ACPI: video: Fix null pointer in appledisplay driver
commit "ACPI: video: Add dev argument for backlight_device_register"
519ab5f2be65b72cf12ae99c89752bbe79b44df6
broke the apple display driver.
Signed-off-by: Michael Hanselmann <linux-kernel@hansmi.ch>
Signed-off-by: Len Brown <len.brown@intel.com>
diff --git a/drivers/usb/misc/appledisplay.c b/drivers/usb/misc/appledisplay.c
index a7932a7..31ab83c 100644
--- a/drivers/usb/misc/appledisplay.c
+++ b/drivers/usb/misc/appledisplay.c
@@ -281,7 +281,7 @@
/* Register backlight device */
snprintf(bl_name, sizeof(bl_name), "appledisplay%d",
atomic_inc_return(&count_displays) - 1);
- pdata->bd = backlight_device_register(bl_name, NULL, NULL,
+ pdata->bd = backlight_device_register(bl_name, NULL, pdata
&appledisplay_bl_data);
if (IS_ERR(pdata->bd)) {
err("appledisplay: Backlight registration failed");