Sarah Sharp wrote: > On Mon, Feb 14, 2011 at 06:39:00PM +0100, Takashi Iwai wrote: > > Clemens Ladisch wrote: > > > There seems to be a race between snd_usb_pcm_close() and > > > snd_usb_stream_disconnect(). I think a mutex taken by both functions > > > should fix this; and all functions that check 'shutdown' probably need > > > serializing. > > > > Or, rather make sure that snd_usb_release_substreams() is finished > > before PCM close; actually it should be called in hw_free callback, > > but currently it's skipped by the shutdown flag check. I guess this > > check isn't right. > > > > The serialization of shutdown check is a good point, but this won't > > hit actual bugs, I suppose. > > Ok. I don't have the audio expertise to make a patch; can you or > Clemens make one for Pierre to try out? I'll try to make a patch until tomorrow. Regards, Clemens -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
