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SubjectRe: [PATCH] cpuset: remove set but not used variable 'cs'
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On 11/07/2018 12:18 AM, Yi Wang wrote:
> 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@zte.com.cn>


Reviewed-by: Tom Hromatka <tom.hromatka@oracle.com>


> ---
> 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--;
>

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