[src/trunk]: src/sys/net Attach PF_INET6 pktq sysctls only when inet6 is pres...

[pooka <pooka%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/574a78e2a0d6
branches:  trunk
changeset: 807760:574a78e2a0d6
user:      pooka <pooka%NetBSD.org@localhost>
date:      Tue Apr 21 10:39:41 2015 +0000

description:
Attach PF_INET6 pktq sysctls only when inet6 is present.

More modular initialization would be nicer, but at least this patch
prevents "sysctl -a" from crashing when INET6 is defined by inet6 has
not been attached.

diffstat:

 sys/net/if.c |  7 ++++---
 1 files changed, 4 insertions(+), 3 deletions(-)

diffs (28 lines):

diff -r 228175025ecb -r 574a78e2a0d6 sys/net/if.c
--- a/sys/net/if.c      Tue Apr 21 10:12:04 2015 +0000
+++ b/sys/net/if.c      Tue Apr 21 10:39:41 2015 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: if.c,v 1.310 2015/04/20 10:19:54 roy Exp $     */
+/*     $NetBSD: if.c,v 1.311 2015/04/21 10:39:41 pooka Exp $   */
 
 /*-
  * Copyright (c) 1999, 2000, 2001, 2008 The NetBSD Foundation, Inc.
@@ -90,7 +90,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if.c,v 1.310 2015/04/20 10:19:54 roy Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if.c,v 1.311 2015/04/21 10:39:41 pooka Exp $");
 
 #if defined(_KERNEL_OPT)
 #include "opt_inet.h"
@@ -239,7 +239,8 @@
        sysctl_net_pktq_setup(NULL, PF_INET);
 #endif
 #ifdef INET6
-       sysctl_net_pktq_setup(NULL, PF_INET6);
+       if (in6_present)
+               sysctl_net_pktq_setup(NULL, PF_INET6);
 #endif
 
        if_listener = kauth_listen_scope(KAUTH_SCOPE_NETWORK,