diff --git a/drivers/gpu/drm/drm_ioctl.c b/drivers/gpu/drm/drm_ioctl.c
index 3a36b3717c2808a34cf0fde46c2bffe3f0e705e9..d74473570acdb8e4561d9998356479b91175c17f 100644
--- a/drivers/gpu/drm/drm_ioctl.c
+++ b/drivers/gpu/drm/drm_ioctl.c
@@ -143,7 +143,7 @@ static int drm_set_busid(struct drm_device *dev, struct drm_file *file_priv)
 	if (master->unique != NULL)
 		drm_unset_busid(dev, master);
 
-	if (dev_is_pci(dev->dev)) {
+	if (dev->dev && dev_is_pci(dev->dev)) {
 		ret = drm_pci_set_busid(dev, master);
 		if (ret) {
 			drm_unset_busid(dev, master);