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-rw-r--r--kernel/cgroup.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index 548d8d4e86d0..bab5c17e7781 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -2175,9 +2175,12 @@ static int cgroup_attach_proc(struct cgroup *cgrp, struct task_struct *leader)
2175 oldcg = tc->task->cgroups; 2175 oldcg = tc->task->cgroups;
2176 2176
2177 /* if we don't already have it in the list get a new one */ 2177 /* if we don't already have it in the list get a new one */
2178 if (!css_set_check_fetched(cgrp, tc->task, oldcg, &newcg_list)) 2178 if (!css_set_check_fetched(cgrp, tc->task, oldcg,
2179 if (retval = css_set_prefetch(cgrp, oldcg, &newcg_list)) 2179 &newcg_list)) {
2180 retval = css_set_prefetch(cgrp, oldcg, &newcg_list);
2181 if (retval)
2180 goto out_list_teardown; 2182 goto out_list_teardown;
2183 }
2181 } 2184 }
2182 2185
2183 /* 2186 /*