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-rw-r--r--net/sched/sch_mqprio.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/sched/sch_mqprio.c b/net/sched/sch_mqprio.c
index f88256c..28de430 100644
--- a/net/sched/sch_mqprio.c
+++ b/net/sched/sch_mqprio.c
@@ -107,7 +107,7 @@ static int mqprio_init(struct Qdisc *sch, struct nlattr *opt)
if (!netif_is_multiqueue(dev))
return -EOPNOTSUPP;
- if (nla_len(opt) < sizeof(*qopt))
+ if (!opt || nla_len(opt) < sizeof(*qopt))
return -EINVAL;
qopt = nla_data(opt);
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