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

---
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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