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-rw-r--r--hw/virtio-serial-bus.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/hw/virtio-serial-bus.c b/hw/virtio-serial-bus.c
index c77ea4feff..3a09f0d3c6 100644
--- a/hw/virtio-serial-bus.c
+++ b/hw/virtio-serial-bus.c
@@ -223,6 +223,11 @@ static void handle_control_message(VirtIOSerial *vser, void *buf)
switch(cpkt.event) {
case VIRTIO_CONSOLE_DEVICE_READY:
+ if (!cpkt.value) {
+ error_report("virtio-serial-bus: Guest failure in adding device %s\n",
+ vser->bus->qbus.name);
+ break;
+ }
/*
* The device is up, we can now tell the device about all the
* ports we have here.
@@ -233,6 +238,11 @@ static void handle_control_message(VirtIOSerial *vser, void *buf)
break;
case VIRTIO_CONSOLE_PORT_READY:
+ if (!cpkt.value) {
+ error_report("virtio-serial-bus: Guest failure in adding port %u for device %s\n",
+ port->id, vser->bus->qbus.name);
+ break;
+ }
/*
* Now that we know the guest asked for the port name, we're
* sure the guest has initialised whatever state is necessary