On 9/8/21 9:46 PM, Zenghui Yu wrote: > We use device_initialize() to take refcount for the device but forget to > put_device() on device teardown, which ends up leaking private data of the > driver core, dev_name(), etc. This is reported by kmemleak at boot time if > we compile kernel with DEBUG_TEST_DRIVER_REMOVE. > > Note that adding the missing put_device() is _not_ sufficient to fix device > unregistration. As we don't provide the .release() method for device, which > turned out to be typically wrong and will be complained loudly by the > driver core. > > Fix both of them. Applied, thanks. -- Jens Axboe