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authorKernel Build Daemon <kbuild@suse.de>2019-03-19 07:06:53 +0100
committerKernel Build Daemon <kbuild@suse.de>2019-03-19 07:06:53 +0100
commit739dc10fb0d37af9b8f64a878cce3a356c443841 (patch)
treef09b85c8f046ebc9dbda53b6d444141e9707ec21
parentd95a8ceaf9eda3f7351040d4d16873e99d6e8dd7 (diff)
parent860d524c138511d63639b0f6eedd9b4123073e8f (diff)
Merge branch 'SLE15' into SLE15-AZURESLE15-AZURE
-rw-r--r--drivers/acpi/nfit/core.c14
-rw-r--r--drivers/gpu/drm/etnaviv/etnaviv_dump.c2
-rw-r--r--drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c2
-rw-r--r--drivers/iommu/irq_remapping.h2
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/cmd.c10
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/resource_tracker.c6
-rw-r--r--drivers/net/ppp/pptp.c1
-rw-r--r--drivers/nvdimm/label.c23
-rw-r--r--drivers/nvdimm/namespace_devs.c4
-rw-r--r--drivers/nvme/host/core.c4
-rw-r--r--drivers/video/fbdev/chipsfb.c3
-rw-r--r--fs/dcache.c6
-rw-r--r--fs/devpts/inode.c1
-rw-r--r--fs/pipe.c14
-rw-r--r--fs/proc/proc_sysctl.c13
-rw-r--r--fs/splice.c4
-rw-r--r--include/linux/pipe_fs_i.h1
-rw-r--r--kernel/trace/trace.c1
-rw-r--r--kernel/trace/trace_events_hist.c5
19 files changed, 80 insertions, 36 deletions
diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c
index dbab5d243054..64b1740b30e3 100644
--- a/drivers/acpi/nfit/core.c
+++ b/drivers/acpi/nfit/core.c
@@ -537,6 +537,13 @@ int acpi_nfit_ctl(struct nvdimm_bus_descriptor *nd_desc, struct nvdimm *nvdimm,
return -EINVAL;
}
+ if (out_obj->type != ACPI_TYPE_BUFFER) {
+ dev_dbg(dev, "%s unexpected output object type cmd: %s type: %d\n",
+ dimm_name, cmd_name, out_obj->type);
+ rc = -EINVAL;
+ goto out;
+ }
+
if (call_pkg) {
call_pkg->nd_fw_size = out_obj->buffer.length;
memcpy(call_pkg->nd_payload + call_pkg->nd_size_in,
@@ -555,13 +562,6 @@ int acpi_nfit_ctl(struct nvdimm_bus_descriptor *nd_desc, struct nvdimm *nvdimm,
return 0;
}
- if (out_obj->package.type != ACPI_TYPE_BUFFER) {
- dev_dbg(dev, "%s:%s unexpected output object type cmd: %s type: %d\n",
- __func__, dimm_name, cmd_name, out_obj->type);
- rc = -EINVAL;
- goto out;
- }
-
dev_dbg(dev, "%s:%s cmd: %s output length: %d\n", __func__, dimm_name,
cmd_name, out_obj->buffer.length);
print_hex_dump_debug(cmd_name, DUMP_PREFIX_OFFSET, 4, 4,
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_dump.c b/drivers/gpu/drm/etnaviv/etnaviv_dump.c
index 2d955d7d7b6d..e154e6fb64da 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_dump.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_dump.c
@@ -207,7 +207,7 @@ void etnaviv_core_dump(struct etnaviv_gpu *gpu)
mutex_lock(&obj->lock);
pages = etnaviv_gem_get_pages(obj);
mutex_unlock(&obj->lock);
- if (pages) {
+ if (!IS_ERR(pages)) {
int j;
iter.hdr->data[0] = bomap - bomap_start;
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c b/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c
index abed6f781281..9886620f4656 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c
@@ -26,7 +26,7 @@ struct sg_table *etnaviv_gem_prime_get_sg_table(struct drm_gem_object *obj)
int npages = obj->size >> PAGE_SHIFT;
if (WARN_ON(!etnaviv_obj->pages)) /* should have already pinned! */
- return NULL;
+ return ERR_PTR(-EINVAL);
return drm_prime_pages_to_sg(etnaviv_obj->pages, npages);
}
diff --git a/drivers/iommu/irq_remapping.h b/drivers/iommu/irq_remapping.h
index a6fe579511f3..889d21f4749a 100644
--- a/drivers/iommu/irq_remapping.h
+++ b/drivers/iommu/irq_remapping.h
@@ -64,9 +64,9 @@ struct irq_remap_ops {
extern struct irq_remap_ops intel_irq_remap_ops;
extern struct irq_remap_ops amd_iommu_irq_ops;
+extern struct irq_remap_ops hyperv_irq_remap_ops;
extern void ir_ack_apic_edge(struct irq_data *data);
-extern struct irq_remap_ops hyperv_irq_remap_ops;
#else /* CONFIG_IRQ_REMAP */
diff --git a/drivers/net/ethernet/mellanox/mlx4/cmd.c b/drivers/net/ethernet/mellanox/mlx4/cmd.c
index 6a9086dc1e92..0695014a38d7 100644
--- a/drivers/net/ethernet/mellanox/mlx4/cmd.c
+++ b/drivers/net/ethernet/mellanox/mlx4/cmd.c
@@ -2642,6 +2642,9 @@ int mlx4_cmd_use_events(struct mlx4_dev *dev)
if (!priv->cmd.context)
return -ENOMEM;
+ if (mlx4_is_mfunc(dev))
+ mutex_lock(&priv->cmd.slave_cmd_mutex);
+
down_write(&priv->cmd.switch_sem);
for (i = 0; i < priv->cmd.max_cmds; ++i) {
priv->cmd.context[i].token = i;
@@ -2667,6 +2670,8 @@ int mlx4_cmd_use_events(struct mlx4_dev *dev)
down(&priv->cmd.poll_sem);
priv->cmd.use_events = 1;
up_write(&priv->cmd.switch_sem);
+ if (mlx4_is_mfunc(dev))
+ mutex_unlock(&priv->cmd.slave_cmd_mutex);
return err;
}
@@ -2679,6 +2684,8 @@ void mlx4_cmd_use_polling(struct mlx4_dev *dev)
struct mlx4_priv *priv = mlx4_priv(dev);
int i;
+ if (mlx4_is_mfunc(dev))
+ mutex_lock(&priv->cmd.slave_cmd_mutex);
down_write(&priv->cmd.switch_sem);
priv->cmd.use_events = 0;
@@ -2686,9 +2693,12 @@ void mlx4_cmd_use_polling(struct mlx4_dev *dev)
down(&priv->cmd.event_sem);
kfree(priv->cmd.context);
+ priv->cmd.context = NULL;
up(&priv->cmd.poll_sem);
up_write(&priv->cmd.switch_sem);
+ if (mlx4_is_mfunc(dev))
+ mutex_unlock(&priv->cmd.slave_cmd_mutex);
}
struct mlx4_cmd_mailbox *mlx4_alloc_cmd_mailbox(struct mlx4_dev *dev)
diff --git a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
index db63f0ec3d01..b120d15c48c2 100644
--- a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
+++ b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
@@ -2717,13 +2717,13 @@ static int qp_get_mtt_size(struct mlx4_qp_context *qpc)
int total_pages;
int total_mem;
int page_offset = (be32_to_cpu(qpc->params2) >> 6) & 0x3f;
+ int tot;
sq_size = 1 << (log_sq_size + log_sq_sride + 4);
rq_size = (srq|rss|xrc) ? 0 : (1 << (log_rq_size + log_rq_stride + 4));
total_mem = sq_size + rq_size;
- total_pages =
- roundup_pow_of_two((total_mem + (page_offset << 6)) >>
- page_shift);
+ tot = (total_mem + (page_offset << 6)) >> page_shift;
+ total_pages = !tot ? 1 : roundup_pow_of_two(tot);
return total_pages;
}
diff --git a/drivers/net/ppp/pptp.c b/drivers/net/ppp/pptp.c
index 9a4ba7789985..551d7c7f5975 100644
--- a/drivers/net/ppp/pptp.c
+++ b/drivers/net/ppp/pptp.c
@@ -541,6 +541,7 @@ static void pptp_sock_destruct(struct sock *sk)
pppox_unbind_sock(sk);
}
skb_queue_purge(&sk->sk_receive_queue);
+ dst_release(rcu_dereference_protected(sk->sk_dst_cache, 1));
}
static int pptp_create(struct net *net, struct socket *sock, int kern)
diff --git a/drivers/nvdimm/label.c b/drivers/nvdimm/label.c
index 7afc5eecd6f5..99f50da6a4a2 100644
--- a/drivers/nvdimm/label.c
+++ b/drivers/nvdimm/label.c
@@ -760,7 +760,7 @@ static const guid_t *to_abstraction_guid(enum nvdimm_claim_class claim_class,
static int __pmem_label_update(struct nd_region *nd_region,
struct nd_mapping *nd_mapping, struct nd_namespace_pmem *nspm,
- int pos)
+ int pos, unsigned long flags)
{
struct nd_namespace_common *ndns = &nspm->nsio.common;
struct nd_interleave_set *nd_set = nd_region->nd_set;
@@ -801,7 +801,7 @@ static int __pmem_label_update(struct nd_region *nd_region,
memcpy(nd_label->uuid, nspm->uuid, NSLABEL_UUID_LEN);
if (nspm->alt_name)
memcpy(nd_label->name, nspm->alt_name, NSLABEL_NAME_LEN);
- nd_label->flags = __cpu_to_le32(NSLABEL_FLAG_UPDATING);
+ nd_label->flags = __cpu_to_le32(flags);
nd_label->nlabel = __cpu_to_le16(nd_region->ndr_mappings);
nd_label->position = __cpu_to_le16(pos);
nd_label->isetcookie = __cpu_to_le64(cookie);
@@ -1255,13 +1255,13 @@ static int del_labels(struct nd_mapping *nd_mapping, u8 *uuid)
int nd_pmem_namespace_label_update(struct nd_region *nd_region,
struct nd_namespace_pmem *nspm, resource_size_t size)
{
- int i;
+ int i, rc;
for (i = 0; i < nd_region->ndr_mappings; i++) {
struct nd_mapping *nd_mapping = &nd_region->mapping[i];
struct nvdimm_drvdata *ndd = to_ndd(nd_mapping);
struct resource *res;
- int rc, count = 0;
+ int count = 0;
if (size == 0) {
rc = del_labels(nd_mapping, nspm->uuid);
@@ -1279,7 +1279,20 @@ int nd_pmem_namespace_label_update(struct nd_region *nd_region,
if (rc < 0)
return rc;
- rc = __pmem_label_update(nd_region, nd_mapping, nspm, i);
+ rc = __pmem_label_update(nd_region, nd_mapping, nspm, i,
+ NSLABEL_FLAG_UPDATING);
+ if (rc)
+ return rc;
+ }
+
+ if (size == 0)
+ return 0;
+
+ /* Clear the UPDATING flag per UEFI 2.7 expectations */
+ for (i = 0; i < nd_region->ndr_mappings; i++) {
+ struct nd_mapping *nd_mapping = &nd_region->mapping[i];
+
+ rc = __pmem_label_update(nd_region, nd_mapping, nspm, i, 0);
if (rc)
return rc;
}
diff --git a/drivers/nvdimm/namespace_devs.c b/drivers/nvdimm/namespace_devs.c
index 6cb9cd3b7134..acf58d2bcf02 100644
--- a/drivers/nvdimm/namespace_devs.c
+++ b/drivers/nvdimm/namespace_devs.c
@@ -138,6 +138,7 @@ bool nd_is_uuid_unique(struct device *dev, u8 *uuid)
bool pmem_should_map_pages(struct device *dev)
{
struct nd_region *nd_region = to_nd_region(dev->parent);
+ struct nd_namespace_common *ndns = to_ndns(dev);
struct nd_namespace_io *nsio;
if (!IS_ENABLED(CONFIG_ZONE_DEVICE))
@@ -149,6 +150,9 @@ bool pmem_should_map_pages(struct device *dev)
if (is_nd_pfn(dev) || is_nd_btt(dev))
return false;
+ if (ndns->force_raw)
+ return false;
+
nsio = to_nd_namespace_io(dev);
if (region_intersects(nsio->res.start, resource_size(&nsio->res),
IORESOURCE_SYSTEM_RAM,
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index e9bc23326cc1..23271d139514 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -3298,6 +3298,9 @@ void nvme_remove_namespaces(struct nvme_ctrl *ctrl)
{
struct nvme_ns *ns, *next;
+ /* prevent racing with ns scanning */
+ flush_work(&ctrl->scan_work);
+
/*
* The dead states indicates the controller was not gracefully
* disconnected. In that case, we won't be able to flush any data while
@@ -3449,7 +3452,6 @@ void nvme_stop_ctrl(struct nvme_ctrl *ctrl)
nvme_mpath_stop(ctrl);
nvme_stop_keep_alive(ctrl);
flush_work(&ctrl->async_event_work);
- flush_work(&ctrl->scan_work);
cancel_work_sync(&ctrl->fw_act_work);
}
EXPORT_SYMBOL_GPL(nvme_stop_ctrl);
diff --git a/drivers/video/fbdev/chipsfb.c b/drivers/video/fbdev/chipsfb.c
index 59abdc6a97f6..314b7eceb81c 100644
--- a/drivers/video/fbdev/chipsfb.c
+++ b/drivers/video/fbdev/chipsfb.c
@@ -350,7 +350,7 @@ static void init_chips(struct fb_info *p, unsigned long addr)
static int chipsfb_pci_init(struct pci_dev *dp, const struct pci_device_id *ent)
{
struct fb_info *p;
- unsigned long addr, size;
+ unsigned long addr;
unsigned short cmd;
int rc = -ENODEV;
@@ -362,7 +362,6 @@ static int chipsfb_pci_init(struct pci_dev *dp, const struct pci_device_id *ent)
if ((dp->resource[0].flags & IORESOURCE_MEM) == 0)
goto err_disable;
addr = pci_resource_start(dp, 0);
- size = pci_resource_len(dp, 0);
if (addr == 0)
goto err_disable;
diff --git a/fs/dcache.c b/fs/dcache.c
index 2484614a3dbb..9126557ec9cb 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -1173,15 +1173,11 @@ static enum lru_status dentry_lru_isolate_shrink(struct list_head *item,
*/
void shrink_dcache_sb(struct super_block *sb)
{
- long freed;
-
do {
LIST_HEAD(dispose);
- freed = list_lru_walk(&sb->s_dentry_lru,
+ list_lru_walk(&sb->s_dentry_lru,
dentry_lru_isolate_shrink, &dispose, 1024);
-
- this_cpu_sub(nr_dentry_unused, freed);
shrink_dentry_list(&dispose);
} while (list_lru_count(&sb->s_dentry_lru) > 0);
}
diff --git a/fs/devpts/inode.c b/fs/devpts/inode.c
index 108df2e3602c..81be3ba17cbf 100644
--- a/fs/devpts/inode.c
+++ b/fs/devpts/inode.c
@@ -396,6 +396,7 @@ devpts_fill_super(struct super_block *s, void *data, int silent)
s->s_blocksize_bits = 10;
s->s_magic = DEVPTS_SUPER_MAGIC;
s->s_op = &devpts_sops;
+ s->s_d_op = &simple_dentry_operations;
s->s_time_gran = 1;
error = -ENOMEM;
diff --git a/fs/pipe.c b/fs/pipe.c
index 4b8dfb022ac7..51bcae9fbbf4 100644
--- a/fs/pipe.c
+++ b/fs/pipe.c
@@ -238,6 +238,14 @@ static const struct pipe_buf_operations anon_pipe_buf_ops = {
.get = generic_pipe_buf_get,
};
+static const struct pipe_buf_operations anon_pipe_buf_nomerge_ops = {
+ .can_merge = 0,
+ .confirm = generic_pipe_buf_confirm,
+ .release = anon_pipe_buf_release,
+ .steal = anon_pipe_buf_steal,
+ .get = generic_pipe_buf_get,
+};
+
static const struct pipe_buf_operations packet_pipe_buf_ops = {
.can_merge = 0,
.confirm = generic_pipe_buf_confirm,
@@ -246,6 +254,12 @@ static const struct pipe_buf_operations packet_pipe_buf_ops = {
.get = generic_pipe_buf_get,
};
+void pipe_buf_mark_unmergeable(struct pipe_buffer *buf)
+{
+ if (buf->ops == &anon_pipe_buf_ops)
+ buf->ops = &anon_pipe_buf_nomerge_ops;
+}
+
static ssize_t
pipe_read(struct kiocb *iocb, struct iov_iter *to)
{
diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c
index 138041f342aa..619f7a0a09db 100644
--- a/fs/proc/proc_sysctl.c
+++ b/fs/proc/proc_sysctl.c
@@ -463,7 +463,7 @@ static struct inode *proc_sys_make_inode(struct super_block *sb,
inode = new_inode(sb);
if (!inode)
- goto out;
+ return ERR_PTR(-ENOMEM);
inode->i_ino = get_next_ino();
@@ -473,8 +473,7 @@ static struct inode *proc_sys_make_inode(struct super_block *sb,
if (unlikely(head->unregistering)) {
spin_unlock(&sysctl_lock);
iput(inode);
- inode = NULL;
- goto out;
+ return ERR_PTR(-ENOENT);
}
ei->sysctl = head;
ei->sysctl_entry = table;
@@ -499,7 +498,6 @@ static struct inode *proc_sys_make_inode(struct super_block *sb,
if (root->set_ownership)
root->set_ownership(head, table, &inode->i_uid, &inode->i_gid);
-out:
return inode;
}
@@ -548,10 +546,11 @@ static struct dentry *proc_sys_lookup(struct inode *dir, struct dentry *dentry,
goto out;
}
- err = ERR_PTR(-ENOMEM);
inode = proc_sys_make_inode(dir->i_sb, h ? h : head, p);
- if (!inode)
+ if (IS_ERR(inode)) {
+ err = ERR_CAST(inode);
goto out;
+ }
err = NULL;
d_set_d_op(dentry, &proc_sys_dentry_operations);
@@ -684,7 +683,7 @@ static bool proc_sys_fill_cache(struct file *file,
return false;
if (d_in_lookup(child)) {
inode = proc_sys_make_inode(dir->d_sb, head, table);
- if (!inode) {
+ if (IS_ERR(inode)) {
d_lookup_done(child);
dput(child);
return false;
diff --git a/fs/splice.c b/fs/splice.c
index 76ef9cd3fe2b..f4f3cf2ea73c 100644
--- a/fs/splice.c
+++ b/fs/splice.c
@@ -1601,6 +1601,8 @@ retry:
*/
obuf->flags &= ~PIPE_BUF_FLAG_GIFT;
+ pipe_buf_mark_unmergeable(obuf);
+
obuf->len = len;
opipe->nrbufs++;
ibuf->offset += obuf->len;
@@ -1675,6 +1677,8 @@ static int link_pipe(struct pipe_inode_info *ipipe,
*/
obuf->flags &= ~PIPE_BUF_FLAG_GIFT;
+ pipe_buf_mark_unmergeable(obuf);
+
if (obuf->len > len)
obuf->len = len;
diff --git a/include/linux/pipe_fs_i.h b/include/linux/pipe_fs_i.h
index e7497c9dde7f..4f7129389855 100644
--- a/include/linux/pipe_fs_i.h
+++ b/include/linux/pipe_fs_i.h
@@ -182,6 +182,7 @@ void generic_pipe_buf_get(struct pipe_inode_info *, struct pipe_buffer *);
int generic_pipe_buf_confirm(struct pipe_inode_info *, struct pipe_buffer *);
int generic_pipe_buf_steal(struct pipe_inode_info *, struct pipe_buffer *);
void generic_pipe_buf_release(struct pipe_inode_info *, struct pipe_buffer *);
+void pipe_buf_mark_unmergeable(struct pipe_buffer *buf);
extern const struct pipe_buf_operations nosteal_pipe_buf_ops;
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 1e74d2bdd43a..13b3e72eb339 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -5403,7 +5403,6 @@ out:
return ret;
fail:
- kfree(iter->trace);
kfree(iter);
__trace_array_put(tr);
mutex_unlock(&trace_types_lock);
diff --git a/kernel/trace/trace_events_hist.c b/kernel/trace/trace_events_hist.c
index 1c21d0e2a145..bc77f22062ac 100644
--- a/kernel/trace/trace_events_hist.c
+++ b/kernel/trace/trace_events_hist.c
@@ -872,9 +872,10 @@ static inline void add_to_key(char *compound_key, void *key,
/* ensure NULL-termination */
if (size > key_field->size - 1)
size = key_field->size - 1;
- }
- memcpy(compound_key + key_field->offset, key, size);
+ strncpy(compound_key + key_field->offset, (char *)key, size);
+ } else
+ memcpy(compound_key + key_field->offset, key, size);
}
static void event_hist_trigger(struct event_trigger_data *data, void *rec)