diff --git a/drivers/acpi/sbs.c b/drivers/acpi/sbs.c
index db7b350..62bef0b 100644
--- a/drivers/acpi/sbs.c
+++ b/drivers/acpi/sbs.c
@@ -1714,6 +1714,9 @@
 {
 	int result = 0;
 
+	if (acpi_disabled)
+		return -ENODEV;
+
 	init_MUTEX(&sbs_sem);
 
 	if (capacity_mode != DEF_CAPACITY_UNIT