[src/trunk]: src/sys/net Don't request returning rtentry if not use it

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

details:   https://anonhg.NetBSD.org/src/rev/6d876c9dcd1d
branches:  trunk
changeset: 344489:6d876c9dcd1d
user:      ozaki-r <ozaki-r%NetBSD.org@localhost>
date:      Fri Apr 01 09:52:39 2016 +0000

description:
Don't request returning rtentry if not use it

diffstat:

 sys/net/route.c |  9 +++------
 1 files changed, 3 insertions(+), 6 deletions(-)

diffs (40 lines):

diff -r 175ed17f578d -r 6d876c9dcd1d sys/net/route.c
--- a/sys/net/route.c   Fri Apr 01 09:16:02 2016 +0000
+++ b/sys/net/route.c   Fri Apr 01 09:52:39 2016 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: route.c,v 1.156 2016/04/01 09:00:27 ozaki-r Exp $      */
+/*     $NetBSD: route.c,v 1.157 2016/04/01 09:52:39 ozaki-r Exp $      */
 
 /*-
  * Copyright (c) 1998, 2008 The NetBSD Foundation, Inc.
@@ -96,7 +96,7 @@
 #endif
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: route.c,v 1.156 2016/04/01 09:00:27 ozaki-r Exp $");
+__KERNEL_RCSID(0, "$NetBSD: route.c,v 1.157 2016/04/01 09:52:39 ozaki-r Exp $");
 
 #include <sys/param.h>
 #ifdef RTFLUSH_DEBUG
@@ -568,7 +568,6 @@
 {
        int error;
        struct rt_addrinfo info;
-       struct rtentry *retrt;
 
        /*
         * Request the new route so that the entry is not actually
@@ -580,12 +579,10 @@
        info.rti_info[RTAX_NETMASK] = rt_mask(rt);
        info.rti_info[RTAX_GATEWAY] = rt->rt_gateway;
        info.rti_flags = rt->rt_flags;
-       error = rtrequest1(RTM_DELETE, &info, &retrt);
+       error = rtrequest1(RTM_DELETE, &info, NULL);
 
        rt_missmsg(RTM_DELETE, &info, info.rti_flags, error);
 
-       if (error == 0)
-               rtfree(retrt);
        return error;
 }