Re: [alsa-devel] [PATCH] ASoC: soc-compress: Cancel delayed power down if needed

On Fri, Jan 25, 2013 at 03:38:19PM +0000, Charles Keepax wrote:

• /* cancel any delayed stream shutdown that is pending */
• if (codec_dai->pop_wait) {

• codec_dai->pop_wait = 0;
  

• cancel_delayed_work(&rtd->delayed_work);
  

• }

This looks racy - the check for pop_wait can't be doing a huge amount here, the work might already have been scheduled.