOR_USBHOST); |
199 | + clk_set_rate(dpll5_clk, OMAP3_DPLL5_FREQ_FOR_USBHOST * 8); |
200 | clk_prepare_enable(dpll5_clk); |
201 | |
202 | - /* Program dpll5_m2_clk divider for no division */ |
203 | + /* Program dpll5_m2_clk divider */ |
204 | dpll5_m2_clk = clk_get(NULL, "dpll5_m2_ck"); |
205 | clk_prepare_enable(dpll5_m2_clk); |
206 | - clk_set_rate(dpll5_m2_clk, DPLL5_FREQ_FOR_USBHOST); |
207 | + clk_set_rate(dpll5_m2_clk, OMAP3_DPLL5_FREQ_FOR_USBHOST); |
208 | |
209 | clk_disable_unprepare(dpll5_m2_clk); |
210 | clk_disable_unprepare(dpll5_clk); |
211 | diff --git a/drivers/clk/ti/clock.h b/drivers/clk/ti/clock.h |
212 | index 90f3f472ae1c..13c37f48d9d6 100644 |
213 | --- a/drivers/clk/ti/clock.h |
214 | +++ b/drivers/clk/ti/clock.h |
215 | @@ -257,11 +257,20 @@ long omap2_dpll_round_rate(struct clk_hw *hw, unsigned long target_rate, |
216 | unsigned long omap3_clkoutx2_recalc(struct clk_hw *hw, |
217 | unsigned long parent_rate); |
218 | |
219 | +/* |
220 | + * OMAP3_DPLL5_FREQ_FOR_USBHOST: USBHOST and USBTLL are the only clocks |
221 | + * that are sourced by DPLL5, and both of these require this clock |
222 | + * to be at 120 MHz for proper operation. |
223 | + */ |
224 | +#define OMAP3_DPLL5_FREQ_FOR_USBHOST 120000000 |
225 | + |
226 | unsigned long omap3_dpll_recalc(struct clk_hw *hw, unsigned long parent_rate); |
227 | int omap3_dpll4_set_rate(struct clk_hw *clk, unsigned long rate, |
228 | unsigned long parent_rate); |
229 | int omap3_dpll4_set_rate_and_parent(struct clk_hw *hw, unsigned long rate, |
230 | unsigned long parent_rate, u8 index); |
231 | +int omap3_dpll5_set_rate(struct clk_hw *hw, unsigned long rate, |
232 | + unsigned long parent_rate); |
233 | void omap3_clk_lock_dpll5(void); |
234 | |
235 | unsigned long omap4_dpll_regm4xen_recalc(struct clk_hw *hw, |
236 | diff --git a/drivers/clk/ti/dpll.c b/drivers/clk/ti/dpll.c |
237 | index 5519b386edc0..f9a5089ddc79 100644 |
238 | --- a/drivers/clk/ti/dpll.c |
239 | +++ b/drivers/clk/ti/dpll.c |
240 | @@ -114,6 +114,18 @@ static const struct clk_ops omap3_dpll_ck_ops = { |
241 | .round_rate = &omap2_dpll_round_rate, |
242 | }; |
243 | |
244 | +static const struct clk_ops omap3_dpll5_ck_ops = { |
245 | + .enable = &omap3_noncore_dpll_enable, |
246 | + .disable = &omap3_noncore_dpll_disable, |
247 | + .get_parent = &omap2_init_dpll_parent, |
248 | + .recalc_rate = &omap3_dpll_recalc, |
249 | + .set_rate = &omap3_dpll5_set_rate, |
250 | + .set_parent = &omap3_noncore_dpll_set_parent, |
251 | + .set_rate_and_parent = &omap3_noncore_dpll_set_rate_and_parent, |
252 | + .determine_rate = &omap3_noncore_dpll_determine_rate, |
253 | + .round_rate = &omap2_dpll_round_rate, |
254 | +}; |
255 | + |
256 | static const struct clk_ops omap3_dpll_per_ck_ops = { |
257 | .enable = &omap3_noncore_dpll_enable, |
258 | .disable = &omap3_noncore_dpll_disable, |
259 | @@ -461,7 +473,12 @@ static void __init of_ti_omap3_dpll_setup(struct device_node *node) |
260 | .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED), |
261 | }; |
262 | |
263 | - of_ti_dpll_setup(node, &omap3_dpll_ck_ops, &dd); |
264 | + if ((of_machine_is_compatible("ti,omap3630") || |
265 | + of_machine_is_compatible("ti,omap36xx")) && |
266 | + !strcmp(node->name, "dpll5_ck")) |
267 | + of_ti_dpll_setup(node, &omap3_dpll5_ck_ops, &dd); |
268 | + else |
269 | + of_ti_dpll_setup(node, &omap3_dpll_ck_ops, &dd); |
270 | } |
271 | CLK_OF_DECLARE(ti_omap3_dpll_clock, "ti,omap3-dpll-clock", |
272 | of_ti_omap3_dpll_setup); |
273 | diff --git a/drivers/clk/ti/dpll3xxx.c b/drivers/clk/ti/dpll3xxx.c |
274 | index f4dec00fb684..0e9119fae760 100644 |
275 | --- a/drivers/clk/ti/dpll3xxx.c |
276 | +++ b/drivers/clk/ti/dpll3xxx.c |
277 | @@ -815,3 +815,70 @@ int omap3_dpll4_set_rate_and_parent(struct clk_hw *hw, unsigned long rate, |
278 | return omap3_noncore_dpll_set_rate_and_parent(hw, rate, parent_rate, |
279 | index); |
280 | } |
281 | + |
282 | +/* Apply DM3730 errata sprz319 advisory 2.1. */ |
283 | +static bool omap3_dpll5_apply_errata(struct clk_hw *hw, |
284 | + unsigned long parent_rate) |
285 | +{ |
286 | + struct omap3_dpll5_settings { |
287 | + unsigned int rate, m, n; |
288 | + }; |
289 | + |
290 | + static const struct omap3_dpll5_settings precomputed[] = { |
291 | + /* |
292 | + * From DM3730 errata advisory 2.1, table 35 and 36. |
293 | + * The N value is increased by 1 compared to the tables as the |
294 | + * errata lists register values while last_rounded_field is the |
295 | + * real divider value. |
296 | + */ |
297 | + { 12000000, 80, 0 + 1 }, |
298 | + { 13000000, 443, 5 + 1 }, |
299 | + { 19200000, 50, 0 + 1 }, |
300 | + { 26000000, 443, 11 + 1 }, |
301 | + { 38400000, 25, 0 + 1 } |
302 | + }; |
303 | + |
304 | + const struct omap3_dpll5_settings *d; |
305 | + struct clk_hw_omap *clk = to_clk_hw_omap(hw); |
306 | + struct dpll_data *dd; |
307 | + unsigned int i; |
308 | + |
309 | + for (i = 0; i < ARRAY_SIZE(precomputed); ++i) { |
310 | + if (parent_rate == precomputed[i].rate) |
311 | + break; |
312 | + } |
313 | + |
314 | + if (i == ARRAY_SIZE(precomputed)) |
315 | + return false; |
316 | + |
317 | + d = &precomputed[i]; |
318 | + |
319 | + /* Update the M, N and rounded rate values and program the DPLL. */ |
320 | + dd = clk->dpll_data; |
321 | + dd->last_rounded_m = d->m; |
322 | + dd->last_rounded_n = d->n; |
323 | + dd->last_rounded_rate = div_u64((u64)parent_rate * d->m, d->n); |
324 | + omap3_noncore_dpll_program(clk, 0); |
325 | + |
326 | + return true; |
327 | +} |
328 | + |
329 | +/** |
330 | + * omap3_dpll5_set_rate - set rate for omap3 dpll5 |
331 | + * @hw: clock to change |
332 | + * @rate: target rate for clock |
333 | + * @parent_rate: rate of the parent clock |
334 | + * |
335 | + * Set rate for the DPLL5 clock. Apply the sprz319 advisory 2.1 on OMAP36xx if |
336 | + * the DPLL is used for USB host (detected through the requested rate). |
337 | + */ |
338 | +int omap3_dpll5_set_rate(struct clk_hw *hw, unsigned long rate, |
339 | + unsigned long parent_rate) |
340 | +{ |
341 | + if (rate == OMAP3_DPLL5_FREQ_FOR_USBHOST * 8) { |
342 | + if (omap3_dpll5_apply_errata(hw, parent_rate)) |
343 | + return 0; |
344 | + } |
345 | + |
346 | + return omap3_noncore_dpll_set_rate(hw, rate, parent_rate); |
347 | +} |
348 | diff --git a/drivers/crypto/caam/caamalg.c b/drivers/crypto/caam/caamalg.c |
349 | index 2cde3796cb82..f3307fc38e79 100644 |
350 | --- a/drivers/crypto/caam/caamalg.c |
351 | +++ b/drivers/crypto/caam/caamalg.c |
352 | @@ -702,7 +702,9 @@ copy_iv: |
353 | |
354 | /* Will read cryptlen */ |
355 | append_math_add(desc, VARSEQINLEN, SEQINLEN, REG0, CAAM_CMD_SZ); |
356 | - aead_append_src_dst(desc, FIFOLD_TYPE_MSG1OUT2); |
357 | + append_seq_fifo_load(desc, 0, FIFOLD_CLASS_BOTH | KEY_VLF | |
358 | + FIFOLD_TYPE_MSG1OUT2 | FIFOLD_TYPE_LASTBOTH); |
359 | + append_seq_fifo_store(desc, 0, FIFOST_TYPE_MESSAGE_DATA | KEY_VLF); |
360 | |
361 | /* Write ICV */ |
362 | append_seq_store(desc, ctx->authsize, LDST_CLASS_2_CCB | |
363 | diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c |
364 | index 5cac11d7a876..de628883ee3d 100644 |
365 | --- a/drivers/md/dm-crypt.c |
366 | +++ b/drivers/md/dm-crypt.c |
367 | @@ -1500,12 +1500,15 @@ static int crypt_set_key(struct crypt_config *cc, char *key) |
368 | if (!cc->key_size && strcmp(key, "-")) |
369 | goto out; |
370 | |
371 | + /* clear the flag since following operations may invalidate previously valid key */ |
372 | + clear_bit(DM_CRYPT_KEY_VALID, &cc->flags); |
373 | + |
374 | if (cc->key_size && crypt_decode_key(cc->key, key, cc->key_size) < 0) |
375 | goto out; |
376 | |
377 | - set_bit(DM_CRYPT_KEY_VALID, &cc->flags); |
378 | - |
379 | r = crypt_setkey_allcpus(cc); |
380 | + if (!r) |
381 | + set_bit(DM_CRYPT_KEY_VALID, &cc->flags); |
382 | |
383 | out: |
384 | /* Hex key string not needed after here, so wipe it. */ |
385 | diff --git a/drivers/md/dm-flakey.c b/drivers/md/dm-flakey.c |
386 | index 8e9e928dafba..78f403b45ab3 100644 |
387 | --- a/drivers/md/dm-flakey.c |
388 | +++ b/drivers/md/dm-flakey.c |
389 | @@ -200,11 +200,13 @@ static int flakey_ctr(struct dm_target *ti, unsigned int argc, char **argv) |
390 | |
391 | if (!(fc->up_interval + fc->down_interval)) { |
392 | ti->error = "Total (up + down) interval is zero"; |
393 | + r = -EINVAL; |
394 | goto bad; |
395 | } |
396 | |
397 | if (fc->up_interval + fc->down_interval < fc->up_interval) { |
398 | ti->error = "Interval overflow"; |
399 | + r = -EINVAL; |
400 | goto bad; |
401 | } |
402 | |
403 | diff --git a/drivers/md/persistent-data/dm-space-map-metadata.c b/drivers/md/persistent-data/dm-space-map-metadata.c |
404 | index 7e44005595c1..20557e2c60c6 100644 |
405 | --- a/drivers/md/persistent-data/dm-space-map-metadata.c |
406 | +++ b/drivers/md/persistent-data/dm-space-map-metadata.c |
407 | @@ -775,17 +775,15 @@ int dm_sm_metadata_create(struct dm_space_map *sm, |
408 | memcpy(&smm->sm, &bootstrap_ops, sizeof(smm->sm)); |
409 | |
410 | r = sm_ll_new_metadata(&smm->ll, tm); |
411 | + if (!r) { |
412 | + if (nr_blocks > DM_SM_METADATA_MAX_BLOCKS) |
413 | + nr_blocks = DM_SM_METADATA_MAX_BLOCKS; |
414 | + r = sm_ll_extend(&smm->ll, nr_blocks); |
415 | + } |
416 | + memcpy(&smm->sm, &ops, sizeof(smm->sm)); |
417 | if (r) |
418 | return r; |
419 | |
420 | - if (nr_blocks > DM_SM_METADATA_MAX_BLOCKS) |
421 | - nr_blocks = DM_SM_METADATA_MAX_BLOCKS; |
422 | - r = sm_ll_extend(&smm->ll, nr_blocks); |
423 | - if (r) |
424 | - return r; |
425 | - |
426 | - memcpy(&smm->sm, &ops, sizeof(smm->sm)); |
427 | - |
428 | /* |
429 | * Now we need to update the newly created data structures with the |
430 | * allocated blocks that they were built from. |
431 | diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c |
432 | index 174e06ec7c2f..e5bb870b5461 100644 |
433 | --- a/drivers/net/ppp/ppp_generic.c |
434 | +++ b/drivers/net/ppp/ppp_generic.c |
435 | @@ -2390,8 +2390,6 @@ ppp_unregister_channel(struct ppp_channel *chan) |
436 | spin_lock_bh(&pn->all_channels_lock); |
437 | list_del(&pch->list); |
438 | spin_unlock_bh(&pn->all_channels_lock); |
439 | - put_net(pch->chan_net); |
440 | - pch->chan_net = NULL; |
441 | |
442 | pch->file.dead = 1; |
443 | wake_up_interruptible(&pch->file.rwait); |
444 | @@ -2984,6 +2982,9 @@ ppp_disconnect_channel(struct channel *pch) |
445 | */ |
446 | static void ppp_destroy_channel(struct channel *pch) |
447 | { |
448 | + put_net(pch->chan_net); |
449 | + pch->chan_net = NULL; |
450 | + |
451 | atomic_dec(&channel_count); |
452 | |
453 | if (!pch->file.dead) { |
454 | diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c |
455 | index 4d77745f439f..96849e2e7435 100644 |
456 | --- a/drivers/usb/class/cdc-acm.c |
457 | +++ b/drivers/usb/class/cdc-acm.c |
458 | @@ -1708,6 +1708,7 @@ static const struct usb_device_id acm_ids[] = { |
459 | { USB_DEVICE(0x20df, 0x0001), /* Simtec Electronics Entropy Key */ |
460 | .driver_info = QUIRK_CONTROL_LINE_STATE, }, |
461 | { USB_DEVICE(0x2184, 0x001c) }, /* GW Instek AFG-2225 */ |
462 | + { USB_DEVICE(0x2184, 0x0036) }, /* GW Instek AFG-125 */ |
463 | { USB_DEVICE(0x22b8, 0x6425), /* Motorola MOTOMAGX phones */ |
464 | }, |
465 | /* Motorola H24 HSPA module: */ |
466 | diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c |
467 | index bcc1e1b729ad..496d6a558793 100644 |
468 | --- a/drivers/usb/core/hub.c |
469 | +++ b/drivers/usb/core/hub.c |
470 | @@ -101,6 +101,8 @@ EXPORT_SYMBOL_GPL(ehci_cf_port_reset_rwsem); |
471 | |
472 | static void hub_release(struct kref *kref); |
473 | static int usb_reset_and_verify_device(struct usb_device *udev); |
474 | +static void hub_usb3_port_prepare_disable(struct usb_hub *hub, |
475 | + struct usb_port *port_dev); |
476 | |
477 | static inline char *portspeed(struct usb_hub *hub, int portstatus) |
478 | { |
479 | @@ -883,82 +885,28 @@ static int hub_set_port_link_state(struct usb_hub *hub, int port1, |
480 | } |
481 | |
482 | /* |
483 | - * If USB 3.0 ports are placed into the Disabled state, they will no longer |
484 | - * detect any device connects or disconnects. This is generally not what the |
485 | - * USB core wants, since it expects a disabled port to produce a port status |
486 | - * change event when a new device connects. |
487 | - * |
488 | - * Instead, set the link state to Disabled, wait for the link to settle into |
489 | - * that state, clear any change bits, and then put the port into the RxDetect |
490 | - * state. |
491 | + * USB-3 does not have a similar link state as USB-2 that will avoid negotiating |
492 | + * a connection with a plugged-in cable but will signal the host when the cable |
493 | + * is unplugged. Disable remote wake and set link state to U3 for USB-3 devices |
494 | */ |
495 | -static int hub_usb3_port_disable(struct usb_hub *hub, int port1) |
496 | -{ |
497 | - int ret; |
498 | - int total_time; |
499 | - u16 portchange, portstatus; |
500 | - |
501 | - if (!hub_is_superspeed(hub->hdev)) |
502 | - return -EINVAL; |
503 | - |
504 | - ret = hub_port_status(hub, port1, &portstatus, &portchange); |
505 | - if (ret < 0) |
506 | - return ret; |
507 | - |
508 | - /* |
509 | - * USB controller Advanced Micro Devices, Inc. [AMD] FCH USB XHCI |
510 | - * Controller [1022:7814] will have spurious result making the following |
511 | - * usb 3.0 device hotplugging route to the 2.0 root hub and recognized |
512 | - * as high-speed device if we set the usb 3.0 port link state to |
513 | - * Disabled. Since it's already in USB_SS_PORT_LS_RX_DETECT state, we |
514 | - * check the state here to avoid the bug. |
515 | - */ |
516 | - if ((portstatus & USB_PORT_STAT_LINK_STATE) == |
517 | - USB_SS_PORT_LS_RX_DETECT) { |
518 | - dev_dbg(&hub->ports[port1 - 1]->dev, |
519 | - "Not disabling port; link state is RxDetect\n"); |
520 | - return ret; |
521 | - } |
522 | - |
523 | - ret = hub_set_port_link_state(hub, port1, USB_SS_PORT_LS_SS_DISABLED); |
524 | - if (ret) |
525 | - return ret; |
526 | - |
527 | - /* Wait for the link to enter the disabled state. */ |
528 | - for (total_time = 0; ; total_time += HUB_DEBOUNCE_STEP) { |
529 | - ret = hub_port_status(hub, port1, &portstatus, &portchange); |
530 | - if (ret < 0) |
531 | - return ret; |
532 | - |
533 | - if ((portstatus & USB_PORT_STAT_LINK_STATE) == |
534 | - USB_SS_PORT_LS_SS_DISABLED) |
535 | - break; |
536 | - if (total_time >= HUB_DEBOUNCE_TIMEOUT) |
537 | - break; |
538 | - msleep(HUB_DEBOUNCE_STEP); |
539 | - } |
540 | - if (total_time >= HUB_DEBOUNCE_TIMEOUT) |
541 | - dev_warn(&hub->ports[port1 - 1]->dev, |
542 | - "Could not disable after %d ms\n", total_time); |
543 | - |
544 | - return hub_set_port_link_state(hub, port1, USB_SS_PORT_LS_RX_DETECT); |
545 | -} |
546 | - |
547 | static int hub_port_disable(struct usb_hub *hub, int port1, int set_state) |
548 | { |
549 | struct usb_port *port_dev = hub->ports[port1 - 1]; |
550 | struct usb_device *hdev = hub->hdev; |
551 | int ret = 0; |
552 | |
553 | - if (port_dev->child && set_state) |
554 | - usb_set_device_state(port_dev->child, USB_STATE_NOTATTACHED); |
555 | if (!hub->error) { |
556 | - if (hub_is_superspeed(hub->hdev)) |
557 | - ret = hub_usb3_port_disable(hub, port1); |
558 | - else |
559 | + if (hub_is_superspeed(hub->hdev)) { |
560 | + hub_usb3_port_prepare_disable(hub, port_dev); |
561 | + ret = hub_set_port_link_state(hub, port_dev->portnum, |
562 | + USB_SS_PORT_LS_U3); |
563 | + } else { |
564 | ret = usb_clear_port_feature(hdev, port1, |
565 | USB_PORT_FEAT_ENABLE); |
566 | + } |
567 | } |
568 | + if (port_dev->child && set_state) |
569 | + usb_set_device_state(port_dev->child, USB_STATE_NOTATTACHED); |
570 | if (ret && ret != -ENODEV) |
571 | dev_err(&port_dev->dev, "cannot disable (err = %d)\n", ret); |
572 | return ret; |
573 | @@ -4073,6 +4021,26 @@ void usb_unlocked_enable_lpm(struct usb_device *udev) |
574 | } |
575 | EXPORT_SYMBOL_GPL(usb_unlocked_enable_lpm); |
576 | |
577 | +/* usb3 devices use U3 for disabled, make sure remote wakeup is disabled */ |
578 | +static void hub_usb3_port_prepare_disable(struct usb_hub *hub, |
579 | + struct usb_port *port_dev) |
580 | +{ |
581 | + struct usb_device *udev = port_dev->child; |
582 | + int ret; |
583 | + |
584 | + if (udev && udev->port_is_suspended && udev->do_remote_wakeup) { |
585 | + ret = hub_set_port_link_state(hub, port_dev->portnum, |
586 | + USB_SS_PORT_LS_U0); |
587 | + if (!ret) { |
588 | + msleep(USB_RESUME_TIMEOUT); |
589 | + ret = usb_disable_remote_wakeup(udev); |
590 | + } |
591 | + if (ret) |
592 | + dev_warn(&udev->dev, |
593 | + "Port disable: can't disable remote wake\n"); |
594 | + udev->do_remote_wakeup = 0; |
595 | + } |
596 | +} |
597 | |
598 | #else /* CONFIG_PM */ |
599 | |
600 | @@ -4080,6 +4048,9 @@ EXPORT_SYMBOL_GPL(usb_unlocked_enable_lpm); |
601 | #define hub_resume NULL |
602 | #define hub_reset_resume NULL |
603 | |
604 | +static inline void hub_usb3_port_prepare_disable(struct usb_hub *hub, |
605 | + struct usb_port *port_dev) { } |
606 | + |
607 | int usb_disable_lpm(struct usb_device *udev) |
608 | { |
609 | return 0; |
610 | diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c |
611 | index 8b14c2a13ac5..739b5e2d8adb 100644 |
612 | --- a/drivers/usb/gadget/composite.c |
613 | +++ b/drivers/usb/gadget/composite.c |
614 | @@ -144,11 +144,16 @@ int config_ep_by_speed(struct usb_gadget *g, |
615 | |
616 | ep_found: |
617 | /* commit results */ |
618 | - _ep->maxpacket = usb_endpoint_maxp(chosen_desc); |
619 | + _ep->maxpacket = usb_endpoint_maxp(chosen_desc) & 0x7ff; |
620 | _ep->desc = chosen_desc; |
621 | _ep->comp_desc = NULL; |
622 | _ep->maxburst = 0; |
623 | - _ep->mult = 0; |
624 | + _ep->mult = 1; |
625 | + |
626 | + if (g->speed == USB_SPEED_HIGH && (usb_endpoint_xfer_isoc(_ep->desc) || |
627 | + usb_endpoint_xfer_int(_ep->desc))) |
628 | + _ep->mult = usb_endpoint_maxp(_ep->desc) & 0x7ff; |
629 | + |
630 | if (!want_comp_desc) |
631 | return 0; |
632 | |
633 | @@ -165,7 +170,7 @@ ep_found: |
634 | switch (usb_endpoint_type(_ep->desc)) { |
635 | case USB_ENDPOINT_XFER_ISOC: |
636 | /* mult: bits 1:0 of bmAttributes */ |
637 | - _ep->mult = comp_desc->bmAttributes & 0x3; |
638 | + _ep->mult = (comp_desc->bmAttributes & 0x3) + 1; |
639 | case USB_ENDPOINT_XFER_BULK: |
640 | case USB_ENDPOINT_XFER_INT: |
641 | _ep->maxburst = comp_desc->bMaxBurst + 1; |
642 | diff --git a/drivers/usb/gadget/function/f_uac2.c b/drivers/usb/gadget/function/f_uac2.c |
643 | index 12628dd36e55..12064d3bddf6 100644 |
644 | --- a/drivers/usb/gadget/function/f_uac2.c |
645 | +++ b/drivers/usb/gadget/function/f_uac2.c |
646 | @@ -1079,13 +1079,13 @@ afunc_bind(struct usb_configuration *cfg, struct usb_function *fn) |
647 | agdev->out_ep = usb_ep_autoconfig(gadget, &fs_epout_desc); |
648 | if (!agdev->out_ep) { |
649 | dev_err(dev, "%s:%d Error!\n", __func__, __LINE__); |
650 | - goto err; |
651 | + return ret; |
652 | } |
653 | |
654 | agdev->in_ep = usb_ep_autoconfig(gadget, &fs_epin_desc); |
655 | if (!agdev->in_ep) { |
656 | dev_err(dev, "%s:%d Error!\n", __func__, __LINE__); |
657 | - goto err; |
658 | + return ret; |
659 | } |
660 | |
661 | uac2->p_prm.uac2 = uac2; |
662 | @@ -1102,7 +1102,7 @@ afunc_bind(struct usb_configuration *cfg, struct usb_function *fn) |
663 | |
664 | ret = usb_assign_descriptors(fn, fs_audio_desc, hs_audio_desc, NULL); |
665 | if (ret) |
666 | - goto err; |
667 | + return ret; |
668 | |
669 | prm = &agdev->uac2.c_prm; |
670 | prm->max_psize = hs_epout_desc.wMaxPacketSize; |
671 | @@ -1117,19 +1117,19 @@ afunc_bind(struct usb_configuration *cfg, struct usb_function *fn) |
672 | prm->rbuf = kzalloc(prm->max_psize * USB_XFERS, GFP_KERNEL); |
673 | if (!prm->rbuf) { |
674 | prm->max_psize = 0; |
675 | - goto err_free_descs; |
676 | + goto err; |
677 | } |
678 | |
679 | ret = alsa_uac2_init(agdev); |
680 | if (ret) |
681 | - goto err_free_descs; |
682 | + goto err; |
683 | return 0; |
684 | |
685 | -err_free_descs: |
686 | - usb_free_all_descriptors(fn); |
687 | err: |
688 | kfree(agdev->uac2.p_prm.rbuf); |
689 | kfree(agdev->uac2.c_prm.rbuf); |
690 | +err_free_descs: |
691 | + usb_free_all_descriptors(fn); |
692 | return -EINVAL; |
693 | } |
694 | |
695 | diff --git a/drivers/usb/gadget/function/uvc_video.c b/drivers/usb/gadget/function/uvc_video.c |
696 | index 3d0d5d94a62f..0f01c04d7cbd 100644 |
697 | --- a/drivers/usb/gadget/function/uvc_video.c |
698 | +++ b/drivers/usb/gadget/function/uvc_video.c |
699 | @@ -243,7 +243,7 @@ uvc_video_alloc_requests(struct uvc_video *video) |
700 | |
701 | req_size = video->ep->maxpacket |
702 | * max_t(unsigned int, video->ep->maxburst, 1) |
703 | - * (video->ep->mult + 1); |
704 | + * (video->ep->mult); |
705 | |
706 | for (i = 0; i < UVC_NUM_REQUESTS; ++i) { |
707 | video->req_buffer[i] = kmalloc(req_size, GFP_KERNEL); |
708 | diff --git a/drivers/usb/host/uhci-pci.c b/drivers/usb/host/uhci-pci.c |
709 | index 940304c33224..02260cfdedb1 100644 |
710 | --- a/drivers/usb/host/uhci-pci.c |
711 | +++ b/drivers/usb/host/uhci-pci.c |
712 | @@ -129,6 +129,10 @@ static int uhci_pci_init(struct usb_hcd *hcd) |
713 | if (to_pci_dev(uhci_dev(uhci))->vendor == PCI_VENDOR_ID_HP) |
714 | uhci->wait_for_hp = 1; |
715 | |
716 | + /* Intel controllers use non-PME wakeup signalling */ |
717 | + if (to_pci_dev(uhci_dev(uhci))->vendor == PCI_VENDOR_ID_INTEL) |
718 | + device_set_run_wake(uhci_dev(uhci), 1); |
719 | + |
720 | /* Set up pointers to PCI-specific functions */ |
721 | uhci->reset_hc = uhci_pci_reset_hc; |
722 | uhci->check_and_reset_hc = uhci_pci_check_and_reset_hc; |
723 | diff --git a/drivers/usb/serial/kl5kusb105.c b/drivers/usb/serial/kl5kusb105.c |
724 | index e020ad28a00c..53c90131764d 100644 |
725 | --- a/drivers/usb/serial/kl5kusb105.c |
726 | +++ b/drivers/usb/serial/kl5kusb105.c |
727 | @@ -296,7 +296,7 @@ static int klsi_105_open(struct tty_struct *tty, struct usb_serial_port *port) |
728 | rc = usb_serial_generic_open(tty, port); |
729 | if (rc) { |
730 | retval = rc; |
731 | - goto exit; |
732 | + goto err_free_cfg; |
733 | } |
734 | |
735 | rc = usb_control_msg(port->serial->dev, |
736 | @@ -315,17 +315,32 @@ static int klsi_105_open(struct tty_struct *tty, struct usb_serial_port *port) |
737 | dev_dbg(&port->dev, "%s - enabled reading\n", __func__); |
738 | |
739 | rc = klsi_105_get_line_state(port, &line_state); |
740 | - if (rc >= 0) { |
741 | - spin_lock_irqsave(&priv->lock, flags); |
742 | - priv->line_state = line_state; |
743 | - spin_unlock_irqrestore(&priv->lock, flags); |
744 | - dev_dbg(&port->dev, "%s - read line state 0x%lx\n", __func__, line_state); |
745 | - retval = 0; |
746 | - } else |
747 | + if (rc < 0) { |
748 | retval = rc; |
749 | + goto err_disable_read; |
750 | + } |
751 | + |
752 | + spin_lock_irqsave(&priv->lock, flags); |
753 | + priv->line_state = line_state; |
754 | + spin_unlock_irqrestore(&priv->lock, flags); |
755 | + dev_dbg(&port->dev, "%s - read line state 0x%lx\n", __func__, |
756 | + line_state); |
757 | + |
758 | + return 0; |
759 | |
760 | -exit: |
761 | +err_disable_read: |
762 | + usb_control_msg(port->serial->dev, |
763 | + usb_sndctrlpipe(port->serial->dev, 0), |
764 | + KL5KUSB105A_SIO_CONFIGURE, |
765 | + USB_TYPE_VENDOR | USB_DIR_OUT, |
766 | + KL5KUSB105A_SIO_CONFIGURE_READ_OFF, |
767 | + 0, /* index */ |
768 | + NULL, 0, |
769 | + KLSI_TIMEOUT); |
770 | + usb_serial_generic_close(port); |
771 | +err_free_cfg: |
772 | kfree(cfg); |
773 | + |
774 | return retval; |
775 | } |
776 | |
777 | diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c |
778 | index 9894e341c6ac..7ce31a4c7e7f 100644 |
779 | --- a/drivers/usb/serial/option.c |
780 | +++ b/drivers/usb/serial/option.c |
781 | @@ -268,6 +268,8 @@ static void option_instat_callback(struct urb *urb); |
782 | #define TELIT_PRODUCT_CC864_SINGLE 0x1006 |
783 | #define TELIT_PRODUCT_DE910_DUAL 0x1010 |
784 | #define TELIT_PRODUCT_UE910_V2 0x1012 |
785 | +#define TELIT_PRODUCT_LE922_USBCFG1 0x1040 |
786 | +#define TELIT_PRODUCT_LE922_USBCFG2 0x1041 |
787 | #define TELIT_PRODUCT_LE922_USBCFG0 0x1042 |
788 | #define TELIT_PRODUCT_LE922_USBCFG3 0x1043 |
789 | #define TELIT_PRODUCT_LE922_USBCFG5 0x1045 |
790 | @@ -1210,6 +1212,10 @@ static const struct usb_device_id option_ids[] = { |
791 | { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_UE910_V2) }, |
792 | { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE922_USBCFG0), |
793 | .driver_info = (kernel_ulong_t)&telit_le922_blacklist_usbcfg0 }, |
794 | + { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE922_USBCFG1), |
795 | + .driver_info = (kernel_ulong_t)&telit_le910_blacklist }, |
796 | + { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE922_USBCFG2), |
797 | + .driver_info = (kernel_ulong_t)&telit_le922_blacklist_usbcfg3 }, |
798 | { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE922_USBCFG3), |
799 | .driver_info = (kernel_ulong_t)&telit_le922_blacklist_usbcfg3 }, |
800 | { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, TELIT_PRODUCT_LE922_USBCFG5, 0xff), |
801 | @@ -1989,6 +1995,7 @@ static const struct usb_device_id option_ids[] = { |
802 | { USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x7d02, 0xff, 0x00, 0x00) }, |
803 | { USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x7d03, 0xff, 0x02, 0x01) }, |
804 | { USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x7d03, 0xff, 0x00, 0x00) }, |
805 | + { USB_DEVICE_INTERFACE_CLASS(0x2001, 0x7d04, 0xff) }, /* D-Link DWM-158 */ |
806 | { USB_DEVICE_INTERFACE_CLASS(0x2001, 0x7e19, 0xff), /* D-Link DWM-221 B1 */ |
807 | .driver_info = (kernel_ulong_t)&net_intf4_blacklist }, |
808 | { USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e01, 0xff, 0xff, 0xff) }, /* D-Link DWM-152/C1 */ |
809 | diff --git a/drivers/xen/gntdev.c b/drivers/xen/gntdev.c |
810 | index 1be5dd048622..308600adf6e0 100644 |
811 | --- a/drivers/xen/gntdev.c |
812 | +++ b/drivers/xen/gntdev.c |
813 | @@ -804,7 +804,7 @@ static int gntdev_mmap(struct file *flip, struct vm_area_struct *vma) |
814 | |
815 | vma->vm_ops = &gntdev_vmops; |
816 | |
817 | - vma->vm_flags |= VM_DONTEXPAND | VM_DONTDUMP | VM_IO; |
818 | + vma->vm_flags |= VM_DONTEXPAND | VM_DONTDUMP | VM_MIXEDMAP; |
819 | |
820 | if (use_ptemod) |
821 | vma->vm_flags |= VM_DONTCOPY; |
822 | diff --git a/fs/block_dev.c b/fs/block_dev.c |
823 | index 44d4a1e9244e..f10dbac851a1 100644 |
824 | --- a/fs/block_dev.c |
825 | +++ b/fs/block_dev.c |
826 | @@ -759,7 +759,7 @@ static bool bd_may_claim(struct block_device *bdev, struct block_device *whole, |
827 | return true; /* already a holder */ |
828 | else if (bdev->bd_holder != NULL) |
829 | return false; /* held by someone else */ |
830 | - else if (bdev->bd_contains == bdev) |
831 | + else if (whole == bdev) |
832 | return true; /* is a whole device which isn't held */ |
833 | |
834 | else if (whole->bd_holder == bd_may_claim) |
835 | diff --git a/fs/btrfs/async-thread.c b/fs/btrfs/async-thread.c |
836 | index 9aba42b78253..a09264d8b853 100644 |
837 | --- a/fs/btrfs/async-thread.c |
838 | +++ b/fs/btrfs/async-thread.c |
839 | @@ -70,6 +70,20 @@ void btrfs_##name(struct work_struct *arg) \ |
840 | normal_work_helper(work); \ |
841 | } |
842 | |
843 | +bool btrfs_workqueue_normal_congested(struct btrfs_workqueue *wq) |
844 | +{ |
845 | + /* |
846 | + * We could compare wq->normal->pending with num_online_cpus() |
847 | + * to support "thresh == NO_THRESHOLD" case, but it requires |
848 | + * moving up atomic_inc/dec in thresh_queue/exec_hook. Let's |
849 | + * postpone it until someone needs the support of that case. |
850 | + */ |
851 | + if (wq->normal->thresh == NO_THRESHOLD) |
852 | + return false; |
853 | + |
854 | + return atomic_read(&wq->normal->pending) > wq->normal->thresh * 2; |
855 | +} |
856 | + |
857 | BTRFS_WORK_HELPER(worker_helper); |
858 | BTRFS_WORK_HELPER(delalloc_helper); |
859 | BTRFS_WORK_HELPER(flush_delalloc_helper); |
860 | diff --git a/fs/btrfs/async-thread.h b/fs/btrfs/async-thread.h |
861 | index ad4d0647d1a6..8e1d6576d764 100644 |
862 | --- a/fs/btrfs/async-thread.h |
863 | +++ b/fs/btrfs/async-thread.h |
864 | @@ -80,4 +80,5 @@ void btrfs_queue_work(struct btrfs_workqueue *wq, |
865 | void btrfs_destroy_workqueue(struct btrfs_workqueue *wq); |
866 | void btrfs_workqueue_set_max(struct btrfs_workqueue *wq, int max); |
867 | void btrfs_set_work_high_priority(struct btrfs_work *work); |
868 | +bool btrfs_workqueue_normal_congested(struct btrfs_workqueue *wq); |
869 | #endif |
870 | diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h |
871 | index 1391f72c28c3..e847573c6db0 100644 |
872 | --- a/fs/btrfs/ctree.h |
873 | +++ b/fs/btrfs/ctree.h |
874 | @@ -3070,6 +3070,8 @@ btrfs_disk_balance_args_to_cpu(struct btrfs_balance_args *cpu, |
875 | cpu->target = le64_to_cpu(disk->target); |
876 | cpu->flags = le64_to_cpu(disk->flags); |
877 | cpu->limit = le64_to_cpu(disk->limit); |
878 | + cpu->stripes_min = le32_to_cpu(disk->stripes_min); |
879 | + cpu->stripes_max = le32_to_cpu(disk->stripes_max); |
880 | } |
881 | |
882 | static inline void |
883 | @@ -3088,6 +3090,8 @@ btrfs_cpu_balance_args_to_disk(struct btrfs_disk_balance_args *disk, |
884 | disk->target = cpu_to_le64(cpu->target); |
885 | disk->flags = cpu_to_le64(cpu->flags); |
886 | disk->limit = cpu_to_le64(cpu->limit); |
887 | + disk->stripes_min = cpu_to_le32(cpu->stripes_min); |
888 | + disk->stripes_max = cpu_to_le32(cpu->stripes_max); |
889 | } |
890 | |
891 | /* struct btrfs_super_block */ |
892 | diff --git a/fs/btrfs/delayed-inode.c b/fs/btrfs/delayed-inode.c |
893 | index 02b934d0ee65..09fa5af9782e 100644 |
894 | --- a/fs/btrfs/delayed-inode.c |
895 | +++ b/fs/btrfs/delayed-inode.c |
896 | @@ -1375,7 +1375,8 @@ release_path: |
897 | total_done++; |
898 | |
899 | btrfs_release_prepared_delayed_node(delayed_node); |
900 | - if (async_work->nr == 0 || total_done < async_work->nr) |
901 | + if ((async_work->nr == 0 && total_done < BTRFS_DELAYED_WRITEBACK) || |
902 | + total_done < async_work->nr) |
903 | goto again; |
904 | |
905 | free_path: |
906 | @@ -1391,7 +1392,8 @@ static int btrfs_wq_run_delayed_node(struct btrfs_delayed_root *delayed_root, |
907 | { |
908 | struct btrfs_async_delayed_work *async_work; |
909 | |
910 | - if (atomic_read(&delayed_root->items) < BTRFS_DELAYED_BACKGROUND) |
911 | + if (atomic_read(&delayed_root->items) < BTRFS_DELAYED_BACKGROUND || |
912 | + btrfs_workqueue_normal_congested(fs_info->delayed_workers)) |
913 | return 0; |
914 | |
915 | async_work = kmalloc(sizeof(*async_work), GFP_NOFS); |
916 | diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c |
917 | index 47cdc6f3390b..2af08c3de775 100644 |
918 | --- a/fs/btrfs/extent-tree.c |
919 | +++ b/fs/btrfs/extent-tree.c |
920 | @@ -8486,14 +8486,13 @@ static noinline int do_walk_down(struct btrfs_trans_handle *trans, |
921 | ret = btrfs_lookup_extent_info(trans, root, bytenr, level - 1, 1, |
922 | &wc->refs[level - 1], |
923 | &wc->flags[level - 1]); |
924 | - if (ret < 0) { |
925 | - btrfs_tree_unlock(next); |
926 | - return ret; |
927 | - } |
928 | + if (ret < 0) |
929 | + goto out_unlock; |
930 | |
931 | if (unlikely(wc->refs[level - 1] == 0)) { |
932 | btrfs_err(root->fs_info, "Missing references."); |
933 | - BUG(); |
934 | + ret = -EIO; |
935 | + goto out_unlock; |
936 | } |
937 | *lookup_info = 0; |
938 | |
939 | @@ -8545,7 +8544,12 @@ static noinline int do_walk_down(struct btrfs_trans_handle *trans, |
940 | } |
941 | |
942 | level--; |
943 | - BUG_ON(level != btrfs_header_level(next)); |
944 | + ASSERT(level == btrfs_header_level(next)); |
945 | + if (level != btrfs_header_level(next)) { |
946 | + btrfs_err(root->fs_info, "mismatched level"); |
947 | + ret = -EIO; |
948 | + goto out_unlock; |
949 | + } |
950 | path->nodes[level] = next; |
951 | path->slots[level] = 0; |
952 | path->locks[level] = BTRFS_WRITE_LOCK_BLOCKING; |
953 | @@ -8560,8 +8564,15 @@ skip: |
954 | if (wc->flags[level] & BTRFS_BLOCK_FLAG_FULL_BACKREF) { |
955 | parent = path->nodes[level]->start; |
956 | } else { |
957 | - BUG_ON(root->root_key.objectid != |
958 | + ASSERT(root->root_key.objectid == |
959 | btrfs_header_owner(path->nodes[level])); |
960 | + if (root->root_key.objectid != |
961 | + btrfs_header_owner(path->nodes[level])) { |
962 | + btrfs_err(root->fs_info, |
963 | + "mismatched block owner"); |
964 | + ret = -EIO; |
965 | + goto out_unlock; |
966 | + } |
967 | parent = 0; |
968 | } |
969 | |
970 | @@ -8578,12 +8589,18 @@ skip: |
971 | } |
972 | ret = btrfs_free_extent(trans, root, bytenr, blocksize, parent, |
973 | root->root_key.objectid, level - 1, 0); |
974 | - BUG_ON(ret); /* -ENOMEM */ |
975 | + if (ret) |
976 | + goto out_unlock; |
977 | } |
978 | + |
979 | + *lookup_info = 1; |
980 | + ret = 1; |
981 | + |
982 | +out_unlock: |
983 | btrfs_tree_unlock(next); |
984 | free_extent_buffer(next); |
985 | - *lookup_info = 1; |
986 | - return 1; |
987 | + |
988 | + return ret; |
989 | } |
990 | |
991 | /* |
992 | @@ -9686,6 +9703,11 @@ int btrfs_read_block_groups(struct btrfs_root *root) |
993 | struct extent_buffer *leaf; |
994 | int need_clear = 0; |
995 | u64 cache_gen; |
996 | + u64 feature; |
997 | + int mixed; |
998 | + |
999 | + feature = btrfs_super_incompat_flags(info->super_copy); |
1000 | + mixed = !!(feature & BTRFS_FEATURE_INCOMPAT_MIXED_GROUPS); |
1001 | |
1002 | root = info->extent_root; |
1003 | key.objectid = 0; |
1004 | @@ -9739,6 +9761,15 @@ int btrfs_read_block_groups(struct btrfs_root *root) |
1005 | btrfs_item_ptr_offset(leaf, path->slots[0]), |
1006 | sizeof(cache->item)); |
1007 | cache->flags = btrfs_block_group_flags(&cache->item); |
1008 | + if (!mixed && |
1009 | + ((cache->flags & BTRFS_BLOCK_GROUP_METADATA) && |
1010 | + (cache->flags & BTRFS_BLOCK_GROUP_DATA))) { |
1011 | + btrfs_err(info, |
1012 | +"bg %llu is a mixed block group but filesystem hasn't enabled mixed block groups", |
1013 | + cache->key.objectid); |
1014 | + ret = -EINVAL; |
1015 | + goto error; |
1016 | + } |
1017 | |
1018 | key.objectid = found_key.objectid + found_key.offset; |
1019 | btrfs_release_path(path); |
1020 | diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c |
1021 | index 257bbdcb5df6..e767f347f2b1 100644 |
1022 | --- a/fs/btrfs/extent_io.c |
1023 | +++ b/fs/btrfs/extent_io.c |
1024 | @@ -5294,11 +5294,20 @@ int read_extent_buffer_pages(struct extent_io_tree *tree, |
1025 | lock_page(page); |
1026 | } |
1027 | locked_pages++; |
1028 | + } |
1029 | + /* |
1030 | + * We need to firstly lock all pages to make sure that |
1031 | + * the uptodate bit of our pages won't be affected by |
1032 | + * clear_extent_buffer_uptodate(). |
1033 | + */ |
1034 | + for (i = start_i; i < num_pages; i++) { |
1035 | + page = eb->pages[i]; |
1036 | if (!PageUptodate(page)) { |
1037 | num_reads++; |
1038 | all_uptodate = 0; |
1039 | } |
1040 | } |
1041 | + |
1042 | if (all_uptodate) { |
1043 | if (start_i == 0) |
1044 | set_bit(EXTENT_BUFFER_UPTODATE, &eb->bflags); |
1045 | diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c |
1046 | index a7e18dbadf74..317b99acdf4b 100644 |
1047 | --- a/fs/btrfs/ioctl.c |
1048 | +++ b/fs/btrfs/ioctl.c |
1049 | @@ -3825,6 +3825,11 @@ process_slot: |
1050 | } |
1051 | btrfs_release_path(path); |
1052 | key.offset = next_key_min_offset; |
1053 | + |
1054 | + if (fatal_signal_pending(current)) { |
1055 | + ret = -EINTR; |
1056 | + goto out; |
1057 | + } |
1058 | } |
1059 | ret = 0; |
1060 | |
1061 | diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c |
1062 | index bcc965ed5fa1..88d9b66e2207 100644 |
1063 | --- a/fs/btrfs/qgroup.c |
1064 | +++ b/fs/btrfs/qgroup.c |
1065 | @@ -2283,10 +2283,6 @@ static void btrfs_qgroup_rescan_worker(struct btrfs_work *work) |
1066 | int err = -ENOMEM; |
1067 | int ret = 0; |
1068 | |
1069 | - mutex_lock(&fs_info->qgroup_rescan_lock); |
1070 | - fs_info->qgroup_rescan_running = true; |
1071 | - mutex_unlock(&fs_info->qgroup_rescan_lock); |
1072 | - |
1073 | path = btrfs_alloc_path(); |
1074 | if (!path) |
1075 | goto out; |
1076 | @@ -2397,6 +2393,7 @@ qgroup_rescan_init(struct btrfs_fs_info *fs_info, u64 progress_objectid, |
1077 | sizeof(fs_info->qgroup_rescan_progress)); |
1078 | fs_info->qgroup_rescan_progress.objectid = progress_objectid; |
1079 | init_completion(&fs_info->qgroup_rescan_completion); |
1080 | + fs_info->qgroup_rescan_running = true; |
1081 | |
1082 | spin_unlock(&fs_info->qgroup_lock); |
1083 | mutex_unlock(&fs_info->qgroup_rescan_lock); |
1084 | diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c |
1085 | index b4ca5454ef1a..8ca9aa92972d 100644 |
1086 | --- a/fs/btrfs/relocation.c |
1087 | +++ b/fs/btrfs/relocation.c |
1088 | @@ -921,9 +921,16 @@ again: |
1089 | path2->slots[level]--; |
1090 | |
1091 | eb = path2->nodes[level]; |
1092 | - WARN_ON(btrfs_node_blockptr(eb, path2->slots[level]) != |
1093 | - cur->bytenr); |
1094 | - |
1095 | + if (btrfs_node_blockptr(eb, path2->slots[level]) != |
1096 | + cur->bytenr) { |
1097 | + btrfs_err(root->fs_info, |
1098 | + "couldn't find block (%llu) (level %d) in tree (%llu) with key (%llu %u %llu)", |
1099 | + cur->bytenr, level - 1, root->objectid, |
1100 | + node_key->objectid, node_key->type, |
1101 | + node_key->offset); |
1102 | + err = -ENOENT; |
1103 | + goto out; |
1104 | + } |
1105 | lower = cur; |
1106 | need_check = true; |
1107 | for (; level < BTRFS_MAX_LEVEL; level++) { |
1108 | @@ -2343,6 +2350,10 @@ void free_reloc_roots(struct list_head *list) |
1109 | while (!list_empty(list)) { |
1110 | reloc_root = list_entry(list->next, struct btrfs_root, |
1111 | root_list); |
1112 | + free_extent_buffer(reloc_root->node); |
1113 | + free_extent_buffer(reloc_root->commit_root); |
1114 | + reloc_root->node = NULL; |
1115 | + reloc_root->commit_root = NULL; |
1116 | __del_reloc_root(reloc_root); |
1117 | } |
1118 | } |
1119 | @@ -2676,11 +2687,15 @@ static int do_relocation(struct btrfs_trans_handle *trans, |
1120 | |
1121 | if (!upper->eb) { |
1122 | ret = btrfs_search_slot(trans, root, key, path, 0, 1); |
1123 | - if (ret < 0) { |
1124 | - err = ret; |
1125 | + if (ret) { |
1126 | + if (ret < 0) |
1127 | + err = ret; |
1128 | + else |
1129 | + err = -ENOENT; |
1130 | + |
1131 | + btrfs_release_path(path); |
1132 | break; |
1133 | } |
1134 | - BUG_ON(ret > 0); |
1135 | |
1136 | if (!upper->eb) { |
1137 | upper->eb = path->nodes[upper->level]; |
1138 | diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c |
1139 | index f7441193bf35..ee7832e2d39d 100644 |
1140 | --- a/fs/btrfs/tree-log.c |
1141 | +++ b/fs/btrfs/tree-log.c |
1142 | @@ -1923,12 +1923,11 @@ static noinline int find_dir_range(struct btrfs_root *root, |
1143 | next: |
1144 | /* check the next slot in the tree to see if it is a valid item */ |
1145 | nritems = btrfs_header_nritems(path->nodes[0]); |
1146 | + path->slots[0]++; |
1147 | if (path->slots[0] >= nritems) { |
1148 | ret = btrfs_next_leaf(root, path); |
1149 | if (ret) |
1150 | goto out; |
1151 | - } else { |
1152 | - path->slots[0]++; |
1153 | } |
1154 | |
1155 | btrfs_item_key_to_cpu(path->nodes[0], &key, path->slots[0]); |
1156 | diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h |
1157 | index c669a1471395..b76883606e4b 100644 |
1158 | --- a/fs/cifs/cifsglob.h |
1159 | +++ b/fs/cifs/cifsglob.h |
1160 | @@ -627,6 +627,8 @@ struct TCP_Server_Info { |
1161 | #ifdef CONFIG_CIFS_SMB2 |
1162 | unsigned int max_read; |
1163 | unsigned int max_write; |
1164 | + struct delayed_work reconnect; /* reconnect workqueue job */ |
1165 | + struct mutex reconnect_mutex; /* prevent simultaneous reconnects */ |
1166 | #endif /* CONFIG_CIFS_SMB2 */ |
1167 | }; |
1168 | |
1169 | @@ -826,6 +828,7 @@ cap_unix(struct cifs_ses *ses) |
1170 | struct cifs_tcon { |
1171 | struct list_head tcon_list; |
1172 | int tc_count; |
1173 | + struct list_head rlist; /* reconnect list */ |
1174 | struct list_head openFileList; |
1175 | spinlock_t open_file_lock; /* protects list above */ |
1176 | struct cifs_ses *ses; /* pointer to session associated with */ |
1177 | diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h |
1178 | index c63fd1dde25b..54590fd33df1 100644 |
1179 | --- a/fs/cifs/cifsproto.h |
1180 | +++ b/fs/cifs/cifsproto.h |
1181 | @@ -205,6 +205,9 @@ extern void cifs_add_pending_open_locked(struct cifs_fid *fid, |
1182 | struct tcon_link *tlink, |
1183 | struct cifs_pending_open *open); |
1184 | extern void cifs_del_pending_open(struct cifs_pending_open *open); |
1185 | +extern void cifs_put_tcp_session(struct TCP_Server_Info *server, |
1186 | + int from_reconnect); |
1187 | +extern void cifs_put_tcon(struct cifs_tcon *tcon); |
1188 | |
1189 | #if IS_ENABLED(CONFIG_CIFS_DFS_UPCALL) |
1190 | extern void cifs_dfs_release_automount_timer(void); |
1191 | diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c |
1192 | index 812a8cb07c63..5d59f25521ce 100644 |
1193 | --- a/fs/cifs/connect.c |
1194 | +++ b/fs/cifs/connect.c |
1195 | @@ -52,6 +52,9 @@ |
1196 | #include "nterr.h" |
1197 | #include "rfc1002pdu.h" |
1198 | #include "fscache.h" |
1199 | +#ifdef CONFIG_CIFS_SMB2 |
1200 | +#include "smb2proto.h" |
1201 | +#endif |
1202 | |
1203 | #define CIFS_PORT 445 |
1204 | #define RFC1001_PORT 139 |
1205 | @@ -2113,8 +2116,8 @@ cifs_find_tcp_session(struct smb_vol *vol) |
1206 | return NULL; |
1207 | } |
1208 | |
1209 | -static void |
1210 | -cifs_put_tcp_session(struct TCP_Server_Info *server) |
1211 | +void |
1212 | +cifs_put_tcp_session(struct TCP_Server_Info *server, int from_reconnect) |
1213 | { |
1214 | struct task_struct *task; |
1215 | |
1216 | @@ -2131,6 +2134,19 @@ cifs_put_tcp_session(struct TCP_Server_Info *server) |
1217 | |
1218 | cancel_delayed_work_sync(&server->echo); |
1219 | |
1220 | +#ifdef CONFIG_CIFS_SMB2 |
1221 | + if (from_reconnect) |
1222 | + /* |
1223 | + * Avoid deadlock here: reconnect work calls |
1224 | + * cifs_put_tcp_session() at its end. Need to be sure |
1225 | + * that reconnect work does nothing with server pointer after |
1226 | + * that step. |
1227 | + */ |
1228 | + cancel_delayed_work(&server->reconnect); |
1229 | + else |
1230 | + cancel_delayed_work_sync(&server->reconnect); |
1231 | +#endif |
1232 | + |
1233 | spin_lock(&GlobalMid_Lock); |
1234 | server->tcpStatus = CifsExiting; |
1235 | spin_unlock(&GlobalMid_Lock); |
1236 | @@ -2195,6 +2211,10 @@ cifs_get_tcp_session(struct smb_vol *volume_info) |
1237 | INIT_LIST_HEAD(&tcp_ses->tcp_ses_list); |
1238 | INIT_LIST_HEAD(&tcp_ses->smb_ses_list); |
1239 | INIT_DELAYED_WORK(&tcp_ses->echo, cifs_echo_request); |
1240 | +#ifdef CONFIG_CIFS_SMB2 |
1241 | + INIT_DELAYED_WORK(&tcp_ses->reconnect, smb2_reconnect_server); |
1242 | + mutex_init(&tcp_ses->reconnect_mutex); |
1243 | +#endif |
1244 | memcpy(&tcp_ses->srcaddr, &volume_info->srcaddr, |
1245 | sizeof(tcp_ses->srcaddr)); |
1246 | memcpy(&tcp_ses->dstaddr, &volume_info->dstaddr, |
1247 | @@ -2347,7 +2367,7 @@ cifs_put_smb_ses(struct cifs_ses *ses) |
1248 | spin_unlock(&cifs_tcp_ses_lock); |
1249 | |
1250 | sesInfoFree(ses); |
1251 | - cifs_put_tcp_session(server); |
1252 | + cifs_put_tcp_session(server, 0); |
1253 | } |
1254 | |
1255 | #ifdef CONFIG_KEYS |
1256 | @@ -2521,7 +2541,7 @@ cifs_get_smb_ses(struct TCP_Server_Info *server, struct smb_vol *volume_info) |
1257 | mutex_unlock(&ses->session_mutex); |
1258 | |
1259 | /* existing SMB ses has a server reference already */ |
1260 | - cifs_put_tcp_session(server); |
1261 | + cifs_put_tcp_session(server, 0); |
1262 | free_xid(xid); |
1263 | return ses; |
1264 | } |
1265 | @@ -2611,7 +2631,7 @@ cifs_find_tcon(struct cifs_ses *ses, const char *unc) |
1266 | return NULL; |
1267 | } |
1268 | |
1269 | -static void |
1270 | +void |
1271 | cifs_put_tcon(struct cifs_tcon *tcon) |
1272 | { |
1273 | unsigned int xid; |
1274 | @@ -3767,7 +3787,7 @@ mount_fail_check: |
1275 | else if (ses) |
1276 | cifs_put_smb_ses(ses); |
1277 | else |
1278 | - cifs_put_tcp_session(server); |
1279 | + cifs_put_tcp_session(server, 0); |
1280 | bdi_destroy(&cifs_sb->bdi); |
1281 | } |
1282 | |
1283 | @@ -4078,7 +4098,7 @@ cifs_construct_tcon(struct cifs_sb_info *cifs_sb, kuid_t fsuid) |
1284 | ses = cifs_get_smb_ses(master_tcon->ses->server, vol_info); |
1285 | if (IS_ERR(ses)) { |
1286 | tcon = (struct cifs_tcon *)ses; |
1287 | - cifs_put_tcp_session(master_tcon->ses->server); |
1288 | + cifs_put_tcp_session(master_tcon->ses->server, 0); |
1289 | goto out; |
1290 | } |
1291 | |
1292 | diff --git a/fs/cifs/smb2file.c b/fs/cifs/smb2file.c |
1293 | index f9e766f464be..b2aff0c6f22c 100644 |
1294 | --- a/fs/cifs/smb2file.c |
1295 | +++ b/fs/cifs/smb2file.c |
1296 | @@ -260,7 +260,7 @@ smb2_push_mandatory_locks(struct cifsFileInfo *cfile) |
1297 | * and check it for zero before using. |
1298 | */ |
1299 | max_buf = tlink_tcon(cfile->tlink)->ses->server->maxBuf; |
1300 | - if (!max_buf) { |
1301 | + if (max_buf < sizeof(struct smb2_lock_element)) { |
1302 | free_xid(xid); |
1303 | return -EINVAL; |
1304 | } |
1305 | diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c |
1306 | index 0dbbdf5e4aee..2fa754c5fd62 100644 |
1307 | --- a/fs/cifs/smb2pdu.c |
1308 | +++ b/fs/cifs/smb2pdu.c |
1309 | @@ -278,7 +278,7 @@ out: |
1310 | case SMB2_CHANGE_NOTIFY: |
1311 | case SMB2_QUERY_INFO: |
1312 | case SMB2_SET_INFO: |
1313 | - return -EAGAIN; |
1314 | + rc = -EAGAIN; |
1315 | } |
1316 | unload_nls(nls_codepage); |
1317 | return rc; |
1318 | @@ -1822,6 +1822,54 @@ smb2_echo_callback(struct mid_q_entry *mid) |
1319 | add_credits(server, credits_received, CIFS_ECHO_OP); |
1320 | } |
1321 | |
1322 | +void smb2_reconnect_server(struct work_struct *work) |
1323 | +{ |
1324 | + struct TCP_Server_Info *server = container_of(work, |
1325 | + struct TCP_Server_Info, reconnect.work); |
1326 | + struct cifs_ses *ses; |
1327 | + struct cifs_tcon *tcon, *tcon2; |
1328 | + struct list_head tmp_list; |
1329 | + int tcon_exist = false; |
1330 | + |
1331 | + /* Prevent simultaneous reconnects that can corrupt tcon->rlist list */ |
1332 | + mutex_lock(&server->reconnect_mutex); |
1333 | + |
1334 | + INIT_LIST_HEAD(&tmp_list); |
1335 | + cifs_dbg(FYI, "Need negotiate, reconnecting tcons\n"); |
1336 | + |
1337 | + spin_lock(&cifs_tcp_ses_lock); |
1338 | + list_for_each_entry(ses, &server->smb_ses_list, smb_ses_list) { |
1339 | + list_for_each_entry(tcon, &ses->tcon_list, tcon_list) { |
1340 | + if (tcon->need_reconnect) { |
1341 | + tcon->tc_count++; |
1342 | + list_add_tail(&tcon->rlist, &tmp_list); |
1343 | + tcon_exist = true; |
1344 | + } |
1345 | + } |
1346 | + } |
1347 | + /* |
1348 | + * Get the reference to server struct to be sure that the last call of |
1349 | + * cifs_put_tcon() in the loop below won't release the server pointer. |
1350 | + */ |
1351 | + if (tcon_exist) |
1352 | + server->srv_count++; |
1353 | + |
1354 | + spin_unlock(&cifs_tcp_ses_lock); |
1355 | + |
1356 | + list_for_each_entry_safe(tcon, tcon2, &tmp_list, rlist) { |
1357 | + smb2_reconnect(SMB2_ECHO, tcon); |
1358 | + list_del_init(&tcon->rlist); |
1359 | + cifs_put_tcon(tcon); |
1360 | + } |
1361 | + |
1362 | + cifs_dbg(FYI, "Reconnecting tcons finished\n"); |
1363 | + mutex_unlock(&server->reconnect_mutex); |
1364 | + |
1365 | + /* now we can safely release srv struct */ |
1366 | + if (tcon_exist) |
1367 | + cifs_put_tcp_session(server, 1); |
1368 | +} |
1369 | + |
1370 | int |
1371 | SMB2_echo(struct TCP_Server_Info *server) |
1372 | { |
1373 | @@ -1834,32 +1882,11 @@ SMB2_echo(struct TCP_Server_Info *server) |
1374 | cifs_dbg(FYI, "In echo request\n"); |
1375 | |
1376 | if (server->tcpStatus == CifsNeedNegotiate) { |
1377 | - struct list_head *tmp, *tmp2; |
1378 | - struct cifs_ses *ses; |
1379 | - struct cifs_tcon *tcon; |
1380 | - |
1381 | - cifs_dbg(FYI, "Need negotiate, reconnecting tcons\n"); |
1382 | - spin_lock(&cifs_tcp_ses_lock); |
1383 | - list_for_each(tmp, &server->smb_ses_list) { |
1384 | - ses = list_entry(tmp, struct cifs_ses, smb_ses_list); |
1385 | - list_for_each(tmp2, &ses->tcon_list) { |
1386 | - tcon = list_entry(tmp2, struct cifs_tcon, |
1387 | - tcon_list); |
1388 | - /* add check for persistent handle reconnect */ |
1389 | - if (tcon && tcon->need_reconnect) { |
1390 | - spin_unlock(&cifs_tcp_ses_lock); |
1391 | - rc = smb2_reconnect(SMB2_ECHO, tcon); |
1392 | - spin_lock(&cifs_tcp_ses_lock); |
1393 | - } |
1394 | - } |
1395 | - } |
1396 | - spin_unlock(&cifs_tcp_ses_lock); |
1397 | + /* No need to send echo on newly established connections */ |
1398 | + queue_delayed_work(cifsiod_wq, &server->reconnect, 0); |
1399 | + return rc; |
1400 | } |
1401 | |
1402 | - /* if no session, renegotiate failed above */ |
1403 | - if (server->tcpStatus == CifsNeedNegotiate) |
1404 | - return -EIO; |
1405 | - |
1406 | rc = small_smb2_init(SMB2_ECHO, NULL, (void **)&req); |
1407 | if (rc) |
1408 | return rc; |
1409 | diff --git a/fs/cifs/smb2proto.h b/fs/cifs/smb2proto.h |
1410 | index 9bc59f9c12fb..0a406ae78129 100644 |
1411 | --- a/fs/cifs/smb2proto.h |
1412 | +++ b/fs/cifs/smb2proto.h |
1413 | @@ -95,6 +95,7 @@ extern int smb2_open_file(const unsigned int xid, |
1414 | extern int smb2_unlock_range(struct cifsFileInfo *cfile, |
1415 | struct file_lock *flock, const unsigned int xid); |
1416 | extern int smb2_push_mandatory_locks(struct cifsFileInfo *cfile); |
1417 | +extern void smb2_reconnect_server(struct work_struct *work); |
1418 | |
1419 | /* |
1420 | * SMB2 Worker functions - most of protocol specific implementation details |
1421 | diff --git a/fs/exec.c b/fs/exec.c |
1422 | index b06623a9347f..3a6de10d3891 100644 |
1423 | --- a/fs/exec.c |
1424 | +++ b/fs/exec.c |
1425 | @@ -19,7 +19,7 @@ |
1426 | * current->executable is only used by the procfs. This allows a dispatch |
1427 | * table to check for several different types of binary formats. We keep |
1428 | * trying until we recognize the file or we run out of supported binary |
1429 | - * formats. |
1430 | + * formats. |
1431 | */ |
1432 | |
1433 | #include <linux/slab.h> |
1434 | @@ -56,6 +56,7 @@ |
1435 | #include <linux/pipe_fs_i.h> |
1436 | #include <linux/oom.h> |
1437 | #include <linux/compat.h> |
1438 | +#include <linux/user_namespace.h> |
1439 | |
1440 | #include <asm/uaccess.h> |
1441 | #include <asm/mmu_context.h> |
1442 | @@ -1114,6 +1115,13 @@ int flush_old_exec(struct linux_binprm * bprm) |
1443 | flush_thread(); |
1444 | current->personality &= ~bprm->per_clear; |
1445 | |
1446 | + /* |
1447 | + * We have to apply CLOEXEC before we change whether the process is |
1448 | + * dumpable (in setup_new_exec) to avoid a race with a process in userspace |
1449 | + * trying to access the should-be-closed file descriptors of a process |
1450 | + * undergoing exec(2). |
1451 | + */ |
1452 | + do_close_on_exec(current->files); |
1453 | return 0; |
1454 | |
1455 | out: |
1456 | @@ -1123,8 +1131,22 @@ EXPORT_SYMBOL(flush_old_exec); |
1457 | |
1458 | void would_dump(struct linux_binprm *bprm, struct file *file) |
1459 | { |
1460 | - if (inode_permission(file_inode(file), MAY_READ) < 0) |
1461 | + struct inode *inode = file_inode(file); |
1462 | + if (inode_permission(inode, MAY_READ) < 0) { |
1463 | + struct user_namespace *old, *user_ns; |
1464 | bprm->interp_flags |= BINPRM_FLAGS_ENFORCE_NONDUMP; |
1465 | + |
1466 | + /* Ensure mm->user_ns contains the executable */ |
1467 | + user_ns = old = bprm->mm->user_ns; |
1468 | + while ((user_ns != &init_user_ns) && |
1469 | + !privileged_wrt_inode_uidgid(user_ns, inode)) |
1470 | + user_ns = user_ns->parent; |
1471 | + |
1472 | + if (old != user_ns) { |
1473 | + bprm->mm->user_ns = get_user_ns(user_ns); |
1474 | + put_user_ns(old); |
1475 | + } |
1476 | + } |
1477 | } |
1478 | EXPORT_SYMBOL(would_dump); |
1479 | |
1480 | @@ -1154,7 +1176,6 @@ void setup_new_exec(struct linux_binprm * bprm) |
1481 | !gid_eq(bprm->cred->gid, current_egid())) { |
1482 | current->pdeath_signal = 0; |
1483 | } else { |
1484 | - would_dump(bprm, bprm->file); |
1485 | if (bprm->interp_flags & BINPRM_FLAGS_ENFORCE_NONDUMP) |
1486 | set_dumpable(current->mm, suid_dumpable); |
1487 | } |
1488 | @@ -1163,7 +1184,6 @@ void setup_new_exec(struct linux_binprm * bprm) |
1489 | group */ |
1490 | current->self_exec_id++; |
1491 | flush_signal_handlers(current, 0); |
1492 | - do_close_on_exec(current->files); |
1493 | } |
1494 | EXPORT_SYMBOL(setup_new_exec); |
1495 | |
1496 | @@ -1254,7 +1274,7 @@ static void check_unsafe_exec(struct linux_binprm *bprm) |
1497 | unsigned n_fs; |
1498 | |
1499 | if (p->ptrace) { |
1500 | - if (p->ptrace & PT_PTRACE_CAP) |
1501 | + if (ptracer_capable(p, current_user_ns())) |
1502 | bprm->unsafe |= LSM_UNSAFE_PTRACE_CAP; |
1503 | else |
1504 | bprm->unsafe |= LSM_UNSAFE_PTRACE; |
1505 | @@ -1587,6 +1607,8 @@ static int do_execveat_common(int fd, struct filename *filename, |
1506 | if (retval < 0) |
1507 | goto out; |
1508 | |
1509 | + would_dump(bprm, bprm->file); |
1510 | + |
1511 | retval = exec_binprm(bprm); |
1512 | if (retval < 0) |
1513 | goto out; |
1514 | diff --git a/fs/ext4/ext4_jbd2.h b/fs/ext4/ext4_jbd2.h |
1515 | index 5f5846211095..f817ed58f5ad 100644 |
1516 | --- a/fs/ext4/ext4_jbd2.h |
1517 | +++ b/fs/ext4/ext4_jbd2.h |
1518 | @@ -395,17 +395,19 @@ static inline int ext4_inode_journal_mode(struct inode *inode) |
1519 | return EXT4_INODE_WRITEBACK_DATA_MODE; /* writeback */ |
1520 | /* We do not support data journalling with delayed allocation */ |
1521 | if (!S_ISREG(inode->i_mode) || |
1522 | - test_opt(inode->i_sb, DATA_FLAGS) == EXT4_MOUNT_JOURNAL_DATA) |
1523 | - return EXT4_INODE_JOURNAL_DATA_MODE; /* journal data */ |
1524 | - if (ext4_test_inode_flag(inode, EXT4_INODE_JOURNAL_DATA) && |
1525 | - !test_opt(inode->i_sb, DELALLOC)) |
1526 | + test_opt(inode->i_sb, DATA_FLAGS) == EXT4_MOUNT_JOURNAL_DATA || |
1527 | + (ext4_test_inode_flag(inode, EXT4_INODE_JOURNAL_DATA) && |
1528 | + !test_opt(inode->i_sb, DELALLOC))) { |
1529 | + /* We do not support data journalling for encrypted data */ |
1530 | + if (S_ISREG(inode->i_mode) && ext4_encrypted_inode(inode)) |
1531 | + return EXT4_INODE_ORDERED_DATA_MODE; /* ordered */ |
1532 | return EXT4_INODE_JOURNAL_DATA_MODE; /* journal data */ |
1533 | + } |
1534 | if (test_opt(inode->i_sb, DATA_FLAGS) == EXT4_MOUNT_ORDERED_DATA) |
1535 | return EXT4_INODE_ORDERED_DATA_MODE; /* ordered */ |
1536 | if (test_opt(inode->i_sb, DATA_FLAGS) == EXT4_MOUNT_WRITEBACK_DATA) |
1537 | return EXT4_INODE_WRITEBACK_DATA_MODE; /* writeback */ |
1538 | - else |
1539 | - BUG(); |
1540 | + BUG(); |
1541 | } |
1542 | |
1543 | static inline int ext4_should_journal_data(struct inode *inode) |
1544 | diff --git a/fs/ext4/inline.c b/fs/ext4/inline.c |
1545 | index d884989cc83d..8968a93e2150 100644 |
1546 | --- a/fs/ext4/inline.c |
1547 | +++ b/fs/ext4/inline.c |
1548 | @@ -336,8 +336,10 @@ static int ext4_update_inline_data(handle_t *handle, struct inode *inode, |
1549 | |
1550 | len -= EXT4_MIN_INLINE_DATA_SIZE; |
1551 | value = kzalloc(len, GFP_NOFS); |
1552 | - if (!value) |
1553 | + if (!value) { |
1554 | + error = -ENOMEM; |
1555 | goto out; |
1556 | + } |
1557 | |
1558 | error = ext4_xattr_ibody_get(inode, i.name_index, i.name, |
1559 | value, len); |
1560 | diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c |
1561 | index c71d2941a45b..10690e5ba2eb 100644 |
1562 | --- a/fs/ext4/inode.c |
1563 | +++ b/fs/ext4/inode.c |
1564 | @@ -4175,6 +4175,7 @@ struct inode *ext4_iget(struct super_block *sb, unsigned long ino) |
1565 | struct inode *inode; |
1566 | journal_t *journal = EXT4_SB(sb)->s_journal; |
1567 | long ret; |
1568 | + loff_t size; |
1569 | int block; |
1570 | uid_t i_uid; |
1571 | gid_t i_gid; |
1572 | @@ -4266,6 +4267,11 @@ struct inode *ext4_iget(struct super_block *sb, unsigned long ino) |
1573 | ei->i_file_acl |= |
1574 | ((__u64)le16_to_cpu(raw_inode->i_file_acl_high)) << 32; |
1575 | inode->i_size = ext4_isize(raw_inode); |
1576 | + if ((size = i_size_read(inode)) < 0) { |
1577 | + EXT4_ERROR_INODE(inode, "bad i_size value: %lld", size); |
1578 | + ret = -EFSCORRUPTED; |
1579 | + goto bad_inode; |
1580 | + } |
1581 | ei->i_disksize = inode->i_size; |
1582 | #ifdef CONFIG_QUOTA |
1583 | ei->i_reserved_quota = 0; |
1584 | diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c |
1585 | index 3c7f0c44cfb3..b7a3957a9dca 100644 |
1586 | --- a/fs/ext4/mballoc.c |
1587 | +++ b/fs/ext4/mballoc.c |
1588 | @@ -669,7 +669,7 @@ static void ext4_mb_mark_free_simple(struct super_block *sb, |
1589 | ext4_grpblk_t min; |
1590 | ext4_grpblk_t max; |
1591 | ext4_grpblk_t chunk; |
1592 | - unsigned short border; |
1593 | + unsigned int border; |
1594 | |
1595 | BUG_ON(len > EXT4_CLUSTERS_PER_GROUP(sb)); |
1596 | |
1597 | @@ -2287,7 +2287,7 @@ static int ext4_mb_seq_groups_show(struct seq_file *seq, void *v) |
1598 | struct ext4_group_info *grinfo; |
1599 | struct sg { |
1600 | struct ext4_group_info info; |
1601 | - ext4_grpblk_t counters[16]; |
1602 | + ext4_grpblk_t counters[EXT4_MAX_BLOCK_LOG_SIZE + 2]; |
1603 | } sg; |
1604 | |
1605 | group--; |
1606 | diff --git a/fs/ext4/super.c b/fs/ext4/super.c |
1607 | index 127155b82e6e..68640e6f95c5 100644 |
1608 | --- a/fs/ext4/super.c |
1609 | +++ b/fs/ext4/super.c |
1610 | @@ -3037,10 +3037,15 @@ static int count_overhead(struct super_block *sb, ext4_group_t grp, |
1611 | ext4_set_bit(s++, buf); |
1612 | count++; |
1613 | } |
1614 | - for (j = ext4_bg_num_gdb(sb, grp); j > 0; j--) { |
1615 | - ext4_set_bit(EXT4_B2C(sbi, s++), buf); |
1616 | - count++; |
1617 | + j = ext4_bg_num_gdb(sb, grp); |
1618 | + if (s + j > EXT4_BLOCKS_PER_GROUP(sb)) { |
1619 | + ext4_error(sb, "Invalid number of block group " |
1620 | + "descriptor blocks: %d", j); |
1621 | + j = EXT4_BLOCKS_PER_GROUP(sb) - s; |
1622 | } |
1623 | + count += j; |
1624 | + for (; j > 0; j--) |
1625 | + ext4_set_bit(EXT4_B2C(sbi, s++), buf); |
1626 | } |
1627 | if (!count) |
1628 | return 0; |
1629 | @@ -3130,7 +3135,7 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent) |
1630 | char *orig_data = kstrdup(data, GFP_KERNEL); |
1631 | struct buffer_head *bh; |
1632 | struct ext4_super_block *es = NULL; |
1633 | - struct ext4_sb_info *sbi; |
1634 | + struct ext4_sb_info *sbi = kzalloc(sizeof(*sbi), GFP_KERNEL); |
1635 | ext4_fsblk_t block; |
1636 | ext4_fsblk_t sb_block = get_sb_block(&data); |
1637 | ext4_fsblk_t logical_sb_block; |
1638 | @@ -3149,16 +3154,14 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent) |
1639 | unsigned int journal_ioprio = DEFAULT_JOURNAL_IOPRIO; |
1640 | ext4_group_t first_not_zeroed; |
1641 | |
1642 | - sbi = kzalloc(sizeof(*sbi), GFP_KERNEL); |
1643 | - if (!sbi) |
1644 | - goto out_free_orig; |
1645 | + if ((data && !orig_data) || !sbi) |
1646 | + goto out_free_base; |
1647 | |
1648 | sbi->s_blockgroup_lock = |
1649 | kzalloc(sizeof(struct blockgroup_lock), GFP_KERNEL); |
1650 | - if (!sbi->s_blockgroup_lock) { |
1651 | - kfree(sbi); |
1652 | - goto out_free_orig; |
1653 | - } |
1654 | + if (!sbi->s_blockgroup_lock) |
1655 | + goto out_free_base; |
1656 | + |
1657 | sb->s_fs_info = sbi; |
1658 | sbi->s_sb = sb; |
1659 | sbi->s_inode_readahead_blks = EXT4_DEF_INODE_READAHEAD_BLKS; |
1660 | @@ -3304,11 +3307,19 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent) |
1661 | */ |
1662 | sbi->s_li_wait_mult = EXT4_DEF_LI_WAIT_MULT; |
1663 | |
1664 | - if (!parse_options((char *) sbi->s_es->s_mount_opts, sb, |
1665 | - &journal_devnum, &journal_ioprio, 0)) { |
1666 | - ext4_msg(sb, KERN_WARNING, |
1667 | - "failed to parse options in superblock: %s", |
1668 | - sbi->s_es->s_mount_opts); |
1669 | + if (sbi->s_es->s_mount_opts[0]) { |
1670 | + char *s_mount_opts = kstrndup(sbi->s_es->s_mount_opts, |
1671 | + sizeof(sbi->s_es->s_mount_opts), |
1672 | + GFP_KERNEL); |
1673 | + if (!s_mount_opts) |
1674 | + goto failed_mount; |
1675 | + if (!parse_options(s_mount_opts, sb, &journal_devnum, |
1676 | + &journal_ioprio, 0)) { |
1677 | + ext4_msg(sb, KERN_WARNING, |
1678 | + "failed to parse options in superblock: %s", |
1679 | + s_mount_opts); |
1680 | + } |
1681 | + kfree(s_mount_opts); |
1682 | } |
1683 | sbi->s_def_mount_opt = sbi->s_mount_opt; |
1684 | if (!parse_options((char *) data, sb, &journal_devnum, |
1685 | @@ -3334,6 +3345,11 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent) |
1686 | "both data=journal and dax"); |
1687 | goto failed_mount; |
1688 | } |
1689 | + if (ext4_has_feature_encrypt(sb)) { |
1690 | + ext4_msg(sb, KERN_WARNING, |
1691 | + "encrypted files will use data=ordered " |
1692 | + "instead of data journaling mode"); |
1693 | + } |
1694 | if (test_opt(sb, DELALLOC)) |
1695 | clear_opt(sb, DELALLOC); |
1696 | } else { |
1697 | @@ -3496,12 +3512,16 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent) |
1698 | |
1699 | sbi->s_blocks_per_group = le32_to_cpu(es->s_blocks_per_group); |
1700 | sbi->s_inodes_per_group = le32_to_cpu(es->s_inodes_per_group); |
1701 | - if (EXT4_INODE_SIZE(sb) == 0 || EXT4_INODES_PER_GROUP(sb) == 0) |
1702 | - goto cantfind_ext4; |
1703 | |
1704 | sbi->s_inodes_per_block = blocksize / EXT4_INODE_SIZE(sb); |
1705 | if (sbi->s_inodes_per_block == 0) |
1706 | goto cantfind_ext4; |
1707 | + if (sbi->s_inodes_per_group < sbi->s_inodes_per_block || |
1708 | + sbi->s_inodes_per_group > blocksize * 8) { |
1709 | + ext4_msg(sb, KERN_ERR, "invalid inodes per group: %lu\n", |
1710 | + sbi->s_blocks_per_group); |
1711 | + goto failed_mount; |
1712 | + } |
1713 | sbi->s_itb_per_group = sbi->s_inodes_per_group / |
1714 | sbi->s_inodes_per_block; |
1715 | sbi->s_desc_per_block = blocksize / EXT4_DESC_SIZE(sb); |
1716 | @@ -3584,13 +3604,6 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent) |
1717 | } |
1718 | sbi->s_cluster_ratio = clustersize / blocksize; |
1719 | |
1720 | - if (sbi->s_inodes_per_group > blocksize * 8) { |
1721 | - ext4_msg(sb, KERN_ERR, |
1722 | - "#inodes per group too big: %lu", |
1723 | - sbi->s_inodes_per_group); |
1724 | - goto failed_mount; |
1725 | - } |
1726 | - |
1727 | /* Do we have standard group size of clustersize * 8 blocks ? */ |
1728 | if (sbi->s_blocks_per_group == clustersize << 3) |
1729 | set_opt2(sb, STD_GROUP_SIZE); |
1730 | @@ -3994,7 +4007,9 @@ no_journal: |
1731 | |
1732 | if (___ratelimit(&ext4_mount_msg_ratelimit, "EXT4-fs mount")) |
1733 | ext4_msg(sb, KERN_INFO, "mounted filesystem with%s. " |
1734 | - "Opts: %s%s%s", descr, sbi->s_es->s_mount_opts, |
1735 | + "Opts: %.*s%s%s", descr, |
1736 | + (int) sizeof(sbi->s_es->s_mount_opts), |
1737 | + sbi->s_es->s_mount_opts, |
1738 | *sbi->s_es->s_mount_opts ? "; " : "", orig_data); |
1739 | |
1740 | if (es->s_error_count) |
1741 | @@ -4064,8 +4079,8 @@ failed_mount: |
1742 | out_fail: |
1743 | sb->s_fs_info = NULL; |
1744 | kfree(sbi->s_blockgroup_lock); |
1745 | +out_free_base: |
1746 | kfree(sbi); |
1747 | -out_free_orig: |
1748 | kfree(orig_data); |
1749 | return err ? err : ret; |
1750 | } |
1751 | diff --git a/fs/f2fs/debug.c b/fs/f2fs/debug.c |
1752 | index 478e5d54154f..24d6a51b48d1 100644 |
1753 | --- a/fs/f2fs/debug.c |
1754 | +++ b/fs/f2fs/debug.c |
1755 | @@ -352,6 +352,7 @@ static int stat_open(struct inode *inode, struct file *file) |
1756 | } |
1757 | |
1758 | static const struct file_operations stat_fops = { |
1759 | + .owner = THIS_MODULE, |
1760 | .open = stat_open, |
1761 | .read = seq_read, |
1762 | .llseek = seq_lseek, |
1763 | diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c |
1764 | index 5991cdcb9040..8cab78eeb0c2 100644 |
1765 | --- a/fs/xfs/xfs_log_recover.c |
1766 | +++ b/fs/xfs/xfs_log_recover.c |
1767 | @@ -3980,6 +3980,7 @@ xlog_recover_clear_agi_bucket( |
1768 | agi->agi_unlinked[bucket] = cpu_to_be32(NULLAGINO); |
1769 | offset = offsetof(xfs_agi_t, agi_unlinked) + |
1770 | (sizeof(xfs_agino_t) * bucket); |
1771 | + xfs_trans_buf_set_type(tp, agibp, XFS_BLFT_AGI_BUF); |
1772 | xfs_trans_log_buf(tp, agibp, offset, |
1773 | (offset + sizeof(xfs_agino_t) - 1)); |
1774 | |
1775 | diff --git a/include/linux/capability.h b/include/linux/capability.h |
1776 | index 5f8249d378a2..2654f75a4c46 100644 |
1777 | --- a/include/linux/capability.h |
1778 | +++ b/include/linux/capability.h |
1779 | @@ -247,8 +247,10 @@ static inline bool ns_capable_noaudit(struct user_namespace *ns, int cap) |
1780 | return true; |
1781 | } |
1782 | #endif /* CONFIG_MULTIUSER */ |
1783 | +extern bool privileged_wrt_inode_uidgid(struct user_namespace *ns, const struct inode *inode); |
1784 | extern bool capable_wrt_inode_uidgid(const struct inode *inode, int cap); |
1785 | extern bool file_ns_capable(const struct file *file, struct user_namespace *ns, int cap); |
1786 | +extern bool ptracer_capable(struct task_struct *tsk, struct user_namespace *ns); |
1787 | |
1788 | /* audit system wants to get cap info from files as well */ |
1789 | extern int get_vfs_caps_from_disk(const struct dentry *dentry, struct cpu_vfs_cap_data *cpu_caps); |
1790 | diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h |
1791 | index f8d1492a114f..2ccccbfcd532 100644 |
1792 | --- a/include/linux/mm_types.h |
1793 | +++ b/include/linux/mm_types.h |
1794 | @@ -469,6 +469,7 @@ struct mm_struct { |
1795 | */ |
1796 | struct task_struct __rcu *owner; |
1797 | #endif |
1798 | + struct user_namespace *user_ns; |
1799 | |
1800 | /* store ref to file /proc/<pid>/exe symlink points to */ |
1801 | struct file __rcu *exe_file; |
1802 | diff --git a/include/linux/ptrace.h b/include/linux/ptrace.h |
1803 | index 504c98a278d4..e13bfdf7f314 100644 |
1804 | --- a/include/linux/ptrace.h |
1805 | +++ b/include/linux/ptrace.h |
1806 | @@ -19,7 +19,6 @@ |
1807 | #define PT_SEIZED 0x00010000 /* SEIZE used, enable new behavior */ |
1808 | #define PT_PTRACED 0x00000001 |
1809 | #define PT_DTRACE 0x00000002 /* delayed trace (used on m68k, i386) */ |
1810 | -#define PT_PTRACE_CAP 0x00000004 /* ptracer can follow suid-exec */ |
1811 | |
1812 | #define PT_OPT_FLAG_SHIFT 3 |
1813 | /* PT_TRACE_* event enable flags */ |
1814 | diff --git a/include/linux/sched.h b/include/linux/sched.h |
1815 | index 1c0193baea2a..ce0f61dcd887 100644 |
1816 | --- a/include/linux/sched.h |
1817 | +++ b/include/linux/sched.h |
1818 | @@ -1540,6 +1540,7 @@ struct task_struct { |
1819 | struct list_head cpu_timers[3]; |
1820 | |
1821 | /* process credentials */ |
1822 | + const struct cred __rcu *ptracer_cred; /* Tracer's credentials at attach */ |
1823 | const struct cred __rcu *real_cred; /* objective and real subjective task |
1824 | * credentials (COW) */ |
1825 | const struct cred __rcu *cred; /* effective (overridable) subjective task |
1826 | diff --git a/kernel/capability.c b/kernel/capability.c |
1827 | index 00411c82dac5..4984e1f552eb 100644 |
1828 | --- a/kernel/capability.c |
1829 | +++ b/kernel/capability.c |
1830 | @@ -457,6 +457,19 @@ bool file_ns_capable(const struct file *file, struct user_namespace *ns, |
1831 | EXPORT_SYMBOL(file_ns_capable); |
1832 | |
1833 | /** |
1834 | + * privileged_wrt_inode_uidgid - Do capabilities in the namespace work over the inode? |
1835 | + * @ns: The user namespace in question |
1836 | + * @inode: The inode in question |
1837 | + * |
1838 | + * Return true if the inode uid and gid are within the namespace. |
1839 | + */ |
1840 | +bool privileged_wrt_inode_uidgid(struct user_namespace *ns, const struct inode *inode) |
1841 | +{ |
1842 | + return kuid_has_mapping(ns, inode->i_uid) && |
1843 | + kgid_has_mapping(ns, inode->i_gid); |
1844 | +} |
1845 | + |
1846 | +/** |
1847 | * capable_wrt_inode_uidgid - Check nsown_capable and uid and gid mapped |
1848 | * @inode: The inode in question |
1849 | * @cap: The capability in question |
1850 | @@ -469,7 +482,26 @@ bool capable_wrt_inode_uidgid(const struct inode *inode, int cap) |
1851 | { |
1852 | struct user_namespace *ns = current_user_ns(); |
1853 | |
1854 | - return ns_capable(ns, cap) && kuid_has_mapping(ns, inode->i_uid) && |
1855 | - kgid_has_mapping(ns, inode->i_gid); |
1856 | + return ns_capable(ns, cap) && privileged_wrt_inode_uidgid(ns, inode); |
1857 | } |
1858 | EXPORT_SYMBOL(capable_wrt_inode_uidgid); |
1859 | + |
1860 | +/** |
1861 | + * ptracer_capable - Determine if the ptracer holds CAP_SYS_PTRACE in the namespace |
1862 | + * @tsk: The task that may be ptraced |
1863 | + * @ns: The user namespace to search for CAP_SYS_PTRACE in |
1864 | + * |
1865 | + * Return true if the task that is ptracing the current task had CAP_SYS_PTRACE |
1866 | + * in the specified user namespace. |
1867 | + */ |
1868 | +bool ptracer_capable(struct task_struct *tsk, struct user_namespace *ns) |
1869 | +{ |
1870 | + int ret = 0; /* An absent tracer adds no restrictions */ |
1871 | + const struct cred *cred; |
1872 | + rcu_read_lock(); |
1873 | + cred = rcu_dereference(tsk->ptracer_cred); |
1874 | + if (cred) |
1875 | + ret = security_capable_noaudit(cred, ns, CAP_SYS_PTRACE); |
1876 | + rcu_read_unlock(); |
1877 | + return (ret == 0); |
1878 | +} |
1879 | diff --git a/kernel/debug/debug_core.c b/kernel/debug/debug_core.c |
1880 | index 0874e2edd275..79517e5549f1 100644 |
1881 | --- a/kernel/debug/debug_core.c |
1882 | +++ b/kernel/debug/debug_core.c |
1883 | @@ -598,11 +598,11 @@ return_normal: |
1884 | /* |
1885 | * Wait for the other CPUs to be notified and be waiting for us: |
1886 | */ |
1887 | - time_left = loops_per_jiffy * HZ; |
1888 | + time_left = MSEC_PER_SEC; |
1889 | while (kgdb_do_roundup && --time_left && |
1890 | (atomic_read(&masters_in_kgdb) + atomic_read(&slaves_in_kgdb)) != |
1891 | online_cpus) |
1892 | - cpu_relax(); |
1893 | + udelay(1000); |
1894 | if (!time_left) |
1895 | pr_crit("Timed out waiting for secondary CPUs.\n"); |
1896 | |
1897 | diff --git a/kernel/fork.c b/kernel/fork.c |
1898 | index 7161ebe67cbb..2e55b53399de 100644 |
1899 | --- a/kernel/fork.c |
1900 | +++ b/kernel/fork.c |
1901 | @@ -585,7 +585,8 @@ static void mm_init_owner(struct mm_struct *mm, struct task_struct *p) |
1902 | #endif |
1903 | } |
1904 | |
1905 | -static struct mm_struct *mm_init(struct mm_struct *mm, struct task_struct *p) |
1906 | +static struct mm_struct *mm_init(struct mm_struct *mm, struct task_struct *p, |
1907 | + struct user_namespace *user_ns) |
1908 | { |
1909 | mm->mmap = NULL; |
1910 | mm->mm_rb = RB_ROOT; |
1911 | @@ -625,6 +626,7 @@ static struct mm_struct *mm_init(struct mm_struct *mm, struct task_struct *p) |
1912 | if (init_new_context(p, mm)) |
1913 | goto fail_nocontext; |
1914 | |
1915 | + mm->user_ns = get_user_ns(user_ns); |
1916 | return mm; |
1917 | |
1918 | fail_nocontext: |
1919 | @@ -670,7 +672,7 @@ struct mm_struct *mm_alloc(void) |
1920 | return NULL; |
1921 | |
1922 | memset(mm, 0, sizeof(*mm)); |
1923 | - return mm_init(mm, current); |
1924 | + return mm_init(mm, current, current_user_ns()); |
1925 | } |
1926 | |
1927 | /* |
1928 | @@ -685,6 +687,7 @@ void __mmdrop(struct mm_struct *mm) |
1929 | destroy_context(mm); |
1930 | mmu_notifier_mm_destroy(mm); |
1931 | check_mm(mm); |
1932 | + put_user_ns(mm->user_ns); |
1933 | free_mm(mm); |
1934 | } |
1935 | EXPORT_SYMBOL_GPL(__mmdrop); |
1936 | @@ -942,7 +945,7 @@ static struct mm_struct *dup_mm(struct task_struct *tsk) |
1937 | |
1938 | memcpy(mm, oldmm, sizeof(*mm)); |
1939 | |
1940 | - if (!mm_init(mm, tsk)) |
1941 | + if (!mm_init(mm, tsk, mm->user_ns)) |
1942 | goto fail_nomem; |
1943 | |
1944 | err = dup_mmap(mm, oldmm); |
1945 | diff --git a/kernel/ptrace.c b/kernel/ptrace.c |
1946 | index 3189e51db7e8..a46c40bfb5f6 100644 |
1947 | --- a/kernel/ptrace.c |
1948 | +++ b/kernel/ptrace.c |
1949 | @@ -39,6 +39,9 @@ void __ptrace_link(struct task_struct *child, struct task_struct *new_parent) |
1950 | BUG_ON(!list_empty(&child->ptrace_entry)); |
1951 | list_add(&child->ptrace_entry, &new_parent->ptraced); |
1952 | child->parent = new_parent; |
1953 | + rcu_read_lock(); |
1954 | + child->ptracer_cred = get_cred(__task_cred(new_parent)); |
1955 | + rcu_read_unlock(); |
1956 | } |
1957 | |
1958 | /** |
1959 | @@ -71,11 +74,15 @@ void __ptrace_link(struct task_struct *child, struct task_struct *new_parent) |
1960 | */ |
1961 | void __ptrace_unlink(struct task_struct *child) |
1962 | { |
1963 | + const struct cred *old_cred; |
1964 | BUG_ON(!child->ptrace); |
1965 | |
1966 | child->ptrace = 0; |
1967 | child->parent = child->real_parent; |
1968 | list_del_init(&child->ptrace_entry); |
1969 | + old_cred = child->ptracer_cred; |
1970 | + child->ptracer_cred = NULL; |
1971 | + put_cred(old_cred); |
1972 | |
1973 | spin_lock(&child->sighand->siglock); |
1974 | |
1975 | @@ -219,7 +226,7 @@ static int ptrace_has_cap(struct user_namespace *ns, unsigned int mode) |
1976 | static int __ptrace_may_access(struct task_struct *task, unsigned int mode) |
1977 | { |
1978 | const struct cred *cred = current_cred(), *tcred; |
1979 | - int dumpable = 0; |
1980 | + struct mm_struct *mm; |
1981 | kuid_t caller_uid; |
1982 | kgid_t caller_gid; |
1983 | |
1984 | @@ -270,16 +277,11 @@ static int __ptrace_may_access(struct task_struct *task, unsigned int mode) |
1985 | return -EPERM; |
1986 | ok: |
1987 | rcu_read_unlock(); |
1988 | - smp_rmb(); |
1989 | - if (task->mm) |
1990 | - dumpable = get_dumpable(task->mm); |
1991 | - rcu_read_lock(); |
1992 | - if (dumpable != SUID_DUMP_USER && |
1993 | - !ptrace_has_cap(__task_cred(task)->user_ns, mode)) { |
1994 | - rcu_read_unlock(); |
1995 | - return -EPERM; |
1996 | - } |
1997 | - rcu_read_unlock(); |
1998 | + mm = task->mm; |
1999 | + if (mm && |
2000 | + ((get_dumpable(mm) != SUID_DUMP_USER) && |
2001 | + !ptrace_has_cap(mm->user_ns, mode))) |
2002 | + return -EPERM; |
2003 | |
2004 | return security_ptrace_access_check(task, mode); |
2005 | } |
2006 | @@ -343,10 +345,6 @@ static int ptrace_attach(struct task_struct *task, long request, |
2007 | |
2008 | if (seize) |
2009 | flags |= PT_SEIZED; |
2010 | - rcu_read_lock(); |
2011 | - if (ns_capable(__task_cred(task)->user_ns, CAP_SYS_PTRACE)) |
2012 | - flags |= PT_PTRACE_CAP; |
2013 | - rcu_read_unlock(); |
2014 | task->ptrace = flags; |
2015 | |
2016 | __ptrace_link(task, current); |
2017 | diff --git a/kernel/watchdog.c b/kernel/watchdog.c |
2018 | index 198137b1cadc..c1e0b5f429b6 100644 |
2019 | --- a/kernel/watchdog.c |
2020 | +++ b/kernel/watchdog.c |
2021 | @@ -328,7 +328,6 @@ static void watchdog_overflow_callback(struct perf_event *event, |
2022 | */ |
2023 | if (is_hardlockup()) { |
2024 | int this_cpu = smp_processor_id(); |
2025 | - struct pt_regs *regs = get_irq_regs(); |
2026 | |
2027 | /* only print hardlockups once */ |
2028 | if (__this_cpu_read(hard_watchdog_warn) == true) |
2029 | diff --git a/mm/init-mm.c b/mm/init-mm.c |
2030 | index a56a851908d2..975e49f00f34 100644 |
2031 | --- a/mm/init-mm.c |
2032 | +++ b/mm/init-mm.c |
2033 | @@ -6,6 +6,7 @@ |
2034 | #include <linux/cpumask.h> |
2035 | |
2036 | #include <linux/atomic.h> |
2037 | +#include <linux/user_namespace.h> |
2038 | #include <asm/pgtable.h> |
2039 | #include <asm/mmu.h> |
2040 | |
2041 | @@ -21,5 +22,6 @@ struct mm_struct init_mm = { |
2042 | .mmap_sem = __RWSEM_INITIALIZER(init_mm.mmap_sem), |
2043 | .page_table_lock = __SPIN_LOCK_UNLOCKED(init_mm.page_table_lock), |
2044 | .mmlist = LIST_HEAD_INIT(init_mm.mmlist), |
2045 | + .user_ns = &init_user_ns, |
2046 | INIT_MM_CONTEXT(init_mm) |
2047 | }; |
2048 | diff --git a/mm/vmscan.c b/mm/vmscan.c |
2049 | index de1c59d8daa3..bfc5050cbd01 100644 |
2050 | --- a/mm/vmscan.c |
2051 | +++ b/mm/vmscan.c |
2052 | @@ -277,6 +277,7 @@ static unsigned long do_shrink_slab(struct shrink_control *shrinkctl, |
2053 | int nid = shrinkctl->nid; |
2054 | long batch_size = shrinker->batch ? shrinker->batch |
2055 | : SHRINK_BATCH; |
2056 | + long scanned = 0, next_deferred; |
2057 | |
2058 | freeable = shrinker->count_objects(shrinker, shrinkctl); |
2059 | if (freeable == 0) |
2060 | @@ -298,7 +299,9 @@ static unsigned long do_shrink_slab(struct shrink_control *shrinkctl, |
2061 | pr_err("shrink_slab: %pF negative objects to delete nr=%ld\n", |
2062 | shrinker->scan_objects, total_scan); |
2063 | total_scan = freeable; |
2064 | - } |
2065 | + next_deferred = nr; |
2066 | + } else |
2067 | + next_deferred = total_scan; |
2068 | |
2069 | /* |
2070 | * We need to avoid excessive windup on filesystem shrinkers |
2071 | @@ -355,17 +358,22 @@ static unsigned long do_shrink_slab(struct shrink_control *shrinkctl, |
2072 | |
2073 | count_vm_events(SLABS_SCANNED, nr_to_scan); |
2074 | total_scan -= nr_to_scan; |
2075 | + scanned += nr_to_scan; |
2076 | |
2077 | cond_resched(); |
2078 | } |
2079 | |
2080 | + if (next_deferred >= scanned) |
2081 | + next_deferred -= scanned; |
2082 | + else |
2083 | + next_deferred = 0; |
2084 | /* |
2085 | * move the unused scan count back into the shrinker in a |
2086 | * manner that handles concurrent updates. If we exhausted the |
2087 | * scan, there is no need to do an update. |
2088 | */ |
2089 | - if (total_scan > 0) |
2090 | - new_nr = atomic_long_add_return(total_scan, |
2091 | + if (next_deferred > 0) |
2092 | + new_nr = atomic_long_add_return(next_deferred, |
2093 | &shrinker->nr_deferred[nid]); |
2094 | else |
2095 | new_nr = atomic_long_read(&shrinker->nr_deferred[nid]); |
2096 | diff --git a/sound/pci/hda/hda_auto_parser.c b/sound/pci/hda/hda_auto_parser.c |
2097 | index 7f57a145a47e..a03cf68d0bcd 100644 |
2098 | --- a/sound/pci/hda/hda_auto_parser.c |
2099 | +++ b/sound/pci/hda/hda_auto_parser.c |
2100 | @@ -884,6 +884,8 @@ void snd_hda_apply_fixup(struct hda_codec *codec, int action) |
2101 | } |
2102 | EXPORT_SYMBOL_GPL(snd_hda_apply_fixup); |
2103 | |
2104 | +#define IGNORE_SEQ_ASSOC (~(AC_DEFCFG_SEQUENCE | AC_DEFCFG_DEF_ASSOC)) |
2105 | + |
2106 | static bool pin_config_match(struct hda_codec *codec, |
2107 | const struct hda_pintbl *pins) |
2108 | { |
2109 | @@ -901,7 +903,7 @@ static bool pin_config_match(struct hda_codec *codec, |
2110 | for (; t_pins->nid; t_pins++) { |
2111 | if (t_pins->nid == nid) { |
2112 | found = 1; |
2113 | - if (t_pins->val == cfg) |
2114 | + if ((t_pins->val & IGNORE_SEQ_ASSOC) == (cfg & IGNORE_SEQ_ASSOC)) |
2115 | break; |
2116 | else if ((cfg & 0xf0000000) == 0x40000000 && (t_pins->val & 0xf0000000) == 0x40000000) |
2117 | break; |
2118 | diff --git a/sound/pci/hda/patch_ca0132.c b/sound/pci/hda/patch_ca0132.c |
2119 | index 9ceb2bc36e68..c146d0de53d8 100644 |
2120 | --- a/sound/pci/hda/patch_ca0132.c |
2121 | +++ b/sound/pci/hda/patch_ca0132.c |
2122 | @@ -780,6 +780,7 @@ static const struct hda_pintbl alienware_pincfgs[] = { |
2123 | static const struct snd_pci_quirk ca0132_quirks[] = { |
2124 | SND_PCI_QUIRK(0x1028, 0x0685, "Alienware 15 2015", QUIRK_ALIENWARE), |
2125 | SND_PCI_QUIRK(0x1028, 0x0688, "Alienware 17 2015", QUIRK_ALIENWARE), |
2126 | + SND_PCI_QUIRK(0x1028, 0x0708, "Alienware 15 R2 2016", QUIRK_ALIENWARE), |
2127 | {} |
2128 | }; |
2129 | |
2130 | diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c |
2131 | index 36cd715986bc..46f7b023f69c 100644 |
2132 | --- a/sound/pci/hda/patch_conexant.c |
2133 | +++ b/sound/pci/hda/patch_conexant.c |
2134 | @@ -262,6 +262,7 @@ enum { |
2135 | CXT_FIXUP_CAP_MIX_AMP_5047, |
2136 | CXT_FIXUP_MUTE_LED_EAPD, |
2137 | CXT_FIXUP_HP_SPECTRE, |
2138 | + CXT_FIXUP_HP_GATE_MIC, |
2139 | }; |
2140 | |
2141 | /* for hda_fixup_thinkpad_acpi() */ |
2142 | @@ -633,6 +634,17 @@ static void cxt_fixup_cap_mix_amp_5047(struct hda_codec *codec, |
2143 | (1 << AC_AMPCAP_MUTE_SHIFT)); |
2144 | } |
2145 | |
2146 | +static void cxt_fixup_hp_gate_mic_jack(struct hda_codec *codec, |
2147 | + const struct hda_fixup *fix, |
2148 | + int action) |
2149 | +{ |
2150 | + /* the mic pin (0x19) doesn't give an unsolicited event; |
2151 | + * probe the mic pin together with the headphone pin (0x16) |
2152 | + */ |
2153 | + if (action == HDA_FIXUP_ACT_PROBE) |
2154 | + snd_hda_jack_set_gating_jack(codec, 0x19, 0x16); |
2155 | +} |
2156 | + |
2157 | /* ThinkPad X200 & co with cxt5051 */ |
2158 | static const struct hda_pintbl cxt_pincfg_lenovo_x200[] = { |
2159 | { 0x16, 0x042140ff }, /* HP (seq# overridden) */ |
2160 | @@ -774,6 +786,10 @@ static const struct hda_fixup cxt_fixups[] = { |
2161 | { } |
2162 | } |
2163 | }, |
2164 | + [CXT_FIXUP_HP_GATE_MIC] = { |
2165 | + .type = HDA_FIXUP_FUNC, |
2166 | + .v.func = cxt_fixup_hp_gate_mic_jack, |
2167 | + }, |
2168 | }; |
2169 | |
2170 | static const struct snd_pci_quirk cxt5045_fixups[] = { |
2171 | @@ -824,6 +840,7 @@ static const struct snd_pci_quirk cxt5066_fixups[] = { |
2172 | SND_PCI_QUIRK(0x1025, 0x054c, "Acer Aspire 3830TG", CXT_FIXUP_ASPIRE_DMIC), |
2173 | SND_PCI_QUIRK(0x1025, 0x054f, "Acer Aspire 4830T", CXT_FIXUP_ASPIRE_DMIC), |
2174 | SND_PCI_QUIRK(0x103c, 0x8174, "HP Spectre x360", CXT_FIXUP_HP_SPECTRE), |
2175 | + SND_PCI_QUIRK(0x103c, 0x8115, "HP Z1 Gen3", CXT_FIXUP_HP_GATE_MIC), |
2176 | SND_PCI_QUIRK(0x1043, 0x138d, "Asus", CXT_FIXUP_HEADPHONE_MIC_PIN), |
2177 | SND_PCI_QUIRK(0x152d, 0x0833, "OLPC XO-1.5", CXT_FIXUP_OLPC_XO), |
2178 | SND_PCI_QUIRK(0x17aa, 0x20f2, "Lenovo T400", CXT_PINCFG_LENOVO_TP410), |
2179 | diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c |
2180 | index f0986cac82f1..3b2687889cd5 100644 |
2181 | --- a/sound/pci/hda/patch_realtek.c |
2182 | +++ b/sound/pci/hda/patch_realtek.c |
2183 | @@ -5899,6 +5899,9 @@ static const struct snd_hda_pin_quirk alc269_pin_fixup_tbl[] = { |
2184 | {0x12, 0x90a60180}, |
2185 | {0x14, 0x90170120}, |
2186 | {0x21, 0x02211030}), |
2187 | + SND_HDA_PIN_QUIRK(0x10ec0255, 0x1028, "Dell", ALC255_FIXUP_DELL1_MIC_NO_PRESENCE, |
2188 | + {0x1b, 0x01011020}, |
2189 | + {0x21, 0x02211010}), |
2190 | SND_HDA_PIN_QUIRK(0x10ec0256, 0x1028, "Dell", ALC255_FIXUP_DELL1_MIC_NO_PRESENCE, |
2191 | {0x12, 0x90a60160}, |
2192 | {0x14, 0x90170120}, |
2193 | diff --git a/sound/soc/intel/atom/sst-mfld-platform-pcm.c b/sound/soc/intel/atom/sst-mfld-platform-pcm.c |
2194 | index 0487cfaac538..2b96b11fbe71 100644 |
2195 | --- a/sound/soc/intel/atom/sst-mfld-platform-pcm.c |
2196 | +++ b/sound/soc/intel/atom/sst-mfld-platform-pcm.c |
2197 | @@ -762,6 +762,9 @@ static int sst_soc_prepare(struct device *dev) |
2198 | struct sst_data *drv = dev_get_drvdata(dev); |
2199 | int i; |
2200 | |
2201 | + if (!drv->soc_card) |
2202 | + return 0; |
2203 | + |
2204 | /* suspend all pcms first */ |
2205 | snd_soc_suspend(drv->soc_card->dev); |
2206 | snd_soc_poweroff(drv->soc_card->dev); |
2207 | @@ -784,6 +787,9 @@ static void sst_soc_complete(struct device *dev) |
2208 | struct sst_data *drv = dev_get_drvdata(dev); |
2209 | int i; |
2210 | |
2211 | + if (!drv->soc_card) |
2212 | + return; |
2213 | + |
2214 | /* restart SSPs */ |
2215 | for (i = 0; i < drv->soc_card->num_rtd; i++) { |
2216 | struct snd_soc_dai *dai = drv->soc_card->rtd[i].cpu_dai; |
2217 | diff --git a/sound/usb/hiface/pcm.c b/sound/usb/hiface/pcm.c |
2218 | index 2c44139b4041..33db205dd12b 100644 |
2219 | --- a/sound/usb/hiface/pcm.c |
2220 | +++ b/sound/usb/hiface/pcm.c |
2221 | @@ -445,6 +445,8 @@ static int hiface_pcm_prepare(struct snd_pcm_substream *alsa_sub) |
2222 | |
2223 | mutex_lock(&rt->stream_mutex); |
2224 | |
2225 | + hiface_pcm_stream_stop(rt); |
2226 | + |
2227 | sub->dma_off = 0; |
2228 | sub->period_off = 0; |
2229 | |
2230 | diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c |
2231 | index 4f85757009b3..499b03c8281d 100644 |
2232 | --- a/sound/usb/mixer.c |
2233 | +++ b/sound/usb/mixer.c |
2234 | @@ -931,9 +931,10 @@ static void volume_control_quirks(struct usb_mixer_elem_info *cval, |
2235 | case USB_ID(0x046d, 0x0826): /* HD Webcam c525 */ |
2236 | case USB_ID(0x046d, 0x08ca): /* Logitech Quickcam Fusion */ |
2237 | case USB_ID(0x046d, 0x0991): |
2238 | + case USB_ID(0x046d, 0x09a2): /* QuickCam Communicate Deluxe/S7500 */ |
2239 | /* Most audio usb devices lie about volume resolution. |
2240 | * Most Logitech webcams have res = 384. |
2241 | - * Proboly there is some logitech magic behind this number --fishor |
2242 | + * Probably there is some logitech magic behind this number --fishor |
2243 | */ |
2244 | if (!strcmp(kctl->id.name, "Mic Capture Volume")) { |
2245 | usb_audio_info(chip, |