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-rw-r--r--kernel/cgroup/rstat.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/cgroup/rstat.c b/kernel/cgroup/rstat.c
index 981e2f77ad4e..a198e40c799b 100644
--- a/kernel/cgroup/rstat.c
+++ b/kernel/cgroup/rstat.c
@@ -479,6 +479,9 @@ void css_rstat_exit(struct cgroup_subsys_state *css)
if (!css_uses_rstat(css))
return;
+ if (!css->rstat_cpu)
+ return;
+
css_rstat_flush(css);
/* sanity check */