commit 5d42b0fa upstream.

ACPICA BZ 1077. David Binderman.

References: https://bugs.acpica.org/show_bug.cgi?id=1077Signed-off-by: David Binderman <dcb314@hotmail.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>