The returned error should be negative
Signed-off-by: NRoel Kluin <roel.kluin@gmail.com>
Acked-by: NHenrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Cc: <stable@kernel.org>
Signed-off-by: NLen Brown <len.brown@intel.com>