Re: [PATCH 1/1] nilfs2: Deletion of an unnecessary check before the function call "iput"

Ryusuke Konishi
2014-11-19T00:09:54Z

On Tue, 18 Nov 2014 14:48:09 +0100, SF Markus Elfring wrote:
> From: Markus Elfring <elfring@users.sourceforge.net>
> Date: Tue, 18 Nov 2014 14:41:27 +0100
>
> The iput() function tests whether its argument is NULL and then
> returns immediately. Thus the test around the call is not needed.
>
> This issue was detected by using the Coccinelle software.
>
> Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>

Applied to nilfs2 git tree. Thanks.

Ryusuke Konishi

> ---
> fs/nilfs2/the_nilfs.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/fs/nilfs2/the_nilfs.c b/fs/nilfs2/the_nilfs.c
> index 9da25fe..69bd801 100644
> --- a/fs/nilfs2/the_nilfs.c
> +++ b/fs/nilfs2/the_nilfs.c
> @@ -808,8 +808,7 @@ void nilfs_put_root(struct nilfs_root *root)
> spin_lock(&nilfs->ns_cptree_lock);
> rb_erase(&root->rb_node, &nilfs->ns_cptree);
> spin_unlock(&nilfs->ns_cptree_lock);
> - if (root->ifile)
> - iput(root->ifile);
> + iput(root->ifile);
>
> kfree(root);
> }
> --
> 2.1.3
>
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