On Sat, Jun 08, 2013 at 04:34:02PM +0800, Qiao Zhou wrote:

This call back only takes substream as parameter. In case that a wrong/fake interrupt of other drivers triggers this call back, like a careless/bad design, then it panics in audio driver. Can we add such checking and give a warning log rather than to let the system die directly. Could you consider it?

Why not fix the problem in the paths that do the teardown instead?