Re: [PATCH 1/4 V2] ocfs2: use retval instead of status for checking error

[Andrew Morton <akpm@linux-foundation.org>]

On Sat, 28 Feb 2015 08:48:40 +0900 Daeseok Youn <daeseok.youn@gmail.com> wrote:

> The use of 'status' in __ocfs2_add_entry() can return wrong
> status when some functions are failed.
> 
> If ocfs2_journal_access_db() in __ocfs2_add_entry() is failed,
> that status is saved to 'status' but return variable is 'retval'
> which is saved 'success' status. In case of this,  __ocfs2_add_entry()
> is failed but can be returned as 'success'.
> 
> So replace 'status' with 'retval'.
> 
> -						mlog_errno(status);
> +					if (retval) {
> +						mlog_errno(retval);
>  						goto bail;

and

bail:
	if (retval)
		mlog_errno(retval);

	return retval;
}

so we'll clearly log the same error twice.