UBI: drop null test before destroy functions

Remove unneeded NULL test.

The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@ expression x; @@
-if (x != NULL)
  \(kmem_cache_destroy\|mempool_destroy\|dma_pool_destroy\)(x);
// </smpl>

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Richard Weinberger <richard@nod.at>

diff --git a/drivers/mtd/ubi/attach.c b/drivers/mtd/ubi/attach.c
index 68eea5befaf12c96db4063a32ab81c20a8abfd96..c1aaf0336cf2e389386b4a6f7c87a8609652b474 100644 (file)
--- a/drivers/mtd/ubi/attach.c
+++ b/drivers/mtd/ubi/attach.c
@@ -1209,9 +1209,7 @@ static void destroy_ai(struct ubi_attach_info *ai)
                }
        }
 
-       if (ai->aeb_slab_cache)
-               kmem_cache_destroy(ai->aeb_slab_cache);
-
+       kmem_cache_destroy(ai->aeb_slab_cache);
        kfree(ai);
 }