Don't assume a specific layout for control messages. Required by virtio 1. Signed-off-by: Michael S. Tsirkin <m...@redhat.com> --- hw/char/virtio-serial-bus.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/hw/char/virtio-serial-bus.c b/hw/char/virtio-serial-bus.c index 78c73e5..16de50f 100644 --- a/hw/char/virtio-serial-bus.c +++ b/hw/char/virtio-serial-bus.c @@ -195,7 +195,8 @@ static size_t send_control_msg(VirtIOSerial *vser, void *buf, size_t len) return 0; } - memcpy(elem.in_sg[0].iov_base, buf, len); + /* TODO: detect a buffer that's too short, set NEEDS_RESET */ + iov_from_buf(&elem.in_sg, buf, len); virtqueue_push(vq, &elem, len); virtio_notify(VIRTIO_DEVICE(vser), vq); -- MST