devcg: remove parent_cgroup. (e57d5cf2) · Commits · 戴 / test

In devcgroup_css_alloc(), there is no longer need for parent_cgroup. ("devcg: propagate local changes down the hierarchy") made the variable parent_cgroup redundant. This patch removes parent_cgroup from devcgroup_css_alloc(). Signed-off-by:

Rami Rosen <ramirose@gmail.com> Acked-by:

Aristeu Rozanski <aris@redhat.com> Signed-off-by:

Tejun Heo <tj@kernel.org>

security/device_cgroup.c

+0 −2

Original line number	Diff line number	Diff line
		@@ -236,7 +236,6 @@ static void devcgroup_offline(struct cgroup *cgroup)
		static struct cgroup_subsys_state devcgroup_css_alloc(struct cgroup cgroup)
		{
		struct dev_cgroup *dev_cgroup;
		struct cgroup *parent_cgroup;

		dev_cgroup = kzalloc(sizeof(*dev_cgroup), GFP_KERNEL);
		if (!dev_cgroup)
		@@ -244,7 +243,6 @@ static struct cgroup_subsys_state devcgroup_css_alloc(struct cgroup cgroup)
		INIT_LIST_HEAD(&dev_cgroup->exceptions);
		INIT_LIST_HEAD(&dev_cgroup->propagate_pending);
		dev_cgroup->behavior = DEVCG_DEFAULT_NONE;
		parent_cgroup = cgroup->parent;

		return &dev_cgroup->css;
		}

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