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-rw-r--r--security/device_cgroup.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/security/device_cgroup.c b/security/device_cgroup.c
index 7dbac4061b1c..ce14a31b1337 100644
--- a/security/device_cgroup.c
+++ b/security/device_cgroup.c
@@ -182,7 +182,7 @@ static inline bool is_devcg_online(const struct dev_cgroup *devcg)
static int devcgroup_online(struct cgroup_subsys_state *css)
{
struct dev_cgroup *dev_cgroup = css_to_devcgroup(css);
- struct dev_cgroup *parent_dev_cgroup = css_to_devcgroup(css_parent(css));
+ struct dev_cgroup *parent_dev_cgroup = css_to_devcgroup(css->parent);
int ret = 0;
mutex_lock(&devcgroup_mutex);
@@ -455,7 +455,7 @@ static bool verify_new_ex(struct dev_cgroup *dev_cgroup,
static int parent_has_perm(struct dev_cgroup *childcg,
struct dev_exception_item *ex)
{
- struct dev_cgroup *parent = css_to_devcgroup(css_parent(&childcg->css));
+ struct dev_cgroup *parent = css_to_devcgroup(childcg->css.parent);
if (!parent)
return 1;
@@ -476,7 +476,7 @@ static int parent_has_perm(struct dev_cgroup *childcg,
static bool parent_allows_removal(struct dev_cgroup *childcg,
struct dev_exception_item *ex)
{
- struct dev_cgroup *parent = css_to_devcgroup(css_parent(&childcg->css));
+ struct dev_cgroup *parent = css_to_devcgroup(childcg->css.parent);
if (!parent)
return true;
@@ -614,7 +614,7 @@ static int devcgroup_update_access(struct dev_cgroup *devcgroup,
char temp[12]; /* 11 + 1 characters needed for a u32 */
int count, rc = 0;
struct dev_exception_item ex;
- struct dev_cgroup *parent = css_to_devcgroup(css_parent(&devcgroup->css));
+ struct dev_cgroup *parent = css_to_devcgroup(devcgroup->css.parent);
if (!capable(CAP_SYS_ADMIN))
return -EPERM;