diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c
index 76bf6d90c700efac7905d6167680915ca50e1498..f2a76acecfcd45383432adbfd41c52775e12a3f2 100644
--- a/drivers/acpi/power.c
+++ b/drivers/acpi/power.c
@@ -121,7 +121,7 @@ acpi_power_get_context(acpi_handle handle,
 	}
 
 	*resource = acpi_driver_data(device);
-	if (!resource)
+	if (!*resource)
 		return -ENODEV;
 
 	return 0;