From owner-svn-src-all@FreeBSD.ORG Sun Nov 2 21:58:32 2014 Return-Path: Delivered-To: svn-src-all@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 7EE6DA07; Sun, 2 Nov 2014 21:58:32 +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)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 518DBAC3; Sun, 2 Nov 2014 21:58:32 +0000 (UTC) Received: from svn.freebsd.org ([127.0.1.70]) by svn.freebsd.org (8.14.9/8.14.9) with ESMTP id sA2LwWcw059452; Sun, 2 Nov 2014 21:58:32 GMT (envelope-from hrs@FreeBSD.org) Received: (from hrs@localhost) by svn.freebsd.org (8.14.9/8.14.9/Submit) id sA2LwWGc059451; Sun, 2 Nov 2014 21:58:32 GMT (envelope-from hrs@FreeBSD.org) Message-Id: <201411022158.sA2LwWGc059451@svn.freebsd.org> X-Authentication-Warning: svn.freebsd.org: hrs set sender to hrs@FreeBSD.org using -f From: Hiroki Sato Date: Sun, 2 Nov 2014 21:58:32 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r273992 - 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: 2.1.18-1 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 02 Nov 2014 21:58:32 -0000 Author: hrs Date: Sun Nov 2 21:58:31 2014 New Revision: 273992 URL: https://svnweb.freebsd.org/changeset/base/273992 Log: Fix a bug which prevented ND6_IFF_IFDISABLED flag from clearing when the newly-added IPv6 address was /128. PR: 188032 Modified: head/sys/netinet6/in6.c Modified: head/sys/netinet6/in6.c ============================================================================== --- head/sys/netinet6/in6.c Sun Nov 2 21:40:32 2014 (r273991) +++ head/sys/netinet6/in6.c Sun Nov 2 21:58:31 2014 (r273992) @@ -638,7 +638,8 @@ in6_control(struct socket *so, u_long cm pr0.ndpr_plen = in6_mask2len(&ifra->ifra_prefixmask.sin6_addr, NULL); if (pr0.ndpr_plen == 128) { - break; /* we don't need to install a host route. */ + /* we don't need to install a host route. */ + goto aifaddr_out; } pr0.ndpr_prefix = ifra->ifra_addr; /* apply the mask for safety. */ @@ -705,32 +706,29 @@ in6_control(struct socket *so, u_long cm * that is, this address might make other addresses detached. */ pfxlist_onlink_check(); - if (error == 0 && ia) { - if (ND_IFINFO(ifp)->flags & ND6_IFF_IFDISABLED) { - /* - * Try to clear the flag when a new - * IPv6 address is added onto an - * IFDISABLED interface and it - * succeeds. - */ - struct in6_ndireq nd; - - memset(&nd, 0, sizeof(nd)); - nd.ndi.flags = ND_IFINFO(ifp)->flags; - nd.ndi.flags &= ~ND6_IFF_IFDISABLED; - if (nd6_ioctl(SIOCSIFINFO_FLAGS, - (caddr_t)&nd, ifp) < 0) - log(LOG_NOTICE, "SIOCAIFADDR_IN6: " - "SIOCSIFINFO_FLAGS for -ifdisabled " - "failed."); - /* - * Ignore failure of clearing the flag - * intentionally. The failure means - * address duplication was detected. - */ - } - EVENTHANDLER_INVOKE(ifaddr_event, ifp); +aifaddr_out: + if (error != 0 || ia == NULL) + break; + /* + * Try to clear the flag when a new IPv6 address is added + * onto an IFDISABLED interface and it succeeds. + */ + if (ND_IFINFO(ifp)->flags & ND6_IFF_IFDISABLED) { + struct in6_ndireq nd; + + memset(&nd, 0, sizeof(nd)); + nd.ndi.flags = ND_IFINFO(ifp)->flags; + nd.ndi.flags &= ~ND6_IFF_IFDISABLED; + if (nd6_ioctl(SIOCSIFINFO_FLAGS, (caddr_t)&nd, ifp) < 0) + log(LOG_NOTICE, "SIOCAIFADDR_IN6: " + "SIOCSIFINFO_FLAGS for -ifdisabled " + "failed."); + /* + * Ignore failure of clearing the flag intentionally. + * The failure means address duplication was detected. + */ } + EVENTHANDLER_INVOKE(ifaddr_event, ifp); break; }