From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Fri, 8 Jun 2012 06:52:58 +0000 (+0300)
Subject: staging: comedi: amplc_pci230: add a missing unlock
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=f59f231e3db835353d8d1ff91062d89140dc8be3;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

staging: comedi: amplc_pci230: add a missing unlock

This side of the if else statement returned with the lock held and IRQs
disabled.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/staging/comedi/drivers/amplc_pci230.c b/drivers/staging/comedi/drivers/amplc_pci230.c
index 30487be11650..f2ad35c6527d 100644
--- a/drivers/staging/comedi/drivers/amplc_pci230.c
+++ b/drivers/staging/comedi/drivers/amplc_pci230.c
@@ -1387,6 +1387,8 @@ static int pci230_ao_inttrig_scan_begin(struct comedi_device *dev,
 		/* Delay.  Should driver be responsible for this? */
 		/* XXX TODO: See if DAC busy bit can be used. */
 		udelay(8);
+	} else {
+		spin_unlock_irqrestore(&devpriv->ao_stop_spinlock, irqflags);
 	}
 
 	return 1;