From: Marc-André Lureau <marcandre.lur...@redhat.com>
This avoids failing to initialize virgl and crashing later on, and clear
the user expectations.
Signed-off-by: Marc-André Lureau <marcandre.lur...@redhat.com>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayl...@ilande.co.uk>
Message-Id: <20210705104218.1161101-1-marcandre.lur...@redhat.com>
Signed-off-by: Gerd Hoffmann <kra...@redhat.com>
---
hw/display/virtio-gpu-gl.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/hw/display/virtio-gpu-gl.c b/hw/display/virtio-gpu-gl.c
index 7ab93bf8c829..b1035e119c3b 100644
--- a/hw/display/virtio-gpu-gl.c
+++ b/hw/display/virtio-gpu-gl.c
@@ -113,6 +113,11 @@ static void virtio_gpu_gl_device_realize(DeviceState
*qdev, Error **errp)
return;
#endif
+ if (!object_resolve_path_type("", TYPE_VIRTIO_GPU_GL, NULL)) {
+ error_setg(errp, "at most one %s device is permitted",
TYPE_VIRTIO_GPU_GL);
+ return;
+ }
+
if (!display_opengl) {
error_setg(errp, "opengl is not available");
return;
--
2.31.1
