ACPICA: Fix possible memory leaks in the GPE handling.

This change fixes potential memory leaks in the error paths of the GPE
handling code. Lv Zheng.

Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
diff --git a/drivers/acpi/acpica/evgpe.c b/drivers/acpi/acpica/evgpe.c
index c8a1f7d..1979a25 100644
--- a/drivers/acpi/acpica/evgpe.c
+++ b/drivers/acpi/acpica/evgpe.c
@@ -522,6 +522,7 @@
 
 	status = acpi_ut_release_mutex(ACPI_MTX_EVENTS);
 	if (ACPI_FAILURE(status)) {
+		ACPI_FREE(local_gpe_event_info);
 		return_VOID;
 	}