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-rw-r--r--net/sched/cls_cgroup.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/sched/cls_cgroup.c b/net/sched/cls_cgroup.c
index cc29b44..e5becb9 100644
--- a/net/sched/cls_cgroup.c
+++ b/net/sched/cls_cgroup.c
@@ -167,6 +167,9 @@ static int cls_cgroup_change(struct tcf_proto *tp, unsigned long base,
struct tcf_exts e;
int err;
+ if (!tca[TCA_OPTIONS])
+ return -EINVAL;
+
if (head == NULL) {
if (!handle)
return -EINVAL;
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