ui/vdagent: call vdagent_disconnect() when agent connection is lost

when the agent connection is lost, the input handler of the mouse
doesn't deactivate, which results in unresponsive mouse events in
VNC windows.

To fix this issue, call vdagent_disconnect() to reset the state
each time the frontend disconncect

Signed-off-by: Guoyi Tu <tugy@chinatelecom.cn>
Signed-off-by: dengpengcheng <dengpc12@chinatelecom.cn>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <71fd5a58fd09f10cdb35f167b2edb5669300116e.1692281173.git.tugy@chinatelecom.cn>

diff --git a/ui/vdagent.c b/ui/vdagent.c
index 8a651492f0955290886d57ed1a313cdf5730187c..4b9a1fb7c58c48d12719e1261398b239c0e17a96 100644 (file)
--- a/ui/vdagent.c
+++ b/ui/vdagent.c
@@ -870,8 +870,11 @@ static void vdagent_disconnect(VDAgentChardev *vd)
 
 static void vdagent_chr_set_fe_open(struct Chardev *chr, int fe_open)
 {
+    VDAgentChardev *vd = QEMU_VDAGENT_CHARDEV(chr);
+
     if (!fe_open) {
         trace_vdagent_close();
+        vdagent_disconnect(vd);
         /* To reset_serial, we CLOSED our side. Make sure the other end knows we
          * are ready again. */
         qemu_chr_be_event(chr, CHR_EVENT_OPENED);