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| author | Jiri Kosina <jkosina@suse.cz> | 2013-05-28 10:09:22 +0200 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2013-05-28 10:09:29 +0200 |
| commit | 864bfb25b57a6766ea689befa5cf09a4353281ce (patch) | |
| tree | 478941ca6e76b8d77b71f5827a3ce751c46a72b5 /net/rds/message.c | |
| parent | 071361d3473ebb8142907470ff12d59c59f6be72 (diff) | |
| parent | 49717cb40410fe4b563968680ff7c513967504c6 (diff) | |
| download | lwn-864bfb25b57a6766ea689befa5cf09a4353281ce.tar.gz lwn-864bfb25b57a6766ea689befa5cf09a4353281ce.zip | |
Merge branch 'master' into for-next
Merge with 49717cb ("kthread: Document ways of reducing OS jitter due
to per-CPU kthreads") to be able to apply fixup patch on top of it.
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'net/rds/message.c')
| -rw-r--r-- | net/rds/message.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/net/rds/message.c b/net/rds/message.c index f0a4658f3273..aba232f9f308 100644 --- a/net/rds/message.c +++ b/net/rds/message.c @@ -82,10 +82,7 @@ static void rds_message_purge(struct rds_message *rm) void rds_message_put(struct rds_message *rm) { rdsdebug("put rm %p ref %d\n", rm, atomic_read(&rm->m_refcount)); - if (atomic_read(&rm->m_refcount) == 0) { -printk(KERN_CRIT "danger refcount zero on %p\n", rm); -WARN_ON(1); - } + WARN(!atomic_read(&rm->m_refcount), "danger refcount zero on %p\n", rm); if (atomic_dec_and_test(&rm->m_refcount)) { BUG_ON(!list_empty(&rm->m_sock_item)); BUG_ON(!list_empty(&rm->m_conn_item)); @@ -197,6 +194,9 @@ struct rds_message *rds_message_alloc(unsigned int extra_len, gfp_t gfp) { struct rds_message *rm; + if (extra_len > KMALLOC_MAX_SIZE - sizeof(struct rds_message)) + return NULL; + rm = kzalloc(sizeof(struct rds_message) + extra_len, gfp); if (!rm) goto out; |