[PATCH 3/5] mm, slub: fix potential memoryleak in kmem_cache_open()

[Miaohe Lin <linmiaohe@xxxxxxxxxx>]

In error path, the random_seq of slub cache might be leaked. Fix this by
using __kmem_cache_release() to release all the relevant resources.

Fixes: 210e7a43fa90 ("mm: SLUB freelist randomization")
Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>
---
 mm/slub.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/slub.c b/mm/slub.c
index a56a6423d4e8..bf1793fb4ce5 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -4210,8 +4210,8 @@ static int kmem_cache_open(struct kmem_cache *s, slab_flags_t flags)
 	if (alloc_kmem_cache_cpus(s))
 		return 0;
 
-	free_kmem_cache_nodes(s);
 error:
+	__kmem_cache_release(s);
 	return -EINVAL;
 }
 
-- 
2.23.0