Merge remote-tracking branch 'stable/linux-3.0.y' into android-3.0

[firefly-linux-kernel-4.4.55.git] / kernel / cgroup.c

diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index 5083a09a9b6d3370a3d47558718ec2ab63e81611..739553e69c3991d90c1e720254b90dc6450f40c3 100644 (file)
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -1803,9 +1803,8 @@ static int cgroup_task_migrate(struct cgroup *cgrp, struct cgroup *oldcgrp,
         * trading it for newcg is protected by cgroup_mutex, we're safe to drop
         * it here; it will be freed under RCU.
         */
-       put_css_set(oldcg);
-
        set_bit(CGRP_RELEASABLE, &oldcgrp->flags);
+       put_css_set(oldcg);
        return 0;
 }