1 files changed, 3 insertions, 0 deletions

diff --git a/net/sched/act_connmark.c b/net/sched/act_connmark.c
index bb41699c6c49..7ecb14f3db54 100644
--- a/net/sched/act_connmark.c
+++ b/net/sched/act_connmark.c
@@ -109,6 +109,9 @@ static int tcf_connmark_init(struct net *net, struct nlattr *nla,
         if (ret < 0)
                 return ret;
 
+        if (!tb[TCA_CONNMARK_PARMS])
+                return -EINVAL;
+
         parm = nla_data(tb[TCA_CONNMARK_PARMS]);
 
         if (!tcf_hash_check(parm->index, a, bind)) {