diff mbox series

[v10,05/17] net: introduce qemu_set_info_str() function

Message ID 20221005162051.1120041-6-lvivier@redhat.com (mailing list archive)
State New, archived
Headers show
Series qapi: net: add unix socket type support to netdev backend | expand

Commit Message

Laurent Vivier Oct. 5, 2022, 4:20 p.m. UTC 
Embed the setting of info_str in a function.

Signed-off-by: Laurent Vivier <lvivier@redhat.com>
---
 include/net/net.h |  1 +
 net/l2tpv3.c      |  3 +--
 net/net.c         | 17 ++++++++++++-----
 net/slirp.c       |  5 ++---
 net/socket.c      | 33 ++++++++++++++-------------------
 net/tap-win32.c   |  3 +--
 net/tap.c         | 13 +++++--------
 net/vde.c         |  3 +--
 net/vhost-user.c  |  3 +--
 net/vhost-vdpa.c  |  2 +-
 10 files changed, 39 insertions(+), 44 deletions(-)

Comments

David Gibson Oct. 6, 2022, 8:08 a.m. UTC | #1 
On Wed, Oct 05, 2022 at 06:20:39PM +0200, Laurent Vivier wrote:
> 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>

> ---
>  include/net/net.h |  1 +
>  net/l2tpv3.c      |  3 +--
>  net/net.c         | 17 ++++++++++++-----
>  net/slirp.c       |  5 ++---
>  net/socket.c      | 33 ++++++++++++++-------------------
>  net/tap-win32.c   |  3 +--
>  net/tap.c         | 13 +++++--------
>  net/vde.c         |  3 +--
>  net/vhost-user.c  |  3 +--
>  net/vhost-vdpa.c  |  2 +-
>  10 files changed, 39 insertions(+), 44 deletions(-)
> 
> diff --git a/include/net/net.h b/include/net/net.h
> index 025dbf1e143b..3db75ff841ff 100644
> --- a/include/net/net.h
> +++ b/include/net/net.h
> @@ -177,6 +177,7 @@ ssize_t qemu_send_packet_async(NetClientState *nc, const uint8_t *buf,
>  void qemu_purge_queued_packets(NetClientState *nc);
>  void qemu_flush_queued_packets(NetClientState *nc);
>  void qemu_flush_or_purge_queued_packets(NetClientState *nc, bool purge);
> +void qemu_set_info_str(NetClientState *nc, const char *fmt, ...);
>  void qemu_format_nic_info_str(NetClientState *nc, uint8_t macaddr[6]);
>  bool qemu_has_ufo(NetClientState *nc);
>  bool qemu_has_vnet_hdr(NetClientState *nc);
> diff --git a/net/l2tpv3.c b/net/l2tpv3.c
> index af373e5c300c..350041a0d6c0 100644
> --- a/net/l2tpv3.c
> +++ b/net/l2tpv3.c
> @@ -723,8 +723,7 @@ int net_init_l2tpv3(const Netdev *netdev,
>  
>      l2tpv3_read_poll(s, true);
>  
> -    snprintf(s->nc.info_str, sizeof(s->nc.info_str),
> -             "l2tpv3: connected");
> +    qemu_set_info_str(&s->nc, "l2tpv3: connected");
>      return 0;
>  outerr:
>      qemu_del_net_client(nc);
> diff --git a/net/net.c b/net/net.c
> index ffe3e5a2cf1d..41e05137d431 100644
> --- a/net/net.c
> +++ b/net/net.c
> @@ -141,13 +141,20 @@ char *qemu_mac_strdup_printf(const uint8_t *macaddr)
>                             macaddr[3], macaddr[4], macaddr[5]);
>  }
>  
> +void qemu_set_info_str(NetClientState *nc, const char *fmt, ...)
> +{
> +    va_list ap;
> +
> +    va_start(ap, fmt);
> +    vsnprintf(nc->info_str, sizeof(nc->info_str), fmt, ap);
> +    va_end(ap);
> +}
> +
>  void qemu_format_nic_info_str(NetClientState *nc, uint8_t macaddr[6])
>  {
> -    snprintf(nc->info_str, sizeof(nc->info_str),
> -             "model=%s,macaddr=%02x:%02x:%02x:%02x:%02x:%02x",
> -             nc->model,
> -             macaddr[0], macaddr[1], macaddr[2],
> -             macaddr[3], macaddr[4], macaddr[5]);
> +    qemu_set_info_str(nc, "model=%s,macaddr=%02x:%02x:%02x:%02x:%02x:%02x",
> +                      nc->model, macaddr[0], macaddr[1], macaddr[2],
> +                      macaddr[3], macaddr[4], macaddr[5]);
>  }
>  
>  static int mac_table[256] = {0};
> diff --git a/net/slirp.c b/net/slirp.c
> index 8679be644420..14a8d592774c 100644
> --- a/net/slirp.c
> +++ b/net/slirp.c
> @@ -611,9 +611,8 @@ static int net_slirp_init(NetClientState *peer, const char *model,
>  
>      nc = qemu_new_net_client(&net_slirp_info, peer, model, name);
>  
> -    snprintf(nc->info_str, sizeof(nc->info_str),
> -             "net=%s,restrict=%s", inet_ntoa(net),
> -             restricted ? "on" : "off");
> +    qemu_set_info_str(nc, "net=%s,restrict=%s", inet_ntoa(net),
> +                      restricted ? "on" : "off");
>  
>      s = DO_UPCAST(SlirpState, nc, nc);
>  
> diff --git a/net/socket.c b/net/socket.c
> index bfd8596250c4..ade1ecf38b87 100644
> --- a/net/socket.c
> +++ b/net/socket.c
> @@ -179,7 +179,7 @@ static void net_socket_send(void *opaque)
>          s->fd = -1;
>          net_socket_rs_init(&s->rs, net_socket_rs_finalize, false);
>          s->nc.link_down = true;
> -        memset(s->nc.info_str, 0, sizeof(s->nc.info_str));
> +        qemu_set_info_str(&s->nc, "");
>  
>          return;
>      }
> @@ -387,16 +387,15 @@ static NetSocketState *net_socket_fd_init_dgram(NetClientState *peer,
>      /* mcast: save bound address as dst */
>      if (is_connected && mcast != NULL) {
>          s->dgram_dst = saddr;
> -        snprintf(nc->info_str, sizeof(nc->info_str),
> -                 "socket: fd=%d (cloned mcast=%s:%d)",
> -                 fd, inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
> +        qemu_set_info_str(nc, "socket: fd=%d (cloned mcast=%s:%d)", fd,
> +                          inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
>      } else {
>          if (sa_type == SOCKET_ADDRESS_TYPE_UNIX) {
>              s->dgram_dst.sin_family = AF_UNIX;
>          }
>  
> -        snprintf(nc->info_str, sizeof(nc->info_str),
> -                 "socket: fd=%d %s", fd, SocketAddressType_str(sa_type));
> +        qemu_set_info_str(nc, "socket: fd=%d %s", fd,
> +                          SocketAddressType_str(sa_type));
>      }
>  
>      return s;
> @@ -430,7 +429,7 @@ static NetSocketState *net_socket_fd_init_stream(NetClientState *peer,
>  
>      nc = qemu_new_net_client(&net_socket_info, peer, model, name);
>  
> -    snprintf(nc->info_str, sizeof(nc->info_str), "socket: fd=%d", fd);
> +    qemu_set_info_str(nc, "socket: fd=%d", fd);
>  
>      s = DO_UPCAST(NetSocketState, nc, nc);
>  
> @@ -497,9 +496,8 @@ static void net_socket_accept(void *opaque)
>      s->fd = fd;
>      s->nc.link_down = false;
>      net_socket_connect(s);
> -    snprintf(s->nc.info_str, sizeof(s->nc.info_str),
> -             "socket: connection from %s:%d",
> -             inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
> +    qemu_set_info_str(&s->nc, "socket: connection from %s:%d",
> +                      inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
>  }
>  
>  static int net_socket_listen_init(NetClientState *peer,
> @@ -597,9 +595,8 @@ static int net_socket_connect_init(NetClientState *peer,
>          return -1;
>      }
>  
> -    snprintf(s->nc.info_str, sizeof(s->nc.info_str),
> -             "socket: connect to %s:%d",
> -             inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
> +    qemu_set_info_str(&s->nc, "socket: connect to %s:%d",
> +                      inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
>      return 0;
>  }
>  
> @@ -642,9 +639,8 @@ static int net_socket_mcast_init(NetClientState *peer,
>  
>      s->dgram_dst = saddr;
>  
> -    snprintf(s->nc.info_str, sizeof(s->nc.info_str),
> -             "socket: mcast=%s:%d",
> -             inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
> +    qemu_set_info_str(&s->nc, "socket: mcast=%s:%d",
> +                      inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
>      return 0;
>  
>  }
> @@ -697,9 +693,8 @@ static int net_socket_udp_init(NetClientState *peer,
>  
>      s->dgram_dst = raddr;
>  
> -    snprintf(s->nc.info_str, sizeof(s->nc.info_str),
> -             "socket: udp=%s:%d",
> -             inet_ntoa(raddr.sin_addr), ntohs(raddr.sin_port));
> +    qemu_set_info_str(&s->nc, "socket: udp=%s:%d", inet_ntoa(raddr.sin_addr),
> +                      ntohs(raddr.sin_port));
>      return 0;
>  }
>  
> diff --git a/net/tap-win32.c b/net/tap-win32.c
> index 7466f22e77a4..a49c28ba5dc5 100644
> --- a/net/tap-win32.c
> +++ b/net/tap-win32.c
> @@ -789,8 +789,7 @@ static int tap_win32_init(NetClientState *peer, const char *model,
>  
>      s = DO_UPCAST(TAPState, nc, nc);
>  
> -    snprintf(s->nc.info_str, sizeof(s->nc.info_str),
> -             "tap: ifname=%s", ifname);
> +    qemu_set_info_str(&s->nc, "tap: ifname=%s", ifname);
>  
>      s->handle = handle;
>  
> diff --git a/net/tap.c b/net/tap.c
> index e203d07a1216..1210a0436de8 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);
> diff --git a/net/vde.c b/net/vde.c
> index 1083916bcf52..c0a08662cc30 100644
> --- a/net/vde.c
> +++ b/net/vde.c
> @@ -98,8 +98,7 @@ static int net_vde_init(NetClientState *peer, const char *model,
>  
>      nc = qemu_new_net_client(&net_vde_info, peer, model, name);
>  
> -    snprintf(nc->info_str, sizeof(nc->info_str), "sock=%s,fd=%d",
> -             sock, vde_datafd(vde));
> +    qemu_set_info_str(nc, "sock=%s,fd=%d", sock, vde_datafd(vde));
>  
>      s = DO_UPCAST(VDEState, nc, nc);
>  
> diff --git a/net/vhost-user.c b/net/vhost-user.c
> index b1a0247b5981..3a6b90da8661 100644
> --- a/net/vhost-user.c
> +++ b/net/vhost-user.c
> @@ -341,8 +341,7 @@ static int net_vhost_user_init(NetClientState *peer, const char *device,
>      user = g_new0(struct VhostUserState, 1);
>      for (i = 0; i < queues; i++) {
>          nc = qemu_new_net_client(&net_vhost_user_info, peer, device, name);
> -        snprintf(nc->info_str, sizeof(nc->info_str), "vhost-user%d to %s",
> -                 i, chr->label);
> +        qemu_set_info_str(nc, "vhost-user%d to %s", i, chr->label);
>          nc->queue_index = i;
>          if (!nc0) {
>              nc0 = nc;
> diff --git a/net/vhost-vdpa.c b/net/vhost-vdpa.c
> index 4bc3fd01a878..e1865bea6aa3 100644
> --- a/net/vhost-vdpa.c
> +++ b/net/vhost-vdpa.c
> @@ -593,7 +593,7 @@ static NetClientState *net_vhost_vdpa_init(NetClientState *peer,
>          nc = qemu_new_net_control_client(&net_vhost_vdpa_cvq_info, peer,
>                                           device, name);
>      }
> -    snprintf(nc->info_str, sizeof(nc->info_str), TYPE_VHOST_VDPA);
> +    qemu_set_info_str(nc, TYPE_VHOST_VDPA);
>      s = DO_UPCAST(VhostVDPAState, nc, nc);
>  
>      s->vhost_vdpa.device_fd = vdpa_device_fd;
diff mbox series

Patch

diff --git a/include/net/net.h b/include/net/net.h
index 025dbf1e143b..3db75ff841ff 100644
--- a/include/net/net.h
+++ b/include/net/net.h
@@ -177,6 +177,7 @@  ssize_t qemu_send_packet_async(NetClientState *nc, const uint8_t *buf,
 void qemu_purge_queued_packets(NetClientState *nc);
 void qemu_flush_queued_packets(NetClientState *nc);
 void qemu_flush_or_purge_queued_packets(NetClientState *nc, bool purge);
+void qemu_set_info_str(NetClientState *nc, const char *fmt, ...);
 void qemu_format_nic_info_str(NetClientState *nc, uint8_t macaddr[6]);
 bool qemu_has_ufo(NetClientState *nc);
 bool qemu_has_vnet_hdr(NetClientState *nc);
diff --git a/net/l2tpv3.c b/net/l2tpv3.c
index af373e5c300c..350041a0d6c0 100644
--- a/net/l2tpv3.c
+++ b/net/l2tpv3.c
@@ -723,8 +723,7 @@  int net_init_l2tpv3(const Netdev *netdev,
 
     l2tpv3_read_poll(s, true);
 
-    snprintf(s->nc.info_str, sizeof(s->nc.info_str),
-             "l2tpv3: connected");
+    qemu_set_info_str(&s->nc, "l2tpv3: connected");
     return 0;
 outerr:
     qemu_del_net_client(nc);
diff --git a/net/net.c b/net/net.c
index ffe3e5a2cf1d..41e05137d431 100644
--- a/net/net.c
+++ b/net/net.c
@@ -141,13 +141,20 @@  char *qemu_mac_strdup_printf(const uint8_t *macaddr)
                            macaddr[3], macaddr[4], macaddr[5]);
 }
 
+void qemu_set_info_str(NetClientState *nc, const char *fmt, ...)
+{
+    va_list ap;
+
+    va_start(ap, fmt);
+    vsnprintf(nc->info_str, sizeof(nc->info_str), fmt, ap);
+    va_end(ap);
+}
+
 void qemu_format_nic_info_str(NetClientState *nc, uint8_t macaddr[6])
 {
-    snprintf(nc->info_str, sizeof(nc->info_str),
-             "model=%s,macaddr=%02x:%02x:%02x:%02x:%02x:%02x",
-             nc->model,
-             macaddr[0], macaddr[1], macaddr[2],
-             macaddr[3], macaddr[4], macaddr[5]);
+    qemu_set_info_str(nc, "model=%s,macaddr=%02x:%02x:%02x:%02x:%02x:%02x",
+                      nc->model, macaddr[0], macaddr[1], macaddr[2],
+                      macaddr[3], macaddr[4], macaddr[5]);
 }
 
 static int mac_table[256] = {0};
diff --git a/net/slirp.c b/net/slirp.c
index 8679be644420..14a8d592774c 100644
--- a/net/slirp.c
+++ b/net/slirp.c
@@ -611,9 +611,8 @@  static int net_slirp_init(NetClientState *peer, const char *model,
 
     nc = qemu_new_net_client(&net_slirp_info, peer, model, name);
 
-    snprintf(nc->info_str, sizeof(nc->info_str),
-             "net=%s,restrict=%s", inet_ntoa(net),
-             restricted ? "on" : "off");
+    qemu_set_info_str(nc, "net=%s,restrict=%s", inet_ntoa(net),
+                      restricted ? "on" : "off");
 
     s = DO_UPCAST(SlirpState, nc, nc);
 
diff --git a/net/socket.c b/net/socket.c
index bfd8596250c4..ade1ecf38b87 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -179,7 +179,7 @@  static void net_socket_send(void *opaque)
         s->fd = -1;
         net_socket_rs_init(&s->rs, net_socket_rs_finalize, false);
         s->nc.link_down = true;
-        memset(s->nc.info_str, 0, sizeof(s->nc.info_str));
+        qemu_set_info_str(&s->nc, "");
 
         return;
     }
@@ -387,16 +387,15 @@  static NetSocketState *net_socket_fd_init_dgram(NetClientState *peer,
     /* mcast: save bound address as dst */
     if (is_connected && mcast != NULL) {
         s->dgram_dst = saddr;
-        snprintf(nc->info_str, sizeof(nc->info_str),
-                 "socket: fd=%d (cloned mcast=%s:%d)",
-                 fd, inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
+        qemu_set_info_str(nc, "socket: fd=%d (cloned mcast=%s:%d)", fd,
+                          inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
     } else {
         if (sa_type == SOCKET_ADDRESS_TYPE_UNIX) {
             s->dgram_dst.sin_family = AF_UNIX;
         }
 
-        snprintf(nc->info_str, sizeof(nc->info_str),
-                 "socket: fd=%d %s", fd, SocketAddressType_str(sa_type));
+        qemu_set_info_str(nc, "socket: fd=%d %s", fd,
+                          SocketAddressType_str(sa_type));
     }
 
     return s;
@@ -430,7 +429,7 @@  static NetSocketState *net_socket_fd_init_stream(NetClientState *peer,
 
     nc = qemu_new_net_client(&net_socket_info, peer, model, name);
 
-    snprintf(nc->info_str, sizeof(nc->info_str), "socket: fd=%d", fd);
+    qemu_set_info_str(nc, "socket: fd=%d", fd);
 
     s = DO_UPCAST(NetSocketState, nc, nc);
 
@@ -497,9 +496,8 @@  static void net_socket_accept(void *opaque)
     s->fd = fd;
     s->nc.link_down = false;
     net_socket_connect(s);
-    snprintf(s->nc.info_str, sizeof(s->nc.info_str),
-             "socket: connection from %s:%d",
-             inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
+    qemu_set_info_str(&s->nc, "socket: connection from %s:%d",
+                      inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
 }
 
 static int net_socket_listen_init(NetClientState *peer,
@@ -597,9 +595,8 @@  static int net_socket_connect_init(NetClientState *peer,
         return -1;
     }
 
-    snprintf(s->nc.info_str, sizeof(s->nc.info_str),
-             "socket: connect to %s:%d",
-             inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
+    qemu_set_info_str(&s->nc, "socket: connect to %s:%d",
+                      inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
     return 0;
 }
 
@@ -642,9 +639,8 @@  static int net_socket_mcast_init(NetClientState *peer,
 
     s->dgram_dst = saddr;
 
-    snprintf(s->nc.info_str, sizeof(s->nc.info_str),
-             "socket: mcast=%s:%d",
-             inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
+    qemu_set_info_str(&s->nc, "socket: mcast=%s:%d",
+                      inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
     return 0;
 
 }
@@ -697,9 +693,8 @@  static int net_socket_udp_init(NetClientState *peer,
 
     s->dgram_dst = raddr;
 
-    snprintf(s->nc.info_str, sizeof(s->nc.info_str),
-             "socket: udp=%s:%d",
-             inet_ntoa(raddr.sin_addr), ntohs(raddr.sin_port));
+    qemu_set_info_str(&s->nc, "socket: udp=%s:%d", inet_ntoa(raddr.sin_addr),
+                      ntohs(raddr.sin_port));
     return 0;
 }
 
diff --git a/net/tap-win32.c b/net/tap-win32.c
index 7466f22e77a4..a49c28ba5dc5 100644
--- a/net/tap-win32.c
+++ b/net/tap-win32.c
@@ -789,8 +789,7 @@  static int tap_win32_init(NetClientState *peer, const char *model,
 
     s = DO_UPCAST(TAPState, nc, nc);
 
-    snprintf(s->nc.info_str, sizeof(s->nc.info_str),
-             "tap: ifname=%s", ifname);
+    qemu_set_info_str(&s->nc, "tap: ifname=%s", ifname);
 
     s->handle = handle;
 
diff --git a/net/tap.c b/net/tap.c
index e203d07a1216..1210a0436de8 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);
diff --git a/net/vde.c b/net/vde.c
index 1083916bcf52..c0a08662cc30 100644
--- a/net/vde.c
+++ b/net/vde.c
@@ -98,8 +98,7 @@  static int net_vde_init(NetClientState *peer, const char *model,
 
     nc = qemu_new_net_client(&net_vde_info, peer, model, name);
 
-    snprintf(nc->info_str, sizeof(nc->info_str), "sock=%s,fd=%d",
-             sock, vde_datafd(vde));
+    qemu_set_info_str(nc, "sock=%s,fd=%d", sock, vde_datafd(vde));
 
     s = DO_UPCAST(VDEState, nc, nc);
 
diff --git a/net/vhost-user.c b/net/vhost-user.c
index b1a0247b5981..3a6b90da8661 100644
--- a/net/vhost-user.c
+++ b/net/vhost-user.c
@@ -341,8 +341,7 @@  static int net_vhost_user_init(NetClientState *peer, const char *device,
     user = g_new0(struct VhostUserState, 1);
     for (i = 0; i < queues; i++) {
         nc = qemu_new_net_client(&net_vhost_user_info, peer, device, name);
-        snprintf(nc->info_str, sizeof(nc->info_str), "vhost-user%d to %s",
-                 i, chr->label);
+        qemu_set_info_str(nc, "vhost-user%d to %s", i, chr->label);
         nc->queue_index = i;
         if (!nc0) {
             nc0 = nc;
diff --git a/net/vhost-vdpa.c b/net/vhost-vdpa.c
index 4bc3fd01a878..e1865bea6aa3 100644
--- a/net/vhost-vdpa.c
+++ b/net/vhost-vdpa.c
@@ -593,7 +593,7 @@  static NetClientState *net_vhost_vdpa_init(NetClientState *peer,
         nc = qemu_new_net_control_client(&net_vhost_vdpa_cvq_info, peer,
                                          device, name);
     }
-    snprintf(nc->info_str, sizeof(nc->info_str), TYPE_VHOST_VDPA);
+    qemu_set_info_str(nc, TYPE_VHOST_VDPA);
     s = DO_UPCAST(VhostVDPAState, nc, nc);
 
     s->vhost_vdpa.device_fd = vdpa_device_fd;