diff --git a/Makefile b/Makefile index 8ebbb60f2078a..2213fe336705f 100644 --- a/Makefile +++ b/Makefile @@ -1,6 +1,6 @@ VERSION = 4 PATCHLEVEL = 9 -SUBLEVEL = 251 +SUBLEVEL = 252 EXTRAVERSION = NAME = Roaring Lionus diff --git a/arch/arm/mach-omap2/omap_device.c b/arch/arm/mach-omap2/omap_device.c index f989145480c8f..bf236b7af8c1a 100644 --- a/arch/arm/mach-omap2/omap_device.c +++ b/arch/arm/mach-omap2/omap_device.c @@ -224,10 +224,12 @@ static int _omap_device_notifier_call(struct notifier_block *nb, break; case BUS_NOTIFY_BIND_DRIVER: od = to_omap_device(pdev); - if (od && (od->_state == OMAP_DEVICE_STATE_ENABLED) && - pm_runtime_status_suspended(dev)) { + if (od) { od->_driver_status = BUS_NOTIFY_BIND_DRIVER; - pm_runtime_set_active(dev); + if (od->_state == OMAP_DEVICE_STATE_ENABLED && + pm_runtime_status_suspended(dev)) { + pm_runtime_set_active(dev); + } } break; case BUS_NOTIFY_ADD_DEVICE: diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c index 0ad81fa13688f..10d80456f38f1 100644 --- a/arch/arm64/kvm/sys_regs.c +++ b/arch/arm64/kvm/sys_regs.c @@ -450,6 +450,10 @@ static void reset_pmcr(struct kvm_vcpu *vcpu, const struct sys_reg_desc *r) { u64 pmcr, val; + /* No PMU available, PMCR_EL0 may UNDEF... */ + if (!kvm_arm_support_pmu_v3()) + return; + pmcr = read_sysreg(pmcr_el0); /* * Writable bits of PMCR_EL0 (ARMV8_PMU_PMCR_MASK) are reset to UNKNOWN diff --git a/arch/powerpc/include/asm/book3s/32/pgtable.h b/arch/powerpc/include/asm/book3s/32/pgtable.h index 6b8b2d57fdc8c..e588028922a83 100644 --- a/arch/powerpc/include/asm/book3s/32/pgtable.h +++ b/arch/powerpc/include/asm/book3s/32/pgtable.h @@ -411,9 +411,9 @@ static inline void __set_pte_at(struct mm_struct *mm, unsigned long addr, if (pte_val(*ptep) & _PAGE_HASHPTE) flush_hash_entry(mm, ptep, addr); __asm__ __volatile__("\ - stw%U0%X0 %2,%0\n\ + stw%X0 %2,%0\n\ eieio\n\ - stw%U0%X0 %L2,%1" + stw%X1 %L2,%1" : "=m" (*ptep), "=m" (*((unsigned char *)ptep+4)) : "r" (pte) : "memory"); diff --git a/arch/powerpc/include/asm/nohash/pgtable.h b/arch/powerpc/include/asm/nohash/pgtable.h index 1263c22d60d85..330fe178c0c5e 100644 --- a/arch/powerpc/include/asm/nohash/pgtable.h +++ b/arch/powerpc/include/asm/nohash/pgtable.h @@ -155,9 +155,9 @@ static inline void __set_pte_at(struct mm_struct *mm, unsigned long addr, flush_hash_entry(mm, ptep, addr); #endif __asm__ __volatile__("\ - stw%U0%X0 %2,%0\n\ + stw%X0 %2,%0\n\ eieio\n\ - stw%U0%X0 %L2,%1" + stw%X1 %L2,%1" : "=m" (*ptep), "=m" (*((unsigned char *)ptep+4)) : "r" (pte) : "memory"); diff --git a/block/genhd.c b/block/genhd.c index fcd6d4fae657c..9c1adfd768d2c 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -159,14 +159,17 @@ struct hd_struct *disk_part_iter_next(struct disk_part_iter *piter) part = rcu_dereference(ptbl->part[piter->idx]); if (!part) continue; + get_device(part_to_dev(part)); + piter->part = part; if (!part_nr_sects_read(part) && !(piter->flags & DISK_PITER_INCL_EMPTY) && !(piter->flags & DISK_PITER_INCL_EMPTY_PART0 && - piter->idx == 0)) + piter->idx == 0)) { + put_device(part_to_dev(part)); + piter->part = NULL; continue; + } - get_device(part_to_dev(part)); - piter->part = part; piter->idx += inc; break; } diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig index 39dd30b6ef86e..894102fd5a069 100644 --- a/drivers/block/Kconfig +++ b/drivers/block/Kconfig @@ -530,6 +530,7 @@ config BLK_DEV_RBD config BLK_DEV_RSXX tristate "IBM Flash Adapter 900GB Full Height PCIe Device Driver" depends on PCI + select CRC32 help Device driver for IBM's high speed PCIe SSD storage device: Flash Adapter 900GB Full Height. diff --git a/drivers/cpufreq/powernow-k8.c b/drivers/cpufreq/powernow-k8.c index 0b5bf135b0907..59f16807921ad 100644 --- a/drivers/cpufreq/powernow-k8.c +++ b/drivers/cpufreq/powernow-k8.c @@ -887,9 +887,9 @@ static int get_transition_latency(struct powernow_k8_data *data) /* Take a frequency, and issue the fid/vid transition command */ static int transition_frequency_fidvid(struct powernow_k8_data *data, - unsigned int index) + unsigned int index, + struct cpufreq_policy *policy) { - struct cpufreq_policy *policy; u32 fid = 0; u32 vid = 0; int res; @@ -921,9 +921,6 @@ static int transition_frequency_fidvid(struct powernow_k8_data *data, freqs.old = find_khz_freq_from_fid(data->currfid); freqs.new = find_khz_freq_from_fid(fid); - policy = cpufreq_cpu_get(smp_processor_id()); - cpufreq_cpu_put(policy); - cpufreq_freq_transition_begin(policy, &freqs); res = transition_fid_vid(data, fid, vid); cpufreq_freq_transition_end(policy, &freqs, res); @@ -978,7 +975,7 @@ static long powernowk8_target_fn(void *arg) powernow_k8_acpi_pst_values(data, newstate); - ret = transition_frequency_fidvid(data, newstate); + ret = transition_frequency_fidvid(data, newstate, pol); if (ret) { pr_err("transition frequency failed\n"); diff --git a/drivers/dma/xilinx/xilinx_dma.c b/drivers/dma/xilinx/xilinx_dma.c index ef99ef0bb1ca2..f00652585ee31 100644 --- a/drivers/dma/xilinx/xilinx_dma.c +++ b/drivers/dma/xilinx/xilinx_dma.c @@ -2357,7 +2357,7 @@ static int xilinx_dma_chan_probe(struct xilinx_dma_device *xdev, has_dre = false; if (!has_dre) - xdev->common.copy_align = fls(width - 1); + xdev->common.copy_align = (enum dmaengine_alignment)fls(width - 1); if (of_device_is_compatible(node, "xlnx,axi-vdma-mm2s-channel") || of_device_is_compatible(node, "xlnx,axi-dma-mm2s-channel") || @@ -2630,7 +2630,11 @@ static int xilinx_dma_probe(struct platform_device *pdev) } /* Register the DMA engine with the core */ - dma_async_device_register(&xdev->common); + err = dma_async_device_register(&xdev->common); + if (err) { + dev_err(xdev->dev, "failed to register the dma device\n"); + goto error; + } err = of_dma_controller_register(node, of_dma_xilinx_xlate, xdev); diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c index 4548d89abcdc3..ff8168c60b35a 100644 --- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c +++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c @@ -882,7 +882,7 @@ eb_vma_misplaced(struct i915_vma *vma) return !only_mappable_for_reloc(entry->flags); if ((entry->flags & EXEC_OBJECT_SUPPORTS_48B_ADDRESS) == 0 && - (vma->node.start + vma->node.size - 1) >> 32) + (vma->node.start + vma->node.size + 4095) >> 32) return true; return false; diff --git a/drivers/iommu/intel_irq_remapping.c b/drivers/iommu/intel_irq_remapping.c index ce125ec23d2a5..88ba1a65c2830 100644 --- a/drivers/iommu/intel_irq_remapping.c +++ b/drivers/iommu/intel_irq_remapping.c @@ -1350,6 +1350,8 @@ static int intel_irq_remapping_alloc(struct irq_domain *domain, irq_data = irq_domain_get_irq_data(domain, virq + i); irq_cfg = irqd_cfg(irq_data); if (!irq_data || !irq_cfg) { + if (!i) + kfree(data); ret = -EINVAL; goto out_free_data; } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_fs.c b/drivers/net/ethernet/mellanox/mlx5/core/en_fs.c index 8cd7227fbdfce..3dd0bc8804c1a 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_fs.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_fs.c @@ -930,6 +930,7 @@ err_destroy_groups: ft->g[ft->num_groups] = NULL; mlx5e_destroy_groups(ft); kvfree(in); + kfree(ft->g); return err; } diff --git a/drivers/net/wan/Kconfig b/drivers/net/wan/Kconfig index 4e9fe75d70675..069f933b0add2 100644 --- a/drivers/net/wan/Kconfig +++ b/drivers/net/wan/Kconfig @@ -295,6 +295,7 @@ config SLIC_DS26522 tristate "Slic Maxim ds26522 card support" depends on SPI depends on FSL_SOC || ARCH_MXC || ARCH_LAYERSCAPE || COMPILE_TEST + select BITREVERSE help This module initializes and configures the slic maxim card in T1 or E1 mode. diff --git a/drivers/net/wireless/ath/wil6210/Kconfig b/drivers/net/wireless/ath/wil6210/Kconfig index 6dfedc8bd6a3d..7df13a684d2df 100644 --- a/drivers/net/wireless/ath/wil6210/Kconfig +++ b/drivers/net/wireless/ath/wil6210/Kconfig @@ -1,6 +1,7 @@ config WIL6210 tristate "Wilocity 60g WiFi card wil6210 support" select WANT_DEV_COREDUMP + select CRC32 depends on CFG80211 depends on PCI default n diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c index da3834fe5e570..9bb6a574ab2fe 100644 --- a/drivers/spi/spi-pxa2xx.c +++ b/drivers/spi/spi-pxa2xx.c @@ -1606,7 +1606,7 @@ static int pxa2xx_spi_probe(struct platform_device *pdev) return -ENODEV; } - master = spi_alloc_master(dev, sizeof(struct driver_data)); + master = devm_spi_alloc_master(dev, sizeof(*drv_data)); if (!master) { dev_err(&pdev->dev, "cannot alloc spi_master\n"); pxa_ssp_free(ssp); @@ -1788,7 +1788,6 @@ out_error_clock_enabled: free_irq(ssp->irq, drv_data); out_error_master_alloc: - spi_master_put(master); pxa_ssp_free(ssp); return status; } diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c index e738b4621cbba..ecd707f74ddcb 100644 --- a/drivers/target/target_core_transport.c +++ b/drivers/target/target_core_transport.c @@ -1736,6 +1736,10 @@ void transport_generic_request_failure(struct se_cmd *cmd, case TCM_LOGICAL_BLOCK_APP_TAG_CHECK_FAILED: case TCM_LOGICAL_BLOCK_REF_TAG_CHECK_FAILED: case TCM_COPY_TARGET_DEVICE_NOT_REACHABLE: + case TCM_TOO_MANY_TARGET_DESCS: + case TCM_UNSUPPORTED_TARGET_DESC_TYPE_CODE: + case TCM_TOO_MANY_SEGMENT_DESCS: + case TCM_UNSUPPORTED_SEGMENT_DESC_TYPE_CODE: break; case TCM_OUT_OF_RESOURCES: sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; @@ -2886,6 +2890,26 @@ static const struct sense_info sense_info_table[] = { .key = ILLEGAL_REQUEST, .asc = 0x26, /* INVALID FIELD IN PARAMETER LIST */ }, + [TCM_TOO_MANY_TARGET_DESCS] = { + .key = ILLEGAL_REQUEST, + .asc = 0x26, + .ascq = 0x06, /* TOO MANY TARGET DESCRIPTORS */ + }, + [TCM_UNSUPPORTED_TARGET_DESC_TYPE_CODE] = { + .key = ILLEGAL_REQUEST, + .asc = 0x26, + .ascq = 0x07, /* UNSUPPORTED TARGET DESCRIPTOR TYPE CODE */ + }, + [TCM_TOO_MANY_SEGMENT_DESCS] = { + .key = ILLEGAL_REQUEST, + .asc = 0x26, + .ascq = 0x08, /* TOO MANY SEGMENT DESCRIPTORS */ + }, + [TCM_UNSUPPORTED_SEGMENT_DESC_TYPE_CODE] = { + .key = ILLEGAL_REQUEST, + .asc = 0x26, + .ascq = 0x09, /* UNSUPPORTED SEGMENT DESCRIPTOR TYPE CODE */ + }, [TCM_PARAMETER_LIST_LENGTH_ERROR] = { .key = ILLEGAL_REQUEST, .asc = 0x1a, /* PARAMETER LIST LENGTH ERROR */ diff --git a/drivers/target/target_core_xcopy.c b/drivers/target/target_core_xcopy.c index 18848ba8d2ba0..84e3bf1132fd5 100644 --- a/drivers/target/target_core_xcopy.c +++ b/drivers/target/target_core_xcopy.c @@ -52,64 +52,87 @@ static int target_xcopy_gen_naa_ieee(struct se_device *dev, unsigned char *buf) return 0; } -static int target_xcopy_locate_se_dev_e4(struct se_cmd *se_cmd, struct xcopy_op *xop, - bool src) +/** + * target_xcopy_locate_se_dev_e4_iter - compare XCOPY NAA device identifiers + * + * @se_dev: device being considered for match + * @dev_wwn: XCOPY requested NAA dev_wwn + * @return: 1 on match, 0 on no-match + */ +static int target_xcopy_locate_se_dev_e4_iter(struct se_device *se_dev, + const unsigned char *dev_wwn) { - struct se_device *se_dev; - unsigned char tmp_dev_wwn[XCOPY_NAA_IEEE_REGEX_LEN], *dev_wwn; + unsigned char tmp_dev_wwn[XCOPY_NAA_IEEE_REGEX_LEN]; int rc; - if (src) - dev_wwn = &xop->dst_tid_wwn[0]; - else - dev_wwn = &xop->src_tid_wwn[0]; - - mutex_lock(&g_device_mutex); - list_for_each_entry(se_dev, &g_device_list, g_dev_node) { - - if (!se_dev->dev_attrib.emulate_3pc) - continue; + if (!se_dev->dev_attrib.emulate_3pc) { + pr_debug("XCOPY: emulate_3pc disabled on se_dev %p\n", se_dev); + return 0; + } - memset(&tmp_dev_wwn[0], 0, XCOPY_NAA_IEEE_REGEX_LEN); - target_xcopy_gen_naa_ieee(se_dev, &tmp_dev_wwn[0]); + memset(&tmp_dev_wwn[0], 0, XCOPY_NAA_IEEE_REGEX_LEN); + target_xcopy_gen_naa_ieee(se_dev, &tmp_dev_wwn[0]); - rc = memcmp(&tmp_dev_wwn[0], dev_wwn, XCOPY_NAA_IEEE_REGEX_LEN); - if (rc != 0) - continue; + rc = memcmp(&tmp_dev_wwn[0], dev_wwn, XCOPY_NAA_IEEE_REGEX_LEN); + if (rc != 0) { + pr_debug("XCOPY: skip non-matching: %*ph\n", + XCOPY_NAA_IEEE_REGEX_LEN, tmp_dev_wwn); + return 0; + } + pr_debug("XCOPY 0xe4: located se_dev: %p\n", se_dev); - if (src) { - xop->dst_dev = se_dev; - pr_debug("XCOPY 0xe4: Setting xop->dst_dev: %p from located" - " se_dev\n", xop->dst_dev); - } else { - xop->src_dev = se_dev; - pr_debug("XCOPY 0xe4: Setting xop->src_dev: %p from located" - " se_dev\n", xop->src_dev); - } + return 1; +} - rc = target_depend_item(&se_dev->dev_group.cg_item); - if (rc != 0) { - pr_err("configfs_depend_item attempt failed:" - " %d for se_dev: %p\n", rc, se_dev); - mutex_unlock(&g_device_mutex); - return rc; +static int target_xcopy_locate_se_dev_e4(struct se_session *sess, + const unsigned char *dev_wwn, + struct se_device **_found_dev, + struct percpu_ref **_found_lun_ref) +{ + struct se_dev_entry *deve; + struct se_node_acl *nacl; + struct se_lun *this_lun = NULL; + struct se_device *found_dev = NULL; + + /* cmd with NULL sess indicates no associated $FABRIC_MOD */ + if (!sess) + goto err_out; + + pr_debug("XCOPY 0xe4: searching for: %*ph\n", + XCOPY_NAA_IEEE_REGEX_LEN, dev_wwn); + + nacl = sess->se_node_acl; + rcu_read_lock(); + hlist_for_each_entry_rcu(deve, &nacl->lun_entry_hlist, link) { + struct se_device *this_dev; + int rc; + + this_lun = rcu_dereference(deve->se_lun); + this_dev = rcu_dereference_raw(this_lun->lun_se_dev); + + rc = target_xcopy_locate_se_dev_e4_iter(this_dev, dev_wwn); + if (rc) { + if (percpu_ref_tryget_live(&this_lun->lun_ref)) + found_dev = this_dev; + break; } - - pr_debug("Called configfs_depend_item for se_dev: %p" - " se_dev->se_dev_group: %p\n", se_dev, - &se_dev->dev_group); - - mutex_unlock(&g_device_mutex); - return 0; } - mutex_unlock(&g_device_mutex); - + rcu_read_unlock(); + if (found_dev == NULL) + goto err_out; + + pr_debug("lun_ref held for se_dev: %p se_dev->se_dev_group: %p\n", + found_dev, &found_dev->dev_group); + *_found_dev = found_dev; + *_found_lun_ref = &this_lun->lun_ref; + return 0; +err_out: pr_debug_ratelimited("Unable to locate 0xe4 descriptor for EXTENDED_COPY\n"); return -EINVAL; } static int target_xcopy_parse_tiddesc_e4(struct se_cmd *se_cmd, struct xcopy_op *xop, - unsigned char *p, bool src) + unsigned char *p, unsigned short cscd_index) { unsigned char *desc = p; unsigned short ript; @@ -154,7 +177,13 @@ static int target_xcopy_parse_tiddesc_e4(struct se_cmd *se_cmd, struct xcopy_op return -EINVAL; } - if (src) { + if (cscd_index != xop->stdi && cscd_index != xop->dtdi) { + pr_debug("XCOPY 0xe4: ignoring CSCD entry %d - neither src nor " + "dest\n", cscd_index); + return 0; + } + + if (cscd_index == xop->stdi) { memcpy(&xop->src_tid_wwn[0], &desc[8], XCOPY_NAA_IEEE_REGEX_LEN); /* * Determine if the source designator matches the local device @@ -166,10 +195,15 @@ static int target_xcopy_parse_tiddesc_e4(struct se_cmd *se_cmd, struct xcopy_op pr_debug("XCOPY 0xe4: Set xop->src_dev %p from source" " received xop\n", xop->src_dev); } - } else { + } + + if (cscd_index == xop->dtdi) { memcpy(&xop->dst_tid_wwn[0], &desc[8], XCOPY_NAA_IEEE_REGEX_LEN); /* - * Determine if the destination designator matches the local device + * Determine if the destination designator matches the local + * device. If @cscd_index corresponds to both source (stdi) and + * destination (dtdi), or dtdi comes after stdi, then + * XCOL_DEST_RECV_OP wins. */ if (!memcmp(&xop->local_dev_wwn[0], &xop->dst_tid_wwn[0], XCOPY_NAA_IEEE_REGEX_LEN)) { @@ -189,9 +223,9 @@ static int target_xcopy_parse_target_descriptors(struct se_cmd *se_cmd, { struct se_device *local_dev = se_cmd->se_dev; unsigned char *desc = p; - int offset = tdll % XCOPY_TARGET_DESC_LEN, rc, ret = 0; + int offset = tdll % XCOPY_TARGET_DESC_LEN, rc; + unsigned short cscd_index = 0; unsigned short start = 0; - bool src = true; *sense_ret = TCM_INVALID_PARAMETER_LIST; @@ -214,25 +248,19 @@ static int target_xcopy_parse_target_descriptors(struct se_cmd *se_cmd, while (start < tdll) { /* - * Check target descriptor identification with 0xE4 type with - * use VPD 0x83 WWPN matching .. + * Check target descriptor identification with 0xE4 type, and + * compare the current index with the CSCD descriptor IDs in + * the segment descriptor. Use VPD 0x83 WWPN matching .. */ switch (desc[0]) { case 0xe4: rc = target_xcopy_parse_tiddesc_e4(se_cmd, xop, - &desc[0], src); + &desc[0], cscd_index); if (rc != 0) goto out; - /* - * Assume target descriptors are in source -> destination order.. - */ - if (src) - src = false; - else - src = true; start += XCOPY_TARGET_DESC_LEN; desc += XCOPY_TARGET_DESC_LEN; - ret++; + cscd_index++; break; default: pr_err("XCOPY unsupported descriptor type code:" @@ -241,10 +269,25 @@ static int target_xcopy_parse_target_descriptors(struct se_cmd *se_cmd, } } - if (xop->op_origin == XCOL_SOURCE_RECV_OP) - rc = target_xcopy_locate_se_dev_e4(se_cmd, xop, true); - else - rc = target_xcopy_locate_se_dev_e4(se_cmd, xop, false); + switch (xop->op_origin) { + case XCOL_SOURCE_RECV_OP: + rc = target_xcopy_locate_se_dev_e4(se_cmd->se_sess, + xop->dst_tid_wwn, + &xop->dst_dev, + &xop->remote_lun_ref); + break; + case XCOL_DEST_RECV_OP: + rc = target_xcopy_locate_se_dev_e4(se_cmd->se_sess, + xop->src_tid_wwn, + &xop->src_dev, + &xop->remote_lun_ref); + break; + default: + pr_err("XCOPY CSCD descriptor IDs not found in CSCD list - " + "stdi: %hu dtdi: %hu\n", xop->stdi, xop->dtdi); + rc = -EINVAL; + break; + } /* * If a matching IEEE NAA 0x83 descriptor for the requested device * is not located on this node, return COPY_ABORTED with ASQ/ASQC @@ -261,7 +304,7 @@ static int target_xcopy_parse_target_descriptors(struct se_cmd *se_cmd, pr_debug("XCOPY TGT desc: Dest dev: %p NAA IEEE WWN: 0x%16phN\n", xop->dst_dev, &xop->dst_tid_wwn[0]); - return ret; + return cscd_index; out: return -EINVAL; @@ -305,17 +348,26 @@ static int target_xcopy_parse_segdesc_02(struct se_cmd *se_cmd, struct xcopy_op static int target_xcopy_parse_segment_descriptors(struct se_cmd *se_cmd, struct xcopy_op *xop, unsigned char *p, - unsigned int sdll) + unsigned int sdll, sense_reason_t *sense_ret) { unsigned char *desc = p; unsigned int start = 0; int offset = sdll % XCOPY_SEGMENT_DESC_LEN, rc, ret = 0; + *sense_ret = TCM_INVALID_PARAMETER_LIST; + if (offset != 0) { pr_err("XCOPY segment descriptor list length is not" " multiple of %d\n", XCOPY_SEGMENT_DESC_LEN); return -EINVAL; } + if (sdll > RCR_OP_MAX_SG_DESC_COUNT * XCOPY_SEGMENT_DESC_LEN) { + pr_err("XCOPY supports %u segment descriptor(s), sdll: %u too" + " large..\n", RCR_OP_MAX_SG_DESC_COUNT, sdll); + /* spc4r37 6.4.3.5 SEGMENT DESCRIPTOR LIST LENGTH field */ + *sense_ret = TCM_TOO_MANY_SEGMENT_DESCS; + return -EINVAL; + } while (start < sdll) { /* @@ -372,18 +424,12 @@ static int xcopy_pt_get_cmd_state(struct se_cmd *se_cmd) static void xcopy_pt_undepend_remotedev(struct xcopy_op *xop) { - struct se_device *remote_dev; - if (xop->op_origin == XCOL_SOURCE_RECV_OP) - remote_dev = xop->dst_dev; + pr_debug("putting dst lun_ref for %p\n", xop->dst_dev); else - remote_dev = xop->src_dev; + pr_debug("putting src lun_ref for %p\n", xop->src_dev); - pr_debug("Calling configfs_undepend_item for" - " remote_dev: %p remote_dev->dev_group: %p\n", - remote_dev, &remote_dev->dev_group.cg_item); - - target_undepend_item(&remote_dev->dev_group.cg_item); + percpu_ref_put(xop->remote_lun_ref); } static void xcopy_pt_release_cmd(struct se_cmd *se_cmd) @@ -893,6 +939,20 @@ sense_reason_t target_do_xcopy(struct se_cmd *se_cmd) " tdll: %hu sdll: %u inline_dl: %u\n", list_id, list_id_usage, tdll, sdll, inline_dl); + /* + * skip over the target descriptors until segment descriptors + * have been passed - CSCD ids are needed to determine src and dest. + */ + seg_desc = &p[16] + tdll; + + rc = target_xcopy_parse_segment_descriptors(se_cmd, xop, seg_desc, + sdll, &ret); + if (rc <= 0) + goto out; + + pr_debug("XCOPY: Processed %d segment descriptors, length: %u\n", rc, + rc * XCOPY_SEGMENT_DESC_LEN); + rc = target_xcopy_parse_target_descriptors(se_cmd, xop, &p[16], tdll, &ret); if (rc <= 0) goto out; @@ -910,18 +970,8 @@ sense_reason_t target_do_xcopy(struct se_cmd *se_cmd) pr_debug("XCOPY: Processed %d target descriptors, length: %u\n", rc, rc * XCOPY_TARGET_DESC_LEN); - seg_desc = &p[16]; - seg_desc += (rc * XCOPY_TARGET_DESC_LEN); - - rc = target_xcopy_parse_segment_descriptors(se_cmd, xop, seg_desc, sdll); - if (rc <= 0) { - xcopy_pt_undepend_remotedev(xop); - goto out; - } transport_kunmap_data_sg(se_cmd); - pr_debug("XCOPY: Processed %d segment descriptors, length: %u\n", rc, - rc * XCOPY_SEGMENT_DESC_LEN); INIT_WORK(&xop->xop_work, target_xcopy_do_work); queue_work(xcopy_wq, &xop->xop_work); return TCM_NO_SENSE; diff --git a/drivers/target/target_core_xcopy.h b/drivers/target/target_core_xcopy.h index 700a981c7b415..7db8d0c9223f8 100644 --- a/drivers/target/target_core_xcopy.h +++ b/drivers/target/target_core_xcopy.h @@ -19,6 +19,7 @@ struct xcopy_op { struct se_device *dst_dev; unsigned char dst_tid_wwn[XCOPY_NAA_IEEE_REGEX_LEN]; unsigned char local_dev_wwn[XCOPY_NAA_IEEE_REGEX_LEN]; + struct percpu_ref *remote_lun_ref; sector_t src_lba; sector_t dst_lba; diff --git a/fs/ubifs/io.c b/fs/ubifs/io.c index 9213a9e046ae0..99caaae01caba 100644 --- a/fs/ubifs/io.c +++ b/fs/ubifs/io.c @@ -331,7 +331,7 @@ void ubifs_pad(const struct ubifs_info *c, void *buf, int pad) { uint32_t crc; - ubifs_assert(pad >= 0 && !(pad & 7)); + ubifs_assert(pad >= 0); if (pad >= UBIFS_PAD_NODE_SZ) { struct ubifs_ch *ch = buf; @@ -721,6 +721,10 @@ int ubifs_wbuf_write_nolock(struct ubifs_wbuf *wbuf, void *buf, int len) * write-buffer. */ memcpy(wbuf->buf + wbuf->used, buf, len); + if (aligned_len > len) { + ubifs_assert(aligned_len - len < 8); + ubifs_pad(c, wbuf->buf + wbuf->used + len, aligned_len - len); + } if (aligned_len == wbuf->avail) { dbg_io("flush jhead %s wbuf to LEB %d:%d", @@ -813,13 +817,18 @@ int ubifs_wbuf_write_nolock(struct ubifs_wbuf *wbuf, void *buf, int len) } spin_lock(&wbuf->lock); - if (aligned_len) + if (aligned_len) { /* * And now we have what's left and what does not take whole * max. write unit, so write it to the write-buffer and we are * done. */ memcpy(wbuf->buf, buf + written, len); + if (aligned_len > len) { + ubifs_assert(aligned_len - len < 8); + ubifs_pad(c, wbuf->buf + len, aligned_len - len); + } + } if (c->leb_size - wbuf->offs >= c->max_write_size) wbuf->size = c->max_write_size; diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h index 4fdb1d9848444..36198563fb8bc 100644 --- a/include/asm-generic/vmlinux.lds.h +++ b/include/asm-generic/vmlinux.lds.h @@ -460,7 +460,10 @@ */ #define TEXT_TEXT \ ALIGN_FUNCTION(); \ - *(.text.hot TEXT_MAIN .text.fixup .text.unlikely) \ + *(.text.hot .text.hot.*) \ + *(TEXT_MAIN .text.fixup) \ + *(.text.unlikely .text.unlikely.*) \ + *(.text.unknown .text.unknown.*) \ *(.ref.text) \ MEM_KEEP(init.text) \ MEM_KEEP(exit.text) \ diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h index 30f99ce4c6cea..8a70d38f13329 100644 --- a/include/target/target_core_base.h +++ b/include/target/target_core_base.h @@ -178,6 +178,10 @@ enum tcm_sense_reason_table { TCM_LOGICAL_BLOCK_APP_TAG_CHECK_FAILED = R(0x16), TCM_LOGICAL_BLOCK_REF_TAG_CHECK_FAILED = R(0x17), TCM_COPY_TARGET_DEVICE_NOT_REACHABLE = R(0x18), + TCM_TOO_MANY_TARGET_DESCS = R(0x19), + TCM_UNSUPPORTED_TARGET_DESC_TYPE_CODE = R(0x1a), + TCM_TOO_MANY_SEGMENT_DESCS = R(0x1b), + TCM_UNSUPPORTED_SEGMENT_DESC_TYPE_CODE = R(0x1c), #undef R }; diff --git a/net/core/skbuff.c b/net/core/skbuff.c index a4c4234976862..026f4525063c1 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -1592,6 +1592,12 @@ int pskb_trim_rcsum_slow(struct sk_buff *skb, unsigned int len) skb->csum = csum_block_sub(skb->csum, skb_checksum(skb, len, delta, 0), len); + } else if (skb->ip_summed == CHECKSUM_PARTIAL) { + int hdlen = (len > skb_headlen(skb)) ? skb_headlen(skb) : len; + int offset = skb_checksum_start_offset(skb) + skb->csum_offset; + + if (offset + sizeof(__sum16) > hdlen) + return -EINVAL; } return __pskb_trim(skb, len); } diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c index c37e9598262e5..3164bae4024a4 100644 --- a/net/ipv4/ip_output.c +++ b/net/ipv4/ip_output.c @@ -300,7 +300,7 @@ static int ip_finish_output(struct net *net, struct sock *sk, struct sk_buff *sk if (skb_is_gso(skb)) return ip_finish_output_gso(net, sk, skb, mtu); - if (skb->len > mtu || (IPCB(skb)->flags & IPSKB_FRAG_PMTU)) + if (skb->len > mtu || IPCB(skb)->frag_max_size) return ip_fragment(net, sk, skb, mtu, ip_finish_output2); return ip_finish_output2(net, sk, skb); diff --git a/net/ipv4/ip_tunnel.c b/net/ipv4/ip_tunnel.c index 5f2e3334cccec..26e1dbc958189 100644 --- a/net/ipv4/ip_tunnel.c +++ b/net/ipv4/ip_tunnel.c @@ -743,7 +743,11 @@ void ip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev, goto tx_error; } - if (tnl_update_pmtu(dev, skb, rt, tnl_params->frag_off, inner_iph)) { + df = tnl_params->frag_off; + if (skb->protocol == htons(ETH_P_IP) && !tunnel->ignore_df) + df |= (inner_iph->frag_off & htons(IP_DF)); + + if (tnl_update_pmtu(dev, skb, rt, df, inner_iph)) { ip_rt_put(rt); goto tx_error; } @@ -771,10 +775,6 @@ void ip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev, ttl = ip4_dst_hoplimit(&rt->dst); } - df = tnl_params->frag_off; - if (skb->protocol == htons(ETH_P_IP) && !tunnel->ignore_df) - df |= (inner_iph->frag_off&htons(IP_DF)); - max_headroom = LL_RESERVED_SPACE(rt->dst.dev) + sizeof(struct iphdr) + rt->dst.header_len + ip_encap_hlen(&tunnel->encap); if (max_headroom > dev->needed_headroom)