On Fri, May 22, 2020 at 01:42:35PM +0800, Dinghao Liu wrote: > When copy_from_user() returns an error code, there > is a runtime PM usage counter imbalance. > > Fix this by moving copy_from_user() to the beginning > of this function. > > Signed-off-by: Dinghao Liu <dinghao.liu@xxxxxxxxxx> > --- > > Changelog: > > v2: - Move copy_from_user() to the beginning rather > than adding pm_runtime_put_autosuspend(). > > v3: - Add missing changelog information. Queued for v5.8. Thanks. -Bin.