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devcg: remove parent_cgroup.

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In devcgroup_css_alloc(), there is no longer need for parent_cgroup.
bd2953ebbb("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 <[email protected]>
Acked-by: Aristeu Rozanski <[email protected]>
Signed-off-by: Tejun Heo <[email protected]>
This commit is contained in:
Rami Rosen authored and Tejun Heo committed 2013-04-18 11:34:35 -07:00
1 parent f00baae7ad
commit e57d5cf2f8
1 file changed
-2
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security/device_cgroup.c
-2
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@@ -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;
}