cgroup: simplify code in cgroup_apply_control

William Dean · htejun · commit 61c41711b12b · 2022-09-23T16:52:00.000-10:00
It could directly return 'cgroup_update_dfl_csses' to simplify code.

Signed-off-by: William Dean &lt;williamsukatube@163.com&gt;
Reviewed-by: Mukesh Ojha &lt;quic_mojha@quicinc.com&gt;
Signed-off-by: Tejun Heo &lt;tj@kernel.org&gt;
diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c
@@ -3305,11 +3305,7 @@ static int cgroup_apply_control(struct cgroup *cgrp)
 	 * making the following cgroup_update_dfl_csses() properly update
 	 * css associations of all tasks in the subtree.
 	 */
-	ret = cgroup_update_dfl_csses(cgrp);
-	if (ret)
-		return ret;
-
-	return 0;
+	return cgroup_update_dfl_csses(cgrp);
 }
 
 /**
