On Fri, May 22, 2020 at 01:22:24PM +0800, dinghao.liu@xxxxxxxxxx wrote: > Sorry, it's my carelessness. In v1 I added pm_runtime_put_autosuspend() > after copy_from_user() to fix this problem. Since copy_from_user() is > moved to the beginning now, we need not to add PM decrement. THat's fine, please put that information in a v3 and resend it. thanks, greg k-h
