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-rw-r--r--security/device_cgroup.c11
1 files changed, 3 insertions, 8 deletions
diff --git a/security/device_cgroup.c b/security/device_cgroup.c
index e0ca464fa85..9bf230aa28b 100644
--- a/security/device_cgroup.c
+++ b/security/device_cgroup.c
@@ -56,11 +56,6 @@ static inline struct dev_cgroup *css_to_devcgroup(struct cgroup_subsys_state *s)
return s ? container_of(s, struct dev_cgroup, css) : NULL;
}
-static inline struct dev_cgroup *cgroup_to_devcgroup(struct cgroup *cgroup)
-{
- return css_to_devcgroup(cgroup_css(cgroup, devices_subsys_id));
-}
-
static inline struct dev_cgroup *task_devcgroup(struct task_struct *task)
{
return css_to_devcgroup(task_css(task, devices_subsys_id));
@@ -447,13 +442,13 @@ static void revalidate_active_exceptions(struct dev_cgroup *devcg)
static int propagate_exception(struct dev_cgroup *devcg_root,
struct dev_exception_item *ex)
{
- struct cgroup *root = devcg_root->css.cgroup, *pos;
+ struct cgroup_subsys_state *pos;
int rc = 0;
rcu_read_lock();
- cgroup_for_each_descendant_pre(pos, root) {
- struct dev_cgroup *devcg = cgroup_to_devcgroup(pos);
+ css_for_each_descendant_pre(pos, &devcg_root->css) {
+ struct dev_cgroup *devcg = css_to_devcgroup(pos);
/*
* Because devcgroup_mutex is held, no devcg will become