ecryptfs: 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: Tyler Hicks <tyhicks@canonical.com>

1 files changed, 1 insertions, 2 deletions

diff --git a/fs/ecryptfs/main.c b/fs/ecryptfs/main.c
index 1698132d0e57..612004495141 100644
--- a/fs/ecryptfs/main.c
+++ b/fs/ecryptfs/main.c
@@ -738,8 +738,7 @@ static void ecryptfs_free_kmem_caches(void)
                 struct ecryptfs_cache_info *info;
 
                 info = &ecryptfs_cache_infos[i];
-                if (*(info->cache))
-                        kmem_cache_destroy(*(info->cache));
+                kmem_cache_destroy(*(info->cache));
         }
 }