[alsa-devel] [PATCH] ASoC: fix 0-day warnings with snd_soc_new_compress()

[Pierre-Louis Bossart]

On 5/30/18 7:22 AM, Takashi Iwai wrote:
> On Wed, 30 May 2018 14:12:00 +0200,
> Pierre-Louis Bossart wrote:
>>
>> On 5/29/18 10:16 PM, Vinod wrote:
>>> On 29-05-18, 18:30, Pierre-Louis Bossart wrote:
>>>> All conditionally-defined routines in include/sound/soc.h expose a
>>>> static inline fallback to avoid 0-day warnings and compilation issues,
>>>> except snd_soc_new_compress().
>>>
>>> Hey Pierre,
>>>
>>> Thanks for the fix, but typically the title should not mention things like
>>> reporter. It should describe the change, so something like "Add
>>> snd_soc_new_compress() wrapper when CONFIG_SND_SOC_COMPRESS is not defined"
>>>
>>> Right now patch title is not describing the change
>>
>> I follow the guidelines in [1] of describing the problem statement,
>> provide details and then how the problem is addressed in the message.
>>
>> It's not clear to me that you need to describe the solution in the title.
>>
>> [1] https://www.kernel.org/doc/html/v4.16/process/submitting-patches.html
> 
> Well, a good patch describes itself concisely but clearly in the
> subject line in general.  And, in this regard, whether it's reported
> by 0-day bot or not is pretty much useless.  We'd merge a fix not
> because 0-day bot complains; instead, we merge it because it addresses
> some real bug.  In this particular case, a build error with
> CONFIG_SND_SOC_COMPRESS=n.  So this should have been mentioned in the
> subject line.

Got it, thanks!

> 
> 
> Takashi
> 
>>>
>>>> Fixes: 5db6aab6f36f ('ASoC: topology: Add support for compressed PCMs')
>>>> Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart at linux.intel.com>
>>>> ---
>>>>    include/sound/soc.h | 5 +++++
>>>>    1 file changed, 5 insertions(+)
>>>>
>>>> diff --git a/include/sound/soc.h b/include/sound/soc.h
>>>> index 600a7ebd10c0..1378dcd2128a 100644
>>>> --- a/include/sound/soc.h
>>>> +++ b/include/sound/soc.h
>>>> @@ -462,6 +462,11 @@ struct snd_soc_component *snd_soc_lookup_component(struct device *dev,
>>>>    int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num);
>>>>    #ifdef CONFIG_SND_SOC_COMPRESS
>>>>    int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num);
>>>> +#else
>>>> +static inline int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num)
>>>> +{
>>>> +	return 0;
>>>> +}
>>>>    #endif
>>>>      void snd_soc_disconnect_sync(struct device *dev);
>>>> -- 
>>>> 2.14.1
>>>
>>