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-rw-r--r--drivers/acpi/sleep.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c
index 9c1a435d10e6..187ab61889e6 100644
--- a/drivers/acpi/sleep.c
+++ b/drivers/acpi/sleep.c
@@ -494,6 +494,8 @@ static int acpi_suspend_enter(suspend_state_t pm_state)
break;
case ACPI_STATE_S3:
+ if (!acpi_suspend_lowlevel)
+ return -ENOSYS;
error = acpi_suspend_lowlevel();
if (error)
return error;
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