net: wimax/i2400m: fix NULL-deref at probe

[pandora-kernel.git] / drivers / net / loopback.c

diff --git a/drivers/net/loopback.c b/drivers/net/loopback.c
index 4ce9e5f..d0893e4 100644 (file)
--- a/drivers/net/loopback.c
+++ b/drivers/net/loopback.c
@@ -78,6 +78,11 @@ static netdev_tx_t loopback_xmit(struct sk_buff *skb,
 
        skb_orphan(skb);
 
+       /* Before queueing this packet to netif_rx(),
+        * make sure dst is refcounted.
+        */
+       skb_dst_force(skb);
+
        skb->protocol = eth_type_trans(skb, dev);
 
        /* it's OK to use per_cpu_ptr() because BHs are off */