Re: [alsa-devel] [PATCH -next] ASoC: Intel: Haswell: Remove set but not used variable 'stage_type'

From: YueHaibing
Date: Wed Apr 17 2019 - 21:25:32 EST


On 2019/4/18 1:41, Pierre-Louis Bossart wrote:
> On 4/17/19 10:11 AM, Yue Haibing wrote:
>> From: YueHaibing <yuehaibing@xxxxxxxxxx>
>>
>> Fixes gcc '-Wunused-but-set-variable' warning:
>>
>> sound/soc/intel/haswell/sst-haswell-ipc.c: In function 'hsw_stream_message':
>> sound/soc/intel/haswell/sst-haswell-ipc.c:669:29: warning: variable 'stage_type' set but not used [-Wunused-but-set-variable]
>>
>> It is never used since introduction in
>> commit ba57f68235cf ("ASoC: Intel: create haswell folder and move haswell platform files in")
>
> Thanks for the patch.
>
> I think you could go further in the cleanup and remove both the variable declaration and the static inline mst_get_stage_type that will also be useless as a consequence of this assignment removal.

You are right.
>
> Care to send a v2?

Sure, will do that,thanks!
>
>>
>> Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>
>> ---
>> sound/soc/intel/haswell/sst-haswell-ipc.c | 1 -
>> 1 file changed, 1 deletion(-)
>>
>> diff --git a/sound/soc/intel/haswell/sst-haswell-ipc.c b/sound/soc/intel/haswell/sst-haswell-ipc.c
>> index 31fcdf12..4d3de99 100644
>> --- a/sound/soc/intel/haswell/sst-haswell-ipc.c
>> +++ b/sound/soc/intel/haswell/sst-haswell-ipc.c
>> @@ -672,7 +672,6 @@ static int hsw_stream_message(struct sst_hsw *hsw, u32 header)
>> stream_msg = msg_get_stream_type(header);
>> stream_id = msg_get_stream_id(header);
>> - stage_type = msg_get_stage_type(header);
>> stream = get_stream_by_id(hsw, stream_id);
>> if (stream == NULL)
>>
>
>
> .
>