From: William Breathitt Gray Date: Thu, 9 Feb 2017 15:03:41 +0000 (-0500) Subject: iio: 104-quad-8: Fix off-by-one error when addressing flag register X-Git-Tag: v4.11-rc1~4^2~5^2~1 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=ca8d8e03b4c9ad447d1e882cc8014e538f653018;p=karo-tx-linux.git iio: 104-quad-8: Fix off-by-one error when addressing flag register The flag register is offset by 1 from the respective channel data register. This patch fixes an off-by-one error when attempting to read a channel flag register where the base address was not properly offset. Fixes: 28e5d3bb0325 ("iio: 104-quad-8: Add IIO support for the ACCES 104-QUAD-8") Signed-off-by: William Breathitt Gray Signed-off-by: Jonathan Cameron --- diff --git a/drivers/iio/counter/104-quad-8.c b/drivers/iio/counter/104-quad-8.c index a5913e97945e..f9b8fc9ae13f 100644 --- a/drivers/iio/counter/104-quad-8.c +++ b/drivers/iio/counter/104-quad-8.c @@ -76,7 +76,7 @@ static int quad8_read_raw(struct iio_dev *indio_dev, return IIO_VAL_INT; } - flags = inb(base_offset); + flags = inb(base_offset + 1); borrow = flags & BIT(0); carry = !!(flags & BIT(1));