[src/trunk]: src/sys/rump/net/lib/libvirtif Explicitly ignore return value of...

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

details:   https://anonhg.NetBSD.org/src/rev/5194f230486f
branches:  trunk
changeset: 787953:5194f230486f
user:      pooka <pooka%NetBSD.org@localhost>
date:      Tue Jul 16 19:44:31 2013 +0000

description:
Explicitly ignore return value of writev() for sending a packet.

Otherwise you get the following with some compilers:
warning: ignoring return value of 'writev', declared with attribute warn_unused_result [-Wunused-result]

diffstat:

 sys/rump/net/lib/libvirtif/rumpcomp_user.c |  4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diffs (18 lines):

diff -r 2b98ae60db15 -r 5194f230486f sys/rump/net/lib/libvirtif/rumpcomp_user.c
--- a/sys/rump/net/lib/libvirtif/rumpcomp_user.c        Tue Jul 16 19:40:01 2013 +0000
+++ b/sys/rump/net/lib/libvirtif/rumpcomp_user.c        Tue Jul 16 19:44:31 2013 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: rumpcomp_user.c,v 1.8 2013/07/04 11:46:51 pooka Exp $  */
+/*     $NetBSD: rumpcomp_user.c,v 1.9 2013/07/16 19:44:31 pooka Exp $  */
 
 /*
  * Copyright (c) 2013 Antti Kantee.  All Rights Reserved.
@@ -134,7 +134,7 @@
        void *cookie = rumpuser_component_unschedule();
 
        /* no need to check for return value; packets may be dropped */
-       writev(viu->viu_fd, iov, iovlen);
+       (void)writev(viu->viu_fd, iov, iovlen);
 
        rumpuser_component_schedule(cookie);
 }