[PATCH 02/39] nilfs2: drop null test before destroy functions

[Julia Lawall <Julia.Lawall-L2FTfq7BK8M@public.gmane.org>]

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-L2FTfq7BK8M@public.gmane.org>

---
 fs/nilfs2/super.c |   12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/fs/nilfs2/super.c b/fs/nilfs2/super.c
index f47585b..c69455a 100644
--- a/fs/nilfs2/super.c
+++ b/fs/nilfs2/super.c
@@ -1405,14 +1405,10 @@ static void nilfs_destroy_cachep(void)
 	 */
 	rcu_barrier();
 
-	if (nilfs_inode_cachep)
-		kmem_cache_destroy(nilfs_inode_cachep);
-	if (nilfs_transaction_cachep)
-		kmem_cache_destroy(nilfs_transaction_cachep);
-	if (nilfs_segbuf_cachep)
-		kmem_cache_destroy(nilfs_segbuf_cachep);
-	if (nilfs_btree_path_cache)
-		kmem_cache_destroy(nilfs_btree_path_cache);
+	kmem_cache_destroy(nilfs_inode_cachep);
+	kmem_cache_destroy(nilfs_transaction_cachep);
+	kmem_cache_destroy(nilfs_segbuf_cachep);
+	kmem_cache_destroy(nilfs_btree_path_cache);
 }
 
 static int __init nilfs_init_cachep(void)

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