This is necessary so that we get properly woken up to write the rest. Signed-off-by: Hans de Goede <hdego...@redhat.com> Acked-by: Amit Shah <amit.s...@redhat.com> --- hw/virtio-console.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/hw/virtio-console.c b/hw/virtio-console.c index 284180f..015947c 100644 --- a/hw/virtio-console.c +++ b/hw/virtio-console.c @@ -47,7 +47,7 @@ static ssize_t flush_buf(VirtIOSerialPort *port, const uint8_t *buf, size_t len) ret = qemu_chr_fe_write(vcon->chr, buf, len); trace_virtio_console_flush_buf(port->id, len, ret); - if (ret <= 0) { + if (ret < len) { VirtIOSerialPortClass *k = VIRTIO_SERIAL_PORT_GET_CLASS(port); /* @@ -56,7 +56,8 @@ static ssize_t flush_buf(VirtIOSerialPort *port, const uint8_t *buf, size_t len) * we had a finer-grained message, like -EPIPE, we could close * this connection. */ - ret = 0; + if (ret < 0) + ret = 0; if (!k->is_console) { virtio_serial_throttle_port(port, true); qemu_chr_fe_add_watch(vcon->chr, G_IO_OUT, chr_write_unblocked, -- 1.8.1.4