diff options
| -rw-r--r-- | net/sched/cls_cgroup.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/net/sched/cls_cgroup.c b/net/sched/cls_cgroup.c index 1cef3b416094..02b05066b635 100644 --- a/net/sched/cls_cgroup.c +++ b/net/sched/cls_cgroup.c @@ -158,6 +158,8 @@ static void cls_cgroup_walk(struct tcf_proto *tp, struct tcf_walker *arg, if (arg->count < arg->skip) goto skip; + if (!head) + return; if (arg->fn(tp, head, arg) < 0) { arg->stop = 1; return; |