linux-kernel - Re: [PATCH] ocfs2: dlmfs: remove set but not used variable 'status'

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Message-ID: <5BCFC35C.2080802@huawei.com>
Date:   Wed, 24 Oct 2018 08:57:00 +0800
From:   piaojun <piaojun@...wei.com>
To:     zhong jiang <zhongjiang@...wei.com>, <akpm@...ux-foundation.org>,
        <mark@...heh.com>, <jlbec@...lplan.org>
CC:     <jiangqi903@...il.com>, <dhowells@...hat.com>,
        <viro@...iv.linux.org.uk>, <ocfs2-devel@....oracle.com>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] ocfs2: dlmfs: remove set but not used variable 'status'

LGTM

On 2018/10/23 21:09, zhong jiang wrote:
> status is not used after setting its value. It is safe to remove
> the unused variable.
> 
> Signed-off-by: zhong jiang <zhongjiang@...wei.com>
Reviewed-by: Jun Piao <piaojun@...wei.com>
> ---
>  fs/ocfs2/dlmfs/dlmfs.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/fs/ocfs2/dlmfs/dlmfs.c b/fs/ocfs2/dlmfs/dlmfs.c
> index 642e471..b03dd46 100644
> --- a/fs/ocfs2/dlmfs/dlmfs.c
> +++ b/fs/ocfs2/dlmfs/dlmfs.c
> @@ -179,7 +179,7 @@ static int dlmfs_file_open(struct inode *inode,
>  static int dlmfs_file_release(struct inode *inode,
>  			      struct file *file)
>  {
> -	int level, status;
> +	int level;
>  	struct dlmfs_inode_private *ip = DLMFS_I(inode);
>  	struct dlmfs_filp_private *fp = file->private_data;
>  
> @@ -188,7 +188,6 @@ static int dlmfs_file_release(struct inode *inode,
>  
>  	mlog(0, "close called on inode %lu\n", inode->i_ino);
>  
> -	status = 0;
>  	if (fp) {
>  		level = fp->fp_lock_level;
>  		if (level != DLM_LOCK_IV)
>