Sean Young<sean@xxxxxxxx> wrote: > Hi, > > On Sun, Jan 05, 2025 at 06:01:01PM +0800, Ma Ke wrote: > > When cdev_device_add() failed, calling put_device() to explicitly > > release dev->lirc_dev. Otherwise, it could cause the fault of the > > reference count. > > > > Found by code review. > > Interesting find, thanks for finding and reporting. > > So I think the idea is right, but there is a problem. lirc_release_device() > will do a put_device() on the rcdev, but no corresponding get_device() is > done in this code path. > > > Sean Thank you for your reply and suggestions. Following your instructions, I took a close look at the code. Perhaps you meant to suggest removing the put_device() call from lirc_release_device(), effectively making lirc_release_device() an empty function? Looking forward to your reply. -- Regards, Ma Ke