[alsa-devel] error in snd_pcm_drain()

[Takashi Iwai]

At Thu, 05 Jul 2007 19:37:41 +1200,
Eliot Blennerhassett wrote:
> 
> Maybe an error in snd_pcm_drain - not sure what effect it might have...
> 	
> snd_pcm_group_for_each_entry(s, substream) {
> 		runtime = s->runtime;
> ...
> 	}
> 	up_read(&snd_pcm_link_rwsem);
> 	snd_pcm_stream_lock_irq(substream);
> 
> /* pcm_native.c around line 1491: */
> /* error? runtime has been changed by group_for_each 
> should use substream->runtime instead?
> */

Maybe a bit safer, but in the end it's same because the status of
linked streams should be identical.


Takashi

> 
> 	/* resume pause */
> 	if (runtime->status->state == SNDRV_PCM_STATE_PAUSED)
> 		snd_pcm_pause(substream, 0);
> 
> 
> --
> Eliot
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