From: Wengang Wang <wen.gang.wang@oracle.com>
To: Joseph Qi <joseph.qi@linux.alibaba.com>,
Yang Li <yang.lee@linux.alibaba.com>
Cc: linux-kernel@vger.kernel.org, ocfs2-devel@oss.oracle.com
Subject: Re: [Ocfs2-devel] [PATCH] ocfs2: Remove unneeded return variable
Date: Thu, 4 Feb 2021 08:28:17 -0800 [thread overview]
Message-ID: <a1bfdae4-9b54-9797-22fa-0361292dbcaa@oracle.com> (raw)
In-Reply-To: <cea953c5-79e7-8bd3-13ca-8ee4f25ff03f@linux.alibaba.com>
Actually I think the macro of map_flag() is ugly. Yang may want to fix
that first.
Thanks,
Wengang
On 2/3/21 9:12 PM, Joseph Qi wrote:
> NAK.
> This was discussed before, please refer:
> https://oss.oracle.com/pipermail/ocfs2-devel/2020-April/014969.html
>
> Thanks,
> Joseph
>
> On 2/4/21 11:12 AM, Yang Li wrote:
>> This patch removes unneeded return variables, using only
>> '0' instead.
>> It fixes the following warning detected by coccinelle:
>> ./fs/ocfs2/stack_o2cb.c:69:5-16: Unneeded variable: "o2dlm_flags".
>> Return "0" on line 84
>>
>> Reported-by: Abaci Robot <abaci@linux.alibaba.com>
>> Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
>> ---
>> fs/ocfs2/stack_o2cb.c | 4 +---
>> 1 file changed, 1 insertion(+), 3 deletions(-)
>>
>> diff --git a/fs/ocfs2/stack_o2cb.c b/fs/ocfs2/stack_o2cb.c
>> index dbf8b57..2da9633 100644
>> --- a/fs/ocfs2/stack_o2cb.c
>> +++ b/fs/ocfs2/stack_o2cb.c
>> @@ -66,8 +66,6 @@ static inline int mode_to_o2dlm(int mode)
>> }
>> static int flags_to_o2dlm(u32 flags)
>> {
>> - int o2dlm_flags = 0;
>> -
>> map_flag(DLM_LKF_NOQUEUE, LKM_NOQUEUE);
>> map_flag(DLM_LKF_CANCEL, LKM_CANCEL);
>> map_flag(DLM_LKF_CONVERT, LKM_CONVERT);
>> @@ -81,7 +79,7 @@ static int flags_to_o2dlm(u32 flags)
>> /* map_flag() should have cleared every flag passed in */
>> BUG_ON(flags != 0);
>>
>> - return o2dlm_flags;
>> + return 0;
>> }
>> #undef map_flag
>>
>>
> _______________________________________________
> Ocfs2-devel mailing list
> Ocfs2-devel@oss.oracle.com
> https://oss.oracle.com/mailman/listinfo/ocfs2-devel
_______________________________________________
Ocfs2-devel mailing list
Ocfs2-devel@oss.oracle.com
https://oss.oracle.com/mailman/listinfo/ocfs2-devel
prev parent reply other threads:[~2021-02-04 16:28 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-04 3:12 [Ocfs2-devel] [PATCH] ocfs2: Remove unneeded return variable Yang Li
2021-02-04 4:22 ` kernel test robot
2021-02-04 5:12 ` Joseph Qi
2021-02-04 16:28 ` Wengang Wang [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=a1bfdae4-9b54-9797-22fa-0361292dbcaa@oracle.com \
--to=wen.gang.wang@oracle.com \
--cc=joseph.qi@linux.alibaba.com \
--cc=linux-kernel@vger.kernel.org \
--cc=ocfs2-devel@oss.oracle.com \
--cc=yang.lee@linux.alibaba.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).