diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index ef42316f89f5..523ac5b229a5 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -736,7 +736,7 @@ static acpi_status
 ec_parse_device(acpi_handle handle, u32 Level, void *context, void **retval)
 {
 	acpi_status status;
-	unsigned long long tmp;
+	unsigned long long tmp = 0;
 
 	struct acpi_ec *ec = context;
 	status = acpi_walk_resources(handle, METHOD_NAME__CRS,
@@ -751,6 +751,7 @@ ec_parse_device(acpi_handle handle, u32 Level, void *context, void **retval)
 		return status;
 	ec->gpe = tmp;
 	/* Use the global lock for all EC transactions? */
+	tmp = 0;
 	acpi_evaluate_integer(handle, "_GLK", NULL, &tmp);
 	ec->global_lock = tmp;
 	ec->handle = handle;