From: Gerd Hoffmann <kraxel@redhat.com>
Date: Tue, 8 Dec 2009 12:11:47 +0000 (+0100)
Subject: default devices: network
X-Git-Tag: v0.12.0-rc2~34
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=782e9e6554d2404689a156282622046538bccd17;p=thirdparty%2Fqemu.git

default devices: network

Add a default_net variable which specified whenever a default network
should be created.  It is cleared in case any -net option is specified
and it is also added to the new -nodefaults switch.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
(cherry picked from commit cb4522ccf67ba84d246291d9f75bd7f3df137d1a)
---

diff --git a/net.c b/net.c
index 13bdbb2caa0..6ef93e615c8 100644
--- a/net.c
+++ b/net.c
@@ -39,6 +39,8 @@
 static QTAILQ_HEAD(, VLANState) vlans;
 static QTAILQ_HEAD(, VLANClientState) non_vlan_clients;
 
+int default_net = 1;
+
 /***********************************************************/
 /* network device redirectors */
 
@@ -1317,7 +1319,7 @@ static int net_init_netdev(QemuOpts *opts, void *dummy)
 
 int net_init_clients(void)
 {
-    if (QTAILQ_EMPTY(&qemu_net_opts.head)) {
+    if (default_net) {
         /* if no clients, we use a default config */
         qemu_opts_set(&qemu_net_opts, NULL, "type", "nic");
 #ifdef CONFIG_SLIRP
@@ -1353,5 +1355,6 @@ int net_client_parse(QemuOptsList *opts_list, const char *optarg)
         return -1;
     }
 
+    default_net = 0;
     return 0;
 }
diff --git a/net.h b/net.h
index d583d590a76..4971fcbbb52 100644
--- a/net.h
+++ b/net.h
@@ -139,6 +139,7 @@ struct NICInfo {
 
 extern int nb_nics;
 extern NICInfo nd_table[MAX_NICS];
+extern int default_net;
 
 /* BT HCI info */
 
diff --git a/vl.c b/vl.c
index 69b577fbba8..48258362667 100644
--- a/vl.c
+++ b/vl.c
@@ -5476,6 +5476,7 @@ int main(int argc, char **argv, char **envp)
                 default_parallel = 0;
                 default_monitor = 0;
                 default_vga = 0;
+                default_net = 0;
                 break;
 #ifndef _WIN32
             case QEMU_OPTION_chroot: