UPSTREAM: HID: playstation: Fix unused variable in ps_battery_get_property

The ret variable in ps_battery_get_property is set in an error path,
but never actually returned. Change this function to return ret.

Bug: 167947264
CRs-fixed: 2971837
Change-Id: Ieeaff4d249a6ee6d02eb4746f9fe502c91c6f40a
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Roderick Colenbrander <roderick.colenbrander@sony.com>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Farid Chahla <farid.chahla@sony.com>
Signed-off-by: Siarhei Vishniakou <svv@google.com>
Git-repo: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git


Git-commit: 5fb52551248f54ddc8f72bc252661468b603cfcc
Signed-off-by: Kishor Krishna Bhat <kishkris@codeaurora.org>