On Mon, Mar 01, 2021 at 12:03:00PM +0800, qiang.zhang@xxxxxxxxxxxxx wrote: > From: Zqiang <qiang.zhang@xxxxxxxxxxxxx> > > If usblp device has been disconnected, direct return > 'EPOLLHUP | EPOLLERR' in usblp_poll(). Why? What problem are you solving here? Is this fixing an older commit, if so, what one? Please provide a lot more information here, this is not very descriptive. thanks, greg k-h