netfilter: fix nf_queue handling

[cascardo/linux.git] / net / core / rtnetlink.c

diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 3ac8946..b06d2f4 100644 (file)
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -1753,6 +1753,9 @@ static int do_setvfinfo(struct net_device *dev, struct nlattr **tb)
 
                        len++;
                }
+               if (len == 0)
+                       return -EINVAL;
+
                err = ops->ndo_set_vf_vlan(dev, ivvl[0]->vf, ivvl[0]->vlan,
                                           ivvl[0]->qos, ivvl[0]->vlan_proto);
                if (err < 0)