This patch fixes an invalid pointer access in case the receive queue
holds no pointer to the next skb when the queue is empty.
Signed-off-by: NHannes Hering <hering2@de.ibm.com>
Signed-off-by: NJan-Bernd Themann <themann@de.ibm.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>