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staging: comedi: dt2801: fix access to 2nd dio subdevice

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

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
H Hartley Sweeten 2012-09-05 18:39:13 -07:00 • committed by Greg Kroah-Hartman
parent 2930d0ba65
commit 52a07cde49
1 changed files with 2 additions and 2 deletions
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4
drivers/staging/comedi/drivers/dt2801.c
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@ -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 */