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SubjectRe: Linux 4.4.252
Date
diff --git a/Makefile b/Makefile
index 4af4da515593..478c81cc6e83 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
VERSION = 4
PATCHLEVEL = 4
-SUBLEVEL = 251
+SUBLEVEL = 252
EXTRAVERSION =
NAME = Blurry Fish Butt

diff --git a/arch/powerpc/include/asm/pgtable.h b/arch/powerpc/include/asm/pgtable.h
index b64b4212b71f..408f9e1fa24a 100644
--- a/arch/powerpc/include/asm/pgtable.h
+++ b/arch/powerpc/include/asm/pgtable.h
@@ -149,9 +149,9 @@ 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 3032453a89e6..0b8c65e51adf 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -158,14 +158,17 @@ 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 29819e719afa..c794e215ea3d 100644
--- a/drivers/block/Kconfig
+++ b/drivers/block/Kconfig
@@ -540,6 +540,7 @@ 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 0b5bf135b090..59f16807921a 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/iommu/intel_irq_remapping.c b/drivers/iommu/intel_irq_remapping.c
index ce125ec23d2a..88ba1a65c283 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/wireless/ath/wil6210/Kconfig b/drivers/net/wireless/ath/wil6210/Kconfig
index 6dfedc8bd6a3..7df13a684d2d 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 cfcc5a9a5cc9..d696cdd961a9 100644
--- a/drivers/spi/spi-pxa2xx.c
+++ b/drivers/spi/spi-pxa2xx.c
@@ -1479,7 +1479,7 @@ 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);
@@ -1619,7 +1619,6 @@ 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 7199bac67333..96cf2448a1f4 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -1730,6 +1730,10 @@ 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;
@@ -2864,6 +2868,26 @@ 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 6415e9b09a52..958737512229 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 700a981c7b41..7db8d0c9223f 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 9213a9e046ae..99caaae01cab 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 a461b6604fd9..c8535bc1826f 100644
--- a/include/asm-generic/vmlinux.lds.h
+++ b/include/asm-generic/vmlinux.lds.h
@@ -422,7 +422,10 @@
* during second ld run in second ld pass when generating System.map */
#define TEXT_TEXT \
ALIGN_FUNCTION(); \
- *(.text.hot .text .text.fixup .text.unlikely) \
+ *(.text.hot .text.hot.*) \
+ *(.text .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 0eed9fd79ea5..5aa8e0e62e30 100644
--- a/include/target/target_core_base.h
+++ b/include/target/target_core_base.h
@@ -181,6 +181,10 @@ 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 e87ec3659ef6..f77ea52be8bf 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -1516,6 +1516,12 @@ 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 0355f125d836..e808227c58d6 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -283,7 +283,7 @@ 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 3d9761516683..dc92780f9e8c 100644
--- a/net/ipv4/ip_tunnel.c
+++ b/net/ipv4/ip_tunnel.c
@@ -708,7 +708,11 @@ 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))
+ 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;
}
@@ -736,10 +740,6 @@ 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))
- 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)
\
 
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