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SubjectRe: [PATCH 1/5] device_cgroup: fix locking in devcgroup_destroy()
Quoting Aristeu Rozanski (aris@redhat.com):
> Cc: Tejun Heo <tj@kernel.org>
> Cc: Serge Hallyn <serge.hallyn@canonical.com>

Acked-by: Serge Hallyn <serge.hallyn@canonical.com>

> Signed-off-by: Aristeu Rozanski <aris@redhat.com>
> ---
> security/device_cgroup.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> Index: github/security/device_cgroup.c
> ===================================================================
> --- github.orig/security/device_cgroup.c 2012-11-26 17:13:54.008153189 -0500
> +++ github/security/device_cgroup.c 2012-11-27 11:58:43.574251075 -0500
> @@ -215,7 +215,11 @@
> struct dev_cgroup *dev_cgroup;
>
> dev_cgroup = cgroup_to_devcgroup(cgroup);
> +
> + mutex_lock(&devcgroup_mutex);
> dev_exception_clean(dev_cgroup);
> + mutex_unlock(&devcgroup_mutex);
> +
> kfree(dev_cgroup);
> }
>
>
> --
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