Use a local variable to hold the base register, 'reg', that is used
to read from the device.
Signed-off-by: H Hartley Sweeten <hswee...@visionengravers.com>
Cc: Ian Abbott <abbo...@mev.co.uk>
Cc: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
drivers/staging/comedi/drivers/acl7225b.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/staging/comedi/drivers/acl7225b.c
b/drivers/staging/comedi/drivers/acl7225b.c
index 80cfa817..5afadce 100644
--- a/drivers/staging/comedi/drivers/acl7225b.c
+++ b/drivers/staging/comedi/drivers/acl7225b.c
@@ -64,8 +64,10 @@ static int acl7225b_di_insn_bits(struct comedi_device *dev,
struct comedi_insn *insn,
unsigned int *data)
{
- data[1] = inb(dev->iobase + (unsigned long)s->private) |
- (inb(dev->iobase + (unsigned long)s->private + 1) << 8);
+ unsigned long reg = (unsigned long)s->private;
+
+ data[1] = inb(dev->iobase + reg) |
+ (inb(dev->iobase + reg + 1) << 8);
return insn->n;
}
--
1.8.1.4
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