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>
diff --git a/mm/slab_common.c b/mm/slab_common.c
index fba78e4..d88e97c 100644
--- a/mm/slab_common.c
+++ b/mm/slab_common.c
@@ -384,7 +384,7 @@
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 @@
err = kmem_cache_sanity_check(name, size);
if (err) {
- s = NULL; /* suppress uninit var warning */
goto out_unlock;
}