linux-kernel - Re: [PATCH] fs/ocfs2: remove redundant ret variable

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Date:   Wed, 12 Jan 2022 19:19:16 +0800
From:   Joseph Qi <joseph.qi@...ux.alibaba.com>
To:     cgel.zte@...il.com, mark@...heh.com
Cc:     jlbec@...lplan.org, ocfs2-devel@....oracle.com,
        linux-kernel@...r.kernel.org, Minghao Chi <chi.minghao@....com.cn>,
        Zeal Robot <zealci@....com.cn>
Subject: Re: [PATCH] fs/ocfs2: remove redundant ret variable

This is obviously not right as you remove the extent tree initialization.

Thanks,
Joseph

On 1/12/22 4:14 PM, cgel.zte@...il.com wrote:
> From: Minghao Chi <chi.minghao@....com.cn>
> 
> Return value from ocfs2_add_clusters_in_btree() directly instead
> of taking this in another redundant variable.
> 
> Reported-by: Zeal Robot <zealci@....com.cn>
> Signed-off-by: Minghao Chi <chi.minghao@....com.cn>
> Signed-off-by: CGEL ZTE <cgel.zte@...il.com>
> ---
>  fs/ocfs2/file.c | 6 +-----
>  1 file changed, 1 insertion(+), 5 deletions(-)
> 
> diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
> index fc5f780fa235..9a46dcef448c 100644
> --- a/fs/ocfs2/file.c
> +++ b/fs/ocfs2/file.c
> @@ -540,15 +540,11 @@ int ocfs2_add_inode_data(struct ocfs2_super *osb,
>  			 struct ocfs2_alloc_context *meta_ac,
>  			 enum ocfs2_alloc_restarted *reason_ret)
>  {
> -	int ret;
>  	struct ocfs2_extent_tree et;
>  
> -	ocfs2_init_dinode_extent_tree(&et, INODE_CACHE(inode), fe_bh);
> -	ret = ocfs2_add_clusters_in_btree(handle, &et, logical_offset,
> +	return ocfs2_add_clusters_in_btree(handle, &et, logical_offset,
>  					  clusters_to_add, mark_unwritten,
>  					  data_ac, meta_ac, reason_ret);
> -
> -	return ret;
>  }
>  
>  static int ocfs2_extend_allocation(struct inode *inode, u32 logical_start,