On Sun, Jul 05, 2020 at 08:40:27PM +0800, qiang.zhang@xxxxxxxxxxxxx wrote: > From: Zhang Qiang <qiang.zhang@xxxxxxxxxxxxx> > > Add a missing spinlock protection for play_queue, because > the play_queue may be destroyed when the "playback_work" > work func and "f_audio_out_ep_complete" callback func > operate this paly_queue at the same time. "play_queue", right? > > Cc: stable <stable@xxxxxxxxxxxxxxx> > Signed-off-by: Zhang Qiang <qiang.zhang@xxxxxxxxxxxxx> Because you do not have a Fixes: tag in here, how far back do you want the stable patch to go to? That's why, if you can, it's always good to have a "Fixes:" tag in there to show what commit caused the problem you are fixing here. So, what commit caused this? thanks, gre gk-h