[PATCH] cpuset: remove set but not used variable 'cs'

[Yi Wang]

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.y...@zte.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