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cpuset: Remove set but not used variable 'cs'

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Fixes gcc '-Wunused-but-set-variable' warning:

kernel/cgroup/cpuset.c: In function 'cpuset_cancel_attach':
kernel/cgroup/cpuset.c:2167:17: warning:
 variable 'cs' set but not used [-Wunused-but-set-variable]

It never used since introduction in commit 1f7dd3e5a6 ("cgroup: fix handling
of multi-destination migration from subtree_control enabling")

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
YueHaibing 2018-12-01 03:12:56 +00:00 committed by Tejun Heo
parent c1bbd933e5
commit 1e7eacaf1d
1 changed files with 0 additions and 2 deletions
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2
kernel/cgroup/cpuset.c
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@ -2109,10 +2109,8 @@ 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--;