diff options
| -rw-r--r-- | hw/virtio-serial-bus.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/hw/virtio-serial-bus.c b/hw/virtio-serial-bus.c index 3ea95b8b52..ce4556fc48 100644 --- a/hw/virtio-serial-bus.c +++ b/hw/virtio-serial-bus.c @@ -852,6 +852,12 @@ static void remove_port(VirtIOSerial *vser, uint32_t port_id) vser->ports_map[i] &= ~(1U << (port_id % 32)); port = find_port_by_id(vser, port_id); + /* + * This function is only called from qdev's unplug callback; if we + * get a NULL port here, we're in trouble. + */ + assert(port); + /* Flush out any unconsumed buffers first */ discard_vq_data(port->ovq, &port->vser->vdev); |