[PATCH] staging: comedi: drivers: dt2815: Removed variables that is never used

[Rickard Strandqvist]

Variable ar assigned a value that is never used.
I have also removed all the code that thereby serves no purpose.

This was found using a static code analysis program called cppcheck

Signed-off-by: Rickard Strandqvist <rickard_strandqvist at spectrumdigital.se>
---
 drivers/staging/comedi/drivers/dt2815.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/staging/comedi/drivers/dt2815.c b/drivers/staging/comedi/drivers/dt2815.c
index a98fb66..c5c0490 100644
--- a/drivers/staging/comedi/drivers/dt2815.c
+++ b/drivers/staging/comedi/drivers/dt2815.c
@@ -98,12 +98,11 @@ static int dt2815_ao_insn(struct comedi_device *dev, struct comedi_subdevice *s,
 	struct dt2815_private *devpriv = dev->private;
 	int i;
 	int chan = CR_CHAN(insn->chanspec);
-	unsigned int lo, hi;
+	unsigned int lo;
 	int ret;
 
 	for (i = 0; i < insn->n; i++) {
 		lo = ((data[i] & 0x0f) << 4) | (chan << 1) | 0x01;
-		hi = (data[i] & 0xff0) >> 4;
 
 		ret = comedi_timeout(dev, s, insn, dt2815_ao_status, 0x00);
 		if (ret)
-- 
1.7.10.4