Re: [PATCH 3/3] staging:iio: Fix scan mask update

[Jonathan Cameron <jic23@kernel.org>]

On 12/09/2011 03:11 PM, Greg KH wrote:
> On Fri, Dec 09, 2011 at 10:49:45AM +0100, Lars-Peter Clausen wrote:
>> On 12/08/2011 09:18 PM, Greg KH wrote:
>>> On Thu, Dec 08, 2011 at 06:35:53PM +0100, Lars-Peter Clausen wrote:
>>>> When updating the scan mask we have to check the actual scan mask =
for if the
>>>> channel is already enabled, not the matching scan mask from the av=
ailable
>>>> scan masks. The bit will already be set there and as a result the =
actual
>>>> scan mask will not get updated and the channel stays disabled.
>>>>
>>>> Also fix the return value of iio_scan_el_store which would return =
1 instead of
>>>> the number of bytes written if the channel was already active in t=
he scan mask.
>>>
>>> You just added a complier warning with this patch:
>>>   CC [M]  drivers/staging/iio/industrialio-buffer.o
>>> drivers/staging/iio/industrialio-buffer.c: In function =E2=80=98iio=
_scan_mask_query=E2=80=99:
>>> drivers/staging/iio/industrialio-buffer.c:621:8: warning: unused va=
riable =E2=80=98mask=E2=80=99 [-Wunused-variable]
>>>
>>> So I didn't apply it.
>>
>> Actually you did. At least it is in staging-next. Should I resend a =
updated
>> patch or just a patch removing the now unused mask variable.
>=20
> Ugh, you are right, I was messing with my scripts to apply patches at
> the time, and forgot to delete this branch.
>=20
> So, please send a follow-on patch to fix the warning.
>=20
Lars-Peter, have you sent such a patch to Greg?  I'm still seeing this
warning hence the bump! Just wondering if this got lost in amongst
everything else that is going on.