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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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