Cleanup and preparation to simplify the next changes.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
---
 net/core/netclassid_cgroup.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/core/netclassid_cgroup.c b/net/core/netclassid_cgroup.c
index dff66d8fb325..db9a5354f9de 100644
--- a/net/core/netclassid_cgroup.c
+++ b/net/core/netclassid_cgroup.c
@@ -93,7 +93,7 @@ static void update_classid_task(struct task_struct *p, u32 classid)
 	/* Only update the leader task, when many threads in this task,
 	 * so it can avoid the useless traversal.
 	 */
-	if (p != p->group_leader)
+	if (!thread_group_leader(p))
 		return;
 
 	do {
-- 
2.52.0