Input: bf54x-keys - return real error when request_irq() fails

Signed-off-by: NMichael Hennerich <michael.hennerich@analog.com>
Signed-off-by: NBryan Wu <bryan.wu@analog.com>
Signed-off-by: NDmitry Torokhov <dtor@mail.ru>

drivers/input/keyboard/bf54x-keys.c

@@ -256,7 +256,6 @@ static int __devinit bfin_kpad_probe(struct platform_device *pdev)
 		printk(KERN_ERR DRV_NAME
 			": unable to claim irq %d; error %d\n",
 			bf54x_kpad->irq, error);
-		error = -EBUSY;
 		goto out2;
 	}