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SubjectRe: [PATCH 02/39] nilfs2: drop null test before destroy functions
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On Sun, 13 Sep 2015 14:14:55 +0200, Julia Lawall <Julia.Lawall@lip6.fr> wrote:
> 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>

Looks OK. I'll queue this in my tree.

Thanks,
Ryusuke Konishi

>
> ---
> 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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