net: Use id_generate() in the network subsystem, too

We already got a global function called id_generate() to create unique
IDs within QEMU. Let's use it in the network subsytem, too, instead of
inventing our own ID scheme here.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20210215090225.1046239-1-thuth@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>

1 files changed, 3 insertions, 3 deletions

diff --git a/net/net.c b/net/net.c
index fb7b7dcc25..ca30df963d 100644
--- a/net/net.c
+++ b/net/net.c
@@ -43,6 +43,7 @@
 #include "qemu/cutils.h"
 #include "qemu/config-file.h"
 #include "qemu/ctype.h"
+#include "qemu/id.h"
 #include "qemu/iov.h"
 #include "qemu/qemu-print.h"
 #include "qemu/main-loop.h"
@@ -1111,8 +1112,7 @@ static int net_client_init(QemuOpts *opts, bool is_netdev, Error **errp)
 
     /* Create an ID for -net if the user did not specify one */
     if (!is_netdev && !qemu_opts_id(opts)) {
-        static int idx;
-        qemu_opts_set_id(opts, g_strdup_printf("__org.qemu.net%i", idx++));
+        qemu_opts_set_id(opts, id_generate(ID_NET));
     }
 
     if (visit_type_Netdev(v, NULL, &object, errp)) {
@@ -1467,7 +1467,7 @@ static int net_param_nic(void *dummy, QemuOpts *opts, Error **errp)
     /* Create an ID if the user did not specify one */
     nd_id = g_strdup(qemu_opts_id(opts));
     if (!nd_id) {
-        nd_id = g_strdup_printf("__org.qemu.nic%i", idx);
+        nd_id = id_generate(ID_NET);
         qemu_opts_set_id(opts, nd_id);
     }