[NET]: Assign skb->dev in netdev_alloc_skb

Signed-off-by: NChristoph Hellwig <hch@lst.de>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

net/core/skbuff.c

@@ -268,8 +268,10 @@ struct sk_buff *__netdev_alloc_skb(struct net_device *dev,
 	struct sk_buff *skb;
 
 	skb = alloc_skb(length + NET_SKB_PAD, gfp_mask);
-	if (likely(skb))
+	if (likely(skb)) {
 		skb_reserve(skb, NET_SKB_PAD);
+		skb->dev = dev;
+	}
 	return skb;
 }