From mboxrd@z Thu Jan 1 00:00:00 1970 From: David L Stevens Subject: [PATCH net-next] sunvnet: fix NULL pointer dereference Date: Wed, 12 Nov 2014 10:58:47 -0500 Message-ID: <546383B7.2090106@oracle.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, Sowmini Varadhan To: David Miller Return-path: Received: from aserp1040.oracle.com ([141.146.126.69]:33895 "EHLO aserp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752858AbaKLP6x (ORCPT ); Wed, 12 Nov 2014 10:58:53 -0500 Sender: netdev-owner@vger.kernel.org List-ID: This patch fixes a NULL pointer dereference when __tx_port_find() doesn't find a matching port. Signed-off-by: David L Stevens --- drivers/net/ethernet/sun/sunvnet.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/drivers/net/ethernet/sun/sunvnet.c b/drivers/net/ethernet/sun/sunvnet.c index 55d66c9..a556eba 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; } -- 1.7.1