DRM deinit with error device

Hello team!

For multi-GPU hotplug, when one connector on a special card is disconnected, it will be detached from head. The following code should be called:

static void
drm_output_deinit(struct weston_output *base)
{
	struct drm_output *output = to_drm_output(base);
	struct drm_backend *b = output->backend;
	struct drm_device *device = b->drm;
	struct drm_pending_state *pending;

	if (!b->compositor->shutting_down) {
		pending = drm_pending_state_alloc(device);
		drm_output_get_disable_state(pending, output);
		drm_pending_state_apply_sync(pending);
	}

	if (b->compositor->renderer->type == WESTON_RENDERER_PIXMAN)
		drm_output_fini_pixman(output);
	else
		drm_output_fini_egl(output);

	drm_output_deinit_planes(output);
	drm_output_detach_crtc(output);

	if (output->hdr_output_metadata_blob_id) {
		drmModeDestroyPropertyBlob(device->drm.fd,
					   output->hdr_output_metadata_blob_id);
		output->hdr_output_metadata_blob_id = 0;
	}
}

I think the struct drm_device *device = b->drm; is assigned as an error device, because the disconnected connector may be belonged to a additional device, so always assign the b->drm to drm_device is a wrong code.

I think it should be change with:

struct drm_device *device = output->device;

Is this right?

Snow Best regards