From c647cc3fd5ee3c3aba34a00326e684684d491de0 Mon Sep 17 00:00:00 2001 From: David L Stevens Date: Wed, 12 Nov 2014 10:58:47 -0500 Subject: [PATCH] sunvnet: fix NULL pointer dereference This patch fixes a NULL pointer dereference when __tx_port_find() doesn't find a matching port. Signed-off-by: David L Stevens Acked-by: Sowmini Varadhan Signed-off-by: David S. Miller --- drivers/net/ethernet/sun/sunvnet.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/ethernet/sun/sunvnet.c b/drivers/net/ethernet/sun/sunvnet.c index 55d66c9a6627..a556eba8eeed 100644 --- a/drivers/net/ethernet/sun/sunvnet.c +++ b/drivers/net/ethernet/sun/sunvnet.c @@ -958,6 +958,8 @@ vnet_select_queue(struct net_device *dev, struct sk_buff *skb, struct vnet *vp = netdev_priv(dev); struct vnet_port *port = __tx_port_find(vp, skb); + if (port == NULL) + return 0; return port->q_index; } -- 2.20.1