On Tue, 19 Dec 2017 07:42:20 -0800 Xiao Wang <xiao.w.w...@intel.com> wrote:
> + atomic_dec(&udev->refcnt); > + if (atomic_read(&udev->refcnt) > 0) > + return 0; > + The point of using atomic functions is to do atomic operations. You need to use atomic_dec_and_test here.
