datapath: Drop packets when interdev is not up

[cascardo/ovs.git] / datapath / vport-internal_dev.c

diff --git a/datapath/vport-internal_dev.c b/datapath/vport-internal_dev.c
index 637d712..7432f1f 100644 (file)
--- a/datapath/vport-internal_dev.c
+++ b/datapath/vport-internal_dev.c
@@ -236,6 +236,11 @@ static int internal_dev_recv(struct vport *vport, struct sk_buff *skb)
        struct net_device *netdev = netdev_vport_priv(vport)->dev;
        int len;
 
+       if (unlikely(!(netdev->flags & IFF_UP))) {
+               kfree_skb(skb);
+               return 0;
+       }
+
 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,37)
        if (vlan_tx_tag_present(skb)) {
                if (unlikely(!__vlan_put_tag(skb,