Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932168Ab2BXQBn (ORCPT ); Fri, 24 Feb 2012 11:01:43 -0500 Received: from wp188.webpack.hosteurope.de ([80.237.132.195]:53220 "EHLO wp188.webpack.hosteurope.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757689Ab2BXQBi (ORCPT ); Fri, 24 Feb 2012 11:01:38 -0500 From: Danny Kukawka To: "David S. Miller" Cc: Danny Kukawka , Stephen Hemminger , Jiri Pirko , Joe Perches , netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 09/12] wan/lapbether: check given MAC address, if invalid return -EADDRNOTAVAIL Date: Fri, 24 Feb 2012 17:01:19 +0100 Message-Id: <1330099282-4588-10-git-send-email-danny.kukawka@bisect.de> X-Mailer: git-send-email 1.7.8.3 In-Reply-To: <1330099282-4588-1-git-send-email-danny.kukawka@bisect.de> References: <1330099282-4588-1-git-send-email-danny.kukawka@bisect.de> X-bounce-key: webpack.hosteurope.de;danny.kukawka@bisect.de;1330099298;9b1f5155; Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1253 Lines: 40 Check if given address is valid in .ndo_set_mac_address/ lapbeth_set_mac_address(), if invalid return -EADDRNOTAVAIL as eth_mac_addr() already does if is_valid_ether_addr() fails. Signed-off-by: Danny Kukawka --- drivers/net/wan/lapbether.c | 5 +++++ 1 files changed, 5 insertions(+), 0 deletions(-) diff --git a/drivers/net/wan/lapbether.c b/drivers/net/wan/lapbether.c index 7beeb9b..b6d4cbc 100644 --- a/drivers/net/wan/lapbether.c +++ b/drivers/net/wan/lapbether.c @@ -45,6 +45,7 @@ #include #include #include +#include #include @@ -254,6 +255,10 @@ static void lapbeth_disconnected(struct net_device *dev, int reason) static int lapbeth_set_mac_address(struct net_device *dev, void *addr) { struct sockaddr *sa = addr; + + if (!is_valid_ether_addr(sa->sa_data)) + return -EADDRNOTAVAIL; + memcpy(dev->dev_addr, sa->sa_data, dev->addr_len); return 0; } -- 1.7.8.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/