From: Wu Bo <wubo40@huawei.com> To: Joseph Qi <joseph.qi@linux.alibaba.com>, <mark@fasheh.com>, <jlbec@evilplan.org> Cc: <linux-kernel@vger.kernel.org>, <ocfs2-devel@oss.oracle.com>, <liuzhiqiang26@huawei.com>, <linfeilong@huawei.com> Subject: Re: [PATCH] fs:ocfs2:remove unneeded variable 'o2dlm_flags' Date: Wed, 22 Apr 2020 15:59:49 +0800 [thread overview] Message-ID: <9bf0798a-7dd5-4328-68f5-8bc2cd2ffa99@huawei.com> (raw) In-Reply-To: <7214599d-3bd2-96b7-59f9-d731bb27f744@linux.alibaba.com> On 2020/4/22 15:52, Joseph Qi wrote: > > > On 2020/4/22 15:12, Wu Bo wrote: >> Fix the following coccicheck warning: >> fs/ocfs2/stack_o2cb.c:69:5-16: Unneeded variable: "o2dlm_flags". >> Return "0" on line 84 >> > Umm... This is not right, NAK. > Something tricky is in map_flag() so that coccicheck doesn't recognize. > > Thanks, > Joseph You are right. Did not notice that map_flag is a macro, Please ignore this patch. Thanks, Wu Bo > >> Signed-off-by: Wu Bo <wubo40@huawei.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 >> >> > > . >
WARNING: multiple messages have this Message-ID (diff)
From: Wu Bo <wubo40@huawei.com> To: Joseph Qi <joseph.qi@linux.alibaba.com>, mark@fasheh.com, jlbec@evilplan.org Cc: linux-kernel@vger.kernel.org, ocfs2-devel@oss.oracle.com, liuzhiqiang26@huawei.com, linfeilong@huawei.com Subject: [Ocfs2-devel] [PATCH] fs:ocfs2:remove unneeded variable 'o2dlm_flags' Date: Wed, 22 Apr 2020 15:59:49 +0800 [thread overview] Message-ID: <9bf0798a-7dd5-4328-68f5-8bc2cd2ffa99@huawei.com> (raw) In-Reply-To: <7214599d-3bd2-96b7-59f9-d731bb27f744@linux.alibaba.com> On 2020/4/22 15:52, Joseph Qi wrote: > > > On 2020/4/22 15:12, Wu Bo wrote: >> Fix the following coccicheck warning: >> fs/ocfs2/stack_o2cb.c:69:5-16: Unneeded variable: "o2dlm_flags". >> Return "0" on line 84 >> > Umm... This is not right, NAK. > Something tricky is in map_flag() so that coccicheck doesn't recognize. > > Thanks, > Joseph You are right. Did not notice that map_flag is a macro, Please ignore this patch. Thanks, Wu Bo > >> Signed-off-by: Wu Bo <wubo40@huawei.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 >> >> > > . >
next prev parent reply other threads:[~2020-04-22 8:00 UTC|newest] Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-04-22 7:12 [PATCH] fs:ocfs2:remove unneeded variable 'o2dlm_flags' Wu Bo 2020-04-22 7:12 ` [Ocfs2-devel] " Wu Bo 2020-04-22 7:52 ` Joseph Qi 2020-04-22 7:52 ` [Ocfs2-devel] " Joseph Qi 2020-04-22 7:59 ` Wu Bo [this message] 2020-04-22 7:59 ` Wu Bo 2020-04-24 18:22 ` kbuild test robot 2020-04-24 18:22 ` kbuild test robot 2020-04-24 18:22 ` [Ocfs2-devel] " kbuild test robot
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