cgroup: simplify code in cgroup_apply_control

It could directly return 'cgroup_update_dfl_csses' to simplify code.

Signed-off-by: William Dean <williamsukatube@163.com>
Reviewed-by: Mukesh Ojha <quic_mojha@quicinc.com>
Signed-off-by: Tejun Heo <tj@kernel.org>

diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c
index c1f1ef6090da8b73cd61122a5eeb7ce27379bb53..c37b8265c0a38f56baa7b02faafef466554a504b 100644 (file)
--- 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);
 }
 
 /**