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mm/slab_common.c: initialize kmem_cache pointer to NULL 

The assignment to NULL within the error condition was written in a 2014
patch to suppress a compiler warning.  However it would be cleaner to just
initialize the kmem_cache to NULL and just return it in case of an error
condition.

Signed-off-by: Alexandru Moise <00moses.alexander00@gmail.com>
Acked-by: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@kernel.org>
Acked-by: David Rientjes <rientjes@google.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Alexandru Moise 2015-11-05 18:45:43 -08:00 committed by Linus Torvalds
parent 76f8ec712a
commit 40911a798b
1 changed files with 1 additions and 2 deletions
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3
mm/slab_common.c
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@ -384,7 +384,7 @@ struct kmem_cache *
kmem_cache_create(const char *name, size_t size, size_t align,
unsigned long flags, void (*ctor)(void *))
{
struct kmem_cache *s;
struct kmem_cache *s = NULL;
const char *cache_name;
int err;
@ -396,7 +396,6 @@ kmem_cache_create(const char *name, size_t size, size_t align,
err = kmem_cache_sanity_check(name, size);
if (err) {
s = NULL; /* suppress uninit var warning */
goto out_unlock;
}