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SubjectRe: [PATCH] iio: 104-quad-8: Fix off-by-one error when addressing flag register
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On 09/02/17 15:03, William Breathitt Gray wrote:
> 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 <vilhelm.gray@gmail.com>
Applied to the fixes-togreg-post-rc1 branch of iio.git
Clue to when this will go upstream is in the name ;)

Thanks,

Jonathan
> ---
> drivers/iio/counter/104-quad-8.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> 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));
>
>

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