[src/trunk]: src/sys Define IFNET_EMPTY() and replace !IFNET_FIRST() with it

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

details:   https://anonhg.NetBSD.org/src/rev/12bab0bfc793
branches:  trunk
changeset: 797849:12bab0bfc793
user:      ozaki-r <ozaki-r%NetBSD.org@localhost>
date:      Thu Jul 31 02:21:51 2014 +0000

description:
Define IFNET_EMPTY() and replace !IFNET_FIRST() with it

No functional change.

diffstat:

 sys/net/if.h           |  3 ++-
 sys/netinet/raw_ip.c   |  8 ++++----
 sys/netinet6/raw_ip6.c |  8 ++++----
 3 files changed, 10 insertions(+), 9 deletions(-)

diffs (89 lines):

diff -r 61bdd3e65449 -r 12bab0bfc793 sys/net/if.h
--- a/sys/net/if.h      Thu Jul 31 01:04:00 2014 +0000
+++ b/sys/net/if.h      Thu Jul 31 02:21:51 2014 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: if.h,v 1.172 2014/07/16 03:17:26 ozaki-r Exp $ */
+/*     $NetBSD: if.h,v 1.173 2014/07/31 02:21:51 ozaki-r Exp $ */
 
 /*-
  * Copyright (c) 1999, 2000, 2001 The NetBSD Foundation, Inc.
@@ -981,6 +981,7 @@
 #ifdef _KERNEL
 
 #define        IFNET_FIRST()                   TAILQ_FIRST(&ifnet_list)
+#define        IFNET_EMPTY()                   TAILQ_EMPTY(&ifnet_list)
 #define        IFNET_NEXT(__ifp)               TAILQ_NEXT((__ifp), if_list)
 #define        IFNET_FOREACH(__ifp)            TAILQ_FOREACH(__ifp, &ifnet_list, if_list)
 #define        IFADDR_FIRST(__ifp)             TAILQ_FIRST(&(__ifp)->if_addrlist)
diff -r 61bdd3e65449 -r 12bab0bfc793 sys/netinet/raw_ip.c
--- a/sys/netinet/raw_ip.c      Thu Jul 31 01:04:00 2014 +0000
+++ b/sys/netinet/raw_ip.c      Thu Jul 31 02:21:51 2014 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: raw_ip.c,v 1.137 2014/07/30 10:04:26 rtr Exp $ */
+/*     $NetBSD: raw_ip.c,v 1.138 2014/07/31 02:21:51 ozaki-r Exp $     */
 
 /*
  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
@@ -65,7 +65,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: raw_ip.c,v 1.137 2014/07/30 10:04:26 rtr Exp $");
+__KERNEL_RCSID(0, "$NetBSD: raw_ip.c,v 1.138 2014/07/31 02:21:51 ozaki-r Exp $");
 
 #include "opt_inet.h"
 #include "opt_compat_netbsd.h"
@@ -487,7 +487,7 @@
 
        if (nam->m_len != sizeof(*addr))
                return (EINVAL);
-       if (!IFNET_FIRST())
+       if (IFNET_EMPTY())
                return (EADDRNOTAVAIL);
        if (addr->sin_family != AF_INET)
                return (EAFNOSUPPORT);
@@ -575,7 +575,7 @@
                error = EINVAL;
                goto release;
        }
-       if (!IFNET_FIRST()) {
+       if (IFNET_EMPTY()) {
                error = EADDRNOTAVAIL;
                goto release;
        }
diff -r 61bdd3e65449 -r 12bab0bfc793 sys/netinet6/raw_ip6.c
--- a/sys/netinet6/raw_ip6.c    Thu Jul 31 01:04:00 2014 +0000
+++ b/sys/netinet6/raw_ip6.c    Thu Jul 31 02:21:51 2014 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: raw_ip6.c,v 1.130 2014/07/30 10:04:26 rtr Exp $        */
+/*     $NetBSD: raw_ip6.c,v 1.131 2014/07/31 02:21:51 ozaki-r Exp $    */
 /*     $KAME: raw_ip6.c,v 1.82 2001/07/23 18:57:56 jinmei Exp $        */
 
 /*
@@ -62,7 +62,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: raw_ip6.c,v 1.130 2014/07/30 10:04:26 rtr Exp $");
+__KERNEL_RCSID(0, "$NetBSD: raw_ip6.c,v 1.131 2014/07/31 02:21:51 ozaki-r Exp $");
 
 #include "opt_ipsec.h"
 
@@ -667,7 +667,7 @@
        addr = mtod(nam, struct sockaddr_in6 *);
        if (nam->m_len != sizeof(*addr))
                return EINVAL;
-       if (!IFNET_FIRST() || addr->sin6_family != AF_INET6)
+       if (IFNET_EMPTY() || addr->sin6_family != AF_INET6)
                return EADDRNOTAVAIL;
 
        if ((error = sa6_embedscope(addr, ip6_use_defzone)) != 0)
@@ -716,7 +716,7 @@
 
        if (nam->m_len != sizeof(*addr))
                return EINVAL;
-       if (!IFNET_FIRST())
+       if (IFNET_EMPTY())
                return EADDRNOTAVAIL;
        if (addr->sin6_family != AF_INET6)
                return EAFNOSUPPORT;