Commit 52a07cde authored by H Hartley Sweeten's avatar H Hartley Sweeten Committed by Greg Kroah-Hartman
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staging: comedi: dt2801: fix access to 2nd dio subdevice 



Only 4 subdevices are allocated by this driver. The 2nd dio
subdevice is 'dev->subdevice + 3' not '... + 4'.

Signed-off-by: default avatarH Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 2930d0ba

drivers/staging/comedi/drivers/dt2801.c

+2 −2
Original line number Diff line number Diff line
@@ -532,7 +532,7 @@ static int dt2801_dio_insn_bits(struct comedi_device *dev, 
{

	int which = 0;



	if (s == dev->subdevices + 4)

	if (s == dev->subdevices + 3)

		which = 1;



	if (data[0]) {
@@ -555,7 +555,7 @@ static int dt2801_dio_insn_config(struct comedi_device *dev, 
{

	int which = 0;



	if (s == dev->subdevices + 4)

	if (s == dev->subdevices + 3)

		which = 1;



	/* configure */