[PATCH v2] ALSA: jack: Access input_dev under mutex

[Cezary Rojewski]

On 2022-04-12 11:44 AM, Takashi Iwai wrote:
> On Tue, 12 Apr 2022 11:16:28 +0200,
> Amadeusz Sławiński wrote:
>>
>> It is possible when using ASoC that input_dev is unregistered while
>> calling snd_jack_report, which causes NULL pointer dereference.
>> In order to prevent this serialize access to input_dev using mutex lock.
>>
>> Signed-off-by: Amadeusz Sławiński <amadeuszx.slawinski at linux.intel.com>
>> ---
>>
>> Changes:
>> v2:
>>   - drop mutex in snd_jack_new
>>   - add comment that snd_jack_report() should be called in context where
>>     it can sleep
> 
> Thanks, applied now.

If you would be needing a reviewed-by-tag, you can safely apply my (it's 
missing in v2 sent by Amadeo).

For transparency:

Reviewed-by: Cezary Rojewski <cezary.rojewski at intel.com>


Regards,
Czarek