From owner-svn-src-all@FreeBSD.ORG  Wed Dec 25 20:08:45 2013
Return-Path: <owner-svn-src-all@FreeBSD.ORG>
Delivered-To: svn-src-all@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org
 [IPv6:2001:1900:2254:206a::19:1])
 (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits))
 (No client certificate requested)
 by hub.freebsd.org (Postfix) with ESMTPS id 87F0D7B5;
 Wed, 25 Dec 2013 20:08:45 +0000 (UTC)
Received: from svn.freebsd.org (svn.freebsd.org
 [IPv6:2001:1900:2254:2068::e6a:0])
 (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))
 (No client certificate requested)
 by mx1.freebsd.org (Postfix) with ESMTPS id 745341FA3;
 Wed, 25 Dec 2013 20:08:45 +0000 (UTC)
Received: from svn.freebsd.org ([127.0.1.70])
 by svn.freebsd.org (8.14.7/8.14.7) with ESMTP id rBPK8jwA085794;
 Wed, 25 Dec 2013 20:08:45 GMT (envelope-from bz@svn.freebsd.org)
Received: (from bz@localhost)
 by svn.freebsd.org (8.14.7/8.14.7/Submit) id rBPK8jIp085793;
 Wed, 25 Dec 2013 20:08:45 GMT (envelope-from bz@svn.freebsd.org)
Message-Id: <201312252008.rBPK8jIp085793@svn.freebsd.org>
From: "Bjoern A. Zeeb" <bz@FreeBSD.org>
Date: Wed, 25 Dec 2013 20:08:45 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
 svn-src-head@freebsd.org
Subject: svn commit: r259884 - head/sys/netinet6
X-SVN-Group: head
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
X-BeenThere: svn-src-all@freebsd.org
X-Mailman-Version: 2.1.17
Precedence: list
List-Id: "SVN commit messages for the entire src tree \(except for &quot;
 user&quot; and &quot; projects&quot; \)" <svn-src-all.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/options/svn-src-all>,
 <mailto:svn-src-all-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/svn-src-all/>
List-Post: <mailto:svn-src-all@freebsd.org>
List-Help: <mailto:svn-src-all-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-all>,
 <mailto:svn-src-all-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Wed, 25 Dec 2013 20:08:45 -0000

Author: bz
Date: Wed Dec 25 20:08:44 2013
New Revision: 259884
URL: http://svnweb.freebsd.org/changeset/base/259884

Log:
  Correct warnings comparing unsigned variables < 0 constantly reported
  while building kernels.  All instances removed are indeed unsigned so
  the expressions could not be true.
  
  MFC after:	1 week

Modified:
  head/sys/netinet6/in6_mcast.c

Modified: head/sys/netinet6/in6_mcast.c
==============================================================================
--- head/sys/netinet6/in6_mcast.c	Wed Dec 25 19:38:16 2013	(r259883)
+++ head/sys/netinet6/in6_mcast.c	Wed Dec 25 20:08:44 2013	(r259884)
@@ -1851,8 +1851,7 @@ in6p_join_group(struct inpcb *inp, struc
 		if (mreq.ipv6mr_interface == 0) {
 			ifp = in6p_lookup_mcast_ifp(inp, &gsa->sin6);
 		} else {
-			if (mreq.ipv6mr_interface < 0 ||
-			    V_if_index < mreq.ipv6mr_interface)
+			if (V_if_index < mreq.ipv6mr_interface)
 				return (EADDRNOTAVAIL);
 			ifp = ifnet_byindex(mreq.ipv6mr_interface);
 		}
@@ -2198,7 +2197,7 @@ in6p_leave_group(struct inpcb *inp, stru
 	 * XXX SCOPE6 lock potentially taken here.
 	 */
 	if (ifindex != 0) {
-		if (ifindex < 0 || V_if_index < ifindex)
+		if (V_if_index < ifindex)
 			return (EADDRNOTAVAIL);
 		ifp = ifnet_byindex(ifindex);
 		if (ifp == NULL)
@@ -2356,7 +2355,7 @@ in6p_set_multicast_if(struct inpcb *inp,
 	error = sooptcopyin(sopt, &ifindex, sizeof(u_int), sizeof(u_int));
 	if (error)
 		return (error);
-	if (ifindex < 0 || V_if_index < ifindex)
+	if (V_if_index < ifindex)
 		return (EINVAL);
 
 	ifp = ifnet_byindex(ifindex);