devcg: remove parent_cgroup.

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 <ramirose@gmail.com>
Acked-by: Aristeu Rozanski <aris@redhat.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Rami Rosen 2013-04-16 23:24:55 +03:00 committed by Tejun Heo
parent f00baae7ad
commit e57d5cf2f8

View File

@ -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;
}