[src/trunk]: src/sys/net Fix compile error (may be used uninitialized)

[ozaki-r <ozaki-r%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/d7de42ba9884
branches:  trunk
changeset: 358226:d7de42ba9884
user:      ozaki-r <ozaki-r%NetBSD.org@localhost>
date:      Mon Dec 18 05:35:36 2017 +0000

description:
Fix compile error (may be used uninitialized)

Hmm, __noinline had hidden this error.

diffstat:

 sys/net/rtsock.c |  6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diffs (27 lines):

diff -r 9b08f5975900 -r d7de42ba9884 sys/net/rtsock.c
--- a/sys/net/rtsock.c  Mon Dec 18 05:35:01 2017 +0000
+++ b/sys/net/rtsock.c  Mon Dec 18 05:35:36 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: rtsock.c,v 1.235 2017/12/18 05:35:01 ozaki-r Exp $     */
+/*     $NetBSD: rtsock.c,v 1.236 2017/12/18 05:35:36 ozaki-r Exp $     */
 
 /*
  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
@@ -61,7 +61,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: rtsock.c,v 1.235 2017/12/18 05:35:01 ozaki-r Exp $");
+__KERNEL_RCSID(0, "$NetBSD: rtsock.c,v 1.236 2017/12/18 05:35:36 ozaki-r Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_inet.h"
@@ -666,7 +666,7 @@
     struct rt_xmsghdr *rtm)
 {
        int error = 0;
-       struct ifnet *ifp = NULL, *new_ifp;
+       struct ifnet *ifp = NULL, *new_ifp = NULL;
        struct ifaddr *ifa = NULL, *new_ifa;
        struct psref psref_ifa, psref_new_ifa, psref_ifp, psref_new_ifp;
        bool newgw, ifp_changed = false;