diff options
Diffstat (limited to 'hw/virtio-serial-bus.c')
| -rw-r--r-- | hw/virtio-serial-bus.c | 19 |
1 files changed, 1 insertions, 18 deletions
diff --git a/hw/virtio-serial-bus.c b/hw/virtio-serial-bus.c index ada1d0100b..7d0515f551 100644 --- a/hw/virtio-serial-bus.c +++ b/hw/virtio-serial-bus.c @@ -172,24 +172,7 @@ static void do_flush_queued_data(VirtIOSerialPort *port, VirtQueue *vq, port->elem.out_sg[i].iov_base + port->iov_offset, buf_size); - if (ret < 0 && ret != -EAGAIN) { - /* We don't handle any other type of errors here */ - abort(); - } - if (ret == -EAGAIN || (ret >= 0 && ret < buf_size)) { - /* - * this is a temporary check until chardevs can signal to - * frontends that they are writable again. This prevents - * the console from going into throttled mode (forever) - * if virtio-console is connected to a pty without a - * listener. Otherwise the guest spins forever. - * We can revert this if - * 1: chardevs can notify frondends - * 2: the guest driver does not spin in these cases - */ - if (!vsc->is_console) { - virtio_serial_throttle_port(port, true); - } + if (port->throttled) { port->iov_idx = i; if (ret > 0) { port->iov_offset += ret; |