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Message-Id: <1541575111-36000-1-git-send-email-wang.yi59@zte.com.cn>
Date:   Wed, 7 Nov 2018 15:18:31 +0800
From:   Yi Wang <wang.yi59@....com.cn>
To:     lizefan@...wei.com
Cc:     cgroups@...r.kernel.org, linux-kernel@...r.kernel.org,
        zhong.weidong@....com.cn, Yi Wang <wang.yi59@....com.cn>
Subject: [PATCH] cpuset: remove set but not used variable 'cs'

This fixes the following warning:
kernel/cgroup/cpuset.c: In function ‘cpuset_cancel_attach’:
kernel/cgroup/cpuset.c:1501:17: warning: variable ‘cs’ set but not used [-Wunused-but-set-variable]
  struct cpuset *cs;
                 ^

Signed-off-by: Yi Wang <wang.yi59@....com.cn>
---
 kernel/cgroup/cpuset.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/kernel/cgroup/cpuset.c b/kernel/cgroup/cpuset.c
index 266f10c..784f948 100644
--- a/kernel/cgroup/cpuset.c
+++ b/kernel/cgroup/cpuset.c
@@ -1498,10 +1498,8 @@ static int cpuset_can_attach(struct cgroup_taskset *tset)
 static void cpuset_cancel_attach(struct cgroup_taskset *tset)
 {
 	struct cgroup_subsys_state *css;
-	struct cpuset *cs;
 
 	cgroup_taskset_first(tset, &css);
-	cs = css_cs(css);
 
 	mutex_lock(&cpuset_mutex);
 	css_cs(css)->attach_in_progress--;
-- 
1.8.3.1

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