drm/i915: Unregister ACPI video driver when exiting
The i915 DRM triggers registration of the ACPI video driver on load. It
should unregister it at unload in order to avoid generating backtraces on
being reloaded.
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index cd4fb75..8961e61 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -2293,7 +2293,7 @@
return acpi_video_register();
}
-static void __exit acpi_video_exit(void)
+void __exit acpi_video_exit(void)
{
acpi_bus_unregister_driver(&acpi_video_bus);
@@ -2302,6 +2302,7 @@
return;
}
+EXPORT_SYMBOL(acpi_video_exit);
module_init(acpi_video_init);
module_exit(acpi_video_exit);