[Ocfs2-devel] [PATCH 1/4 V2] ocfs2: use retval instead of status for checking error

[DaeSeok Youn]

Hi, Andrew.

2015-03-20 10:17 GMT+09:00 Joseph Qi <joseph.qi at huawei.com>:
> Hi Andrew,
>
> On 2015/3/20 6:23, Andrew Morton wrote:
>> On Sat, 28 Feb 2015 08:48:40 +0900 Daeseok Youn <daeseok.youn at 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.

As joseph comment, it doesn't need to cleanup mlog_errno() call in this patch.
And he reviewed this patch.

Check, please.

Thanks.
Daeseok Youn
>>
> IMO, if we only depends on the bail error log, we still don't know where
> the error occurs.
> So if we want to do the cleanup, the bail error log should be cleaned.
>
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>>
>
>