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From: Hajimu UMEMOTO <ume@FreeBSD.org>
Date: Tue, 31 Aug 2010 15:52:12 +0000 (UTC)
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Subject: svn commit: r212056 - stable/8/sys/netinet6
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Author: ume
Date: Tue Aug 31 15:52:12 2010
New Revision: 212056
URL: http://svn.freebsd.org/changeset/base/212056

Log:
  MFC r211435, r211530: Make `ping6 -I' work with
  net.inet6.ip6.use_defaultzone=1.

Modified:
  stable/8/sys/netinet6/raw_ip6.c
Directory Properties:
  stable/8/sys/   (props changed)
  stable/8/sys/amd64/include/xen/   (props changed)
  stable/8/sys/cddl/contrib/opensolaris/   (props changed)
  stable/8/sys/contrib/dev/acpica/   (props changed)
  stable/8/sys/contrib/pf/   (props changed)
  stable/8/sys/dev/xen/xenpci/   (props changed)

Modified: stable/8/sys/netinet6/raw_ip6.c
==============================================================================
--- stable/8/sys/netinet6/raw_ip6.c	Tue Aug 31 15:49:41 2010	(r212055)
+++ stable/8/sys/netinet6/raw_ip6.c	Tue Aug 31 15:52:12 2010	(r212056)
@@ -401,6 +401,7 @@ rip6_output(m, va_alist)
 	struct ifnet *oifp = NULL;
 	int type = 0, code = 0;		/* for ICMPv6 output statistics only */
 	int scope_ambiguous = 0;
+	int use_defzone = 0;
 	struct in6_addr in6a;
 	va_list ap;
 
@@ -430,9 +431,12 @@ rip6_output(m, va_alist)
 	 * XXX: we may still need to determine the zone later.
 	 */
 	if (!(so->so_state & SS_ISCONNECTED)) {
-		if (dstsock->sin6_scope_id == 0 && !V_ip6_use_defzone)
+		if (!optp || !optp->ip6po_pktinfo ||
+		    !optp->ip6po_pktinfo->ipi6_ifindex)
+			use_defzone = V_ip6_use_defzone;
+		if (dstsock->sin6_scope_id == 0 && !use_defzone)
 			scope_ambiguous = 1;
-		if ((error = sa6_embedscope(dstsock, V_ip6_use_defzone)) != 0)
+		if ((error = sa6_embedscope(dstsock, use_defzone)) != 0)
 			goto bad;
 	}