nilfs2: 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: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/fs/nilfs2/super.c b/fs/nilfs2/super.c
index f47585bfeb0169eee1198d01493e1d54705dabba..c69455a543bc65e2960b9ff2cca3a8ce8f4f1859 100644 (file)
--- 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)