backlight: PTR_ERR return of wrong pointer in cr_backlight_probe()

Return the PTR_ERR of the correct pointer.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
diff --git a/drivers/video/backlight/cr_bllcd.c b/drivers/video/backlight/cr_bllcd.c
index 2914bf1..da86db4 100644
--- a/drivers/video/backlight/cr_bllcd.c
+++ b/drivers/video/backlight/cr_bllcd.c
@@ -201,7 +201,7 @@
 	if (IS_ERR(ldp)) {
 		backlight_device_unregister(bdp);
 		pci_dev_put(lpc_dev);
-		return PTR_ERR(bdp);
+		return PTR_ERR(ldp);
 	}
 
 	pci_read_config_dword(lpc_dev, CRVML_REG_GPIOBAR,