Module Name:    src
Committed By:   ozaki-r
Date:           Mon May 29 02:55:49 UTC 2017

Modified Files:
        src/sys/net: if_vlan.c

Log Message:
Call in6_ifdetach only if in6_present (for rump)

Otherwise ifconfig -vlanif causes a panic on a rump_server without
the netinet6 library.

Reported by s-yamaguchi@IIJ


To generate a diff of this commit:
cvs rdiff -u -r1.96 -r1.97 src/sys/net/if_vlan.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/sys/net/if_vlan.c
diff -u src/sys/net/if_vlan.c:1.96 src/sys/net/if_vlan.c:1.97
--- src/sys/net/if_vlan.c:1.96	Wed Mar 15 09:51:08 2017
+++ src/sys/net/if_vlan.c	Mon May 29 02:55:49 2017
@@ -1,4 +1,4 @@
-/*	$NetBSD: if_vlan.c,v 1.96 2017/03/15 09:51:08 ozaki-r Exp $	*/
+/*	$NetBSD: if_vlan.c,v 1.97 2017/05/29 02:55:49 ozaki-r Exp $	*/
 
 /*-
  * Copyright (c) 2000, 2001 The NetBSD Foundation, Inc.
@@ -78,7 +78,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_vlan.c,v 1.96 2017/03/15 09:51:08 ozaki-r Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_vlan.c,v 1.97 2017/05/29 02:55:49 ozaki-r Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_inet.h"
@@ -111,6 +111,7 @@ __KERNEL_RCSID(0, "$NetBSD: if_vlan.c,v 
 #endif
 #ifdef INET6
 #include <netinet6/in6_ifattach.h>
+#include <netinet6/in6_var.h>
 #endif
 
 #include "ioconf.h"
@@ -425,7 +426,8 @@ vlan_unconfig(struct ifnet *ifp)
 
 #ifdef INET6
 	/* To delete v6 link local addresses */
-	in6_ifdetach(ifp);
+	if (in6_present)
+		in6_ifdetach(ifp);
 #endif
 	if ((ifp->if_flags & IFF_PROMISC) != 0)
 		ifpromisc(ifp, 0);

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