1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/usb/misc/appledisplay.c b/drivers/usb/misc/appledisplay.c
index a076c24a312a..71d672ea1229 100644
--- a/drivers/usb/misc/appledisplay.c
+++ b/drivers/usb/misc/appledisplay.c
@@ -314,7 +314,7 @@ error:
                                         pdata->urbdata, pdata->urb->transfer_dma);
                         usb_free_urb(pdata->urb);
                 }
-                if (pdata->bd)
+                if (pdata->bd && !IS_ERR(pdata->bd))
                         backlight_device_unregister(pdata->bd);
                 kfree(pdata->msgdata);
         }