On 07/01/2013 03:20 PM, Alexandre Belloni wrote:
> Since the info_mask split, iio_channel_has_info() is not working correctly.
> info_mask_separate and info_mask_shared_by_type, it is not possible to compare
> them directly with the iio_chan_info_enum enum. Correct that bit using the BIT()
> macro.
>
> Cc: <stable@xxxxxxxxxxxxxxx> # 3.10.x
> Signed-off-by: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxxxxxxxxx>
ouch / oops is about all I can say to this one. Ideally might have had a note
in the description about what the effect of this bug is (breakage in the inkern interface)
Thanks and applied to the fixes-togreg branch of iio.git
> ---
> include/linux/iio/iio.h | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/include/linux/iio/iio.h b/include/linux/iio/iio.h
> index 8d171f4..3d35b70 100644
> --- a/include/linux/iio/iio.h
> +++ b/include/linux/iio/iio.h
> @@ -211,8 +211,8 @@ struct iio_chan_spec {
> static inline bool iio_channel_has_info(const struct iio_chan_spec *chan,
> enum iio_chan_info_enum type)
> {
> - return (chan->info_mask_separate & type) |
> - (chan->info_mask_shared_by_type & type);
> + return (chan->info_mask_separate & BIT(type)) |
> + (chan->info_mask_shared_by_type & BIT(type));
> }
>
> #define IIO_ST(si, rb, sb, sh) \
>
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