net: introduce qemu_set_info_str() function

Embed the setting of info_str in a function.

Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Jason Wang <jasowang@redhat.com>

1 files changed, 5 insertions, 8 deletions

diff --git a/net/tap.c b/net/tap.c
index e203d07..1210a04 100644
--- a/net/tap.c
+++ b/net/tap.c
@@ -630,8 +630,7 @@ int net_init_bridge(const Netdev *netdev, const char *name,
     }
     s = net_tap_fd_init(peer, "bridge", name, fd, vnet_hdr);
 
-    snprintf(s->nc.info_str, sizeof(s->nc.info_str), "helper=%s,br=%s", helper,
-             br);
+    qemu_set_info_str(&s->nc, "helper=%s,br=%s", helper, br);
 
     return 0;
 }
@@ -690,14 +689,12 @@ static void net_init_tap_one(const NetdevTapOptions *tap, NetClientState *peer,
     }
 
     if (tap->has_fd || tap->has_fds) {
-        snprintf(s->nc.info_str, sizeof(s->nc.info_str), "fd=%d", fd);
+        qemu_set_info_str(&s->nc, "fd=%d", fd);
     } else if (tap->has_helper) {
-        snprintf(s->nc.info_str, sizeof(s->nc.info_str), "helper=%s",
-                 tap->helper);
+        qemu_set_info_str(&s->nc, "helper=%s", tap->helper);
     } else {
-        snprintf(s->nc.info_str, sizeof(s->nc.info_str),
-                 "ifname=%s,script=%s,downscript=%s", ifname, script,
-                 downscript);
+        qemu_set_info_str(&s->nc, "ifname=%s,script=%s,downscript=%s", ifname,
+                          script, downscript);
 
         if (strcmp(downscript, "no") != 0) {
             snprintf(s->down_script, sizeof(s->down_script), "%s", downscript);