On Tue, Jan 08, 2019 at 11:42:09AM +0000, fdman...@kernel.org wrote: > From: Filipe Manana <fdman...@suse.com> > > If the call to btrfs_dev_replace_by_ioctl() failed we would overwrite the > error returned to user space with -EFAULT if the call to copy_to_user() > failed as well. Fix that by calling copy_to_user() only if no error > happened before or a device replace operation was canceled. > > Signed-off-by: Filipe Manana <fdman...@suse.com>
Reviewed-by: David Sterba <dste...@suse.com>
