staging: comedi: ni_labpc: simplify labpc_range_is_unipolar()

As Ian Abbott pointed out, this helper function can be simplified
by just checking if the 'min' value is >= 0.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/comedi/drivers/ni_labpc.c b/drivers/staging/comedi/drivers/ni_labpc.c
index a9117f7..b0ec088 100644 (file)
--- a/drivers/staging/comedi/drivers/ni_labpc.c
+++ b/drivers/staging/comedi/drivers/ni_labpc.c
@@ -320,13 +320,7 @@ static int labpc_counter_set_mode(struct comedi_device *dev,
 static bool labpc_range_is_unipolar(struct comedi_subdevice *s,
                                    unsigned int range)
 {
-       const struct comedi_lrange *lrange = s->range_table;
-       const struct comedi_krange *krange = &lrange->range[range];
-
-       if (krange->min < 0)
-               return false;
-       else
-               return true;
+       return s->range_table->range[range].min >= 0;
 }
 
 static int labpc_cancel(struct comedi_device *dev, struct comedi_subdevice *s)