From 52a07cde495ccca9212b3f725b606c75e8d89a2e Mon Sep 17 00:00:00 2001 From: H Hartley Sweeten Date: Wed, 5 Sep 2012 18:39:13 -0700 Subject: [PATCH] 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: H Hartley Sweeten Signed-off-by: Greg Kroah-Hartman --- drivers/staging/comedi/drivers/dt2801.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/staging/comedi/drivers/dt2801.c b/drivers/staging/comedi/drivers/dt2801.c index d332269375a..b6481bc3b2d 100644 --- a/drivers/staging/comedi/drivers/dt2801.c +++ b/drivers/staging/comedi/drivers/dt2801.c @@ -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 */ -- 2.46.0