From mboxrd@z Thu Jan 1 00:00:00 1970 From: Patrick McHardy Subject: [IPROUTE]: Refuse "ip link add/replace" without device type parameter Date: Tue, 07 Oct 2008 17:16:27 +0200 Message-ID: <48EB7D4B.4030501@trash.net> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="------------020908000006000606080501" To: Linux Netdev List , Stephen Hemminger Return-path: Received: from stinky.trash.net ([213.144.137.162]:48928 "EHLO stinky.trash.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752129AbYJGPQe (ORCPT ); Tue, 7 Oct 2008 11:16:34 -0400 Sender: netdev-owner@vger.kernel.org List-ID: This is a multi-part message in MIME format. --------------020908000006000606080501 Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 7bit --------------020908000006000606080501 Content-Type: text/x-patch; name="02.diff" Content-Transfer-Encoding: 7bit Content-Disposition: inline; filename="02.diff" commit c3ae059edf3316cff1075c2401bdeefa5e262251 Author: Patrick McHardy Date: Tue Oct 7 16:55:21 2008 +0200 [IPROUTE]: Refuse "ip link add/replace" without device type parameter Fix confusing error message noticed by Martin Josefsson: # ip link add RTNETLINK answers: Operation not supported The reason is missing device type information, refuse this and print a message. Signed-off-by: Patrick McHardy diff --git a/ip/iplink.c b/ip/iplink.c index 81122ae..6e9ac71 100644 --- a/ip/iplink.c +++ b/ip/iplink.c @@ -336,6 +336,10 @@ static int iplink_modify(int cmd, unsigned int flags, int argc, char **argv) return -1; } linkinfo->rta_len = (void *)NLMSG_TAIL(&req.n) - (void *)linkinfo; + } else if (flags & NLM_F_CREATE) { + fprintf(stderr, "Not enough informatin: \"type\" argument " + "is required\n"); + return -1; } if (!(flags & NLM_F_CREATE)) { --------------020908000006000606080501--