Commit d18c5906 authored by Greg Kroah-Hartman's avatar Greg Kroah-Hartman
Browse files

Staging: comedi: das1800.c: fix a locking error on the error path. 



Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: Frank Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent b74a9670

drivers/staging/comedi/drivers/das1800.c

+3 −1
Original line number Diff line number Diff line
@@ -1637,7 +1637,8 @@ static int das1800_ai_rinsn(struct comedi_device *dev, 
		}

		if (i == timeout) {

			comedi_error(dev, "timeout");

			return -ETIME;

			n = -ETIME;

			goto exit;

		}

		dpnt = inw(dev->iobase + DAS1800_FIFO);

		/* shift data to offset binary for bipolar ranges */
@@ -1645,6 +1646,7 @@ static int das1800_ai_rinsn(struct comedi_device *dev, 
			dpnt += 1 << (thisboard->resolution - 1);

		data[n] = dpnt;

	}

exit:

	spin_unlock_irqrestore(&dev->spinlock, irq_flags);



	return n;