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Subject[PATCH] mm: 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>
---
mm/slab_common.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/mm/slab_common.c b/mm/slab_common.c
index 5ce4fae..cf0b7bb 100644
--- a/mm/slab_common.c
+++ b/mm/slab_common.c
@@ -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;
}

--
2.6.1


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