From: Joonsoo Kim <js1304@gmail.com>
Date: Thu, 10 May 2012 15:32:59 +0000 (+0900)
Subject: slub: fix a possible memory leak
X-Git-Tag: firefly_0821_release~3680^2~2688^2~3
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=601d39d00c2af206d10d1252132a85316d95499a;p=firefly-linux-kernel-4.4.55.git

slub: fix a possible memory leak

Memory allocated by kstrdup should be freed,
when kmalloc(kmem_size, GFP_KERNEL) is failed.

Acked-by: Christoph Lameter <cl@linux.com>
Acked-by: David Rientjes <rientjes@google.com>
Signed-off-by: Joonsoo Kim <js1304@gmail.com>
Signed-off-by: Pekka Enberg <penberg@kernel.org>
---

diff --git a/mm/slub.c b/mm/slub.c
index 18bf13eac54b..60119f78ccc0 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -3968,9 +3968,9 @@ struct kmem_cache *kmem_cache_create(const char *name, size_t size,
 			}
 			return s;
 		}
-		kfree(n);
 		kfree(s);
 	}
+	kfree(n);
 err:
 	up_write(&slub_lock);