Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging

[mirror_qemu.git] / ui / vnc.c

diff --git a/ui/vnc.c b/ui/vnc.c
index 2c28a59ff7a5345f7189df6ee3caf2c746194314..29aa9c4c974a2a0e700b1ec25755b267064d67eb 100644 (file)
--- a/ui/vnc.c
+++ b/ui/vnc.c
@@ -2459,10 +2459,14 @@ static int protocol_client_init(VncState *vs, uint8_t *data, size_t len)
 
     pixel_format_message(vs);
 
-    if (qemu_name)
+    if (qemu_name) {
         size = snprintf(buf, sizeof(buf), "QEMU (%s)", qemu_name);
-    else
+        if (size > sizeof(buf)) {
+            size = sizeof(buf);
+        }
+    } else {
         size = snprintf(buf, sizeof(buf), "QEMU");
+    }
 
     vnc_write_u32(vs, size);
     vnc_write(vs, buf, size);