Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753572Ab3JFDPy (ORCPT ); Sat, 5 Oct 2013 23:15:54 -0400 Received: from out1-smtp.messagingengine.com ([66.111.4.25]:38852 "EHLO out1-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753313Ab3JFDPf (ORCPT ); Sat, 5 Oct 2013 23:15:35 -0400 X-Sasl-enc: jITjxTzbbfQvqj8vCxuQWue1UcLmzYK0aOfAbgJ97FXx 1381029332 From: Alan Ott To: Alexander Smirnov , Dmitry Eremin-Solenikov , "David S. Miller" Cc: Alexander Aring , linux-zigbee-devel@lists.sourceforge.net, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Alan Ott Subject: [PATCH v2 1/2] 6lowpan: Only make 6lowpan links to IEEE802154 devices Date: Sat, 5 Oct 2013 23:15:18 -0400 Message-Id: <1381029319-6835-2-git-send-email-alan@signal11.us> X-Mailer: git-send-email 1.8.1.2 In-Reply-To: <1381029319-6835-1-git-send-email-alan@signal11.us> References: <1381029319-6835-1-git-send-email-alan@signal11.us> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1040 Lines: 30 Refuse to create 6lowpan links if the actual hardware interface is of any type other than ARPHRD_IEEE802154. Signed-off-by: Alan Ott Suggested-by: Alexander Aring --- net/ieee802154/6lowpan.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/net/ieee802154/6lowpan.c b/net/ieee802154/6lowpan.c index c85e71e..8f56b2b 100644 --- a/net/ieee802154/6lowpan.c +++ b/net/ieee802154/6lowpan.c @@ -1372,6 +1372,8 @@ static int lowpan_newlink(struct net *src_net, struct net_device *dev, real_dev = dev_get_by_index(src_net, nla_get_u32(tb[IFLA_LINK])); if (!real_dev) return -ENODEV; + if (real_dev->type != ARPHRD_IEEE802154) + return -EINVAL; lowpan_dev_info(dev)->real_dev = real_dev; lowpan_dev_info(dev)->fragment_tag = 0; -- 1.8.1.2 -- 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/