Re: [alsa-devel] [PATCH] ALSA: pcm: Return 0 when size < start_threshold in capture

On Tue, 21 Aug 2018 21:46:43 +0200, Ricardo Biehl Pasquali wrote:

In __snd_pcm_lib_xfer(), when capture, if state is PREPARED and size is less than start_threshold nothing can be done. As there is no error, 0 is returned.

Am I missing something?

Not really :) It's just an undefined behavior, so far, and yes, the suggested behavior makes more sense.

Could you resubmit a proper patch for merging? Please follow Documentation/process/submitting-patches.rst.

thanks,

Takashi