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
1f7dd3e5a6e4 ("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>
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--;