ACPI/PNP: A HID value of an object never changes -> make it const

Signed-off-by: Thomas Renninger <trenn@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>

1 files changed, 2 insertions, 3 deletions

diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 81aec8d66fd0..6155eeb2e89a 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -26,8 +26,7 @@ extern struct acpi_device *acpi_root;
 
 #define ACPI_IS_ROOT_DEVICE(device)    (!(device)->parent)
 
-/* Should be const */
-static char* dummy_hid = "device";
+static const char *dummy_hid = "device";
 
 static LIST_HEAD(acpi_device_list);
 static LIST_HEAD(acpi_bus_id_list);
@@ -1021,7 +1020,7 @@ static int acpi_dock_match(struct acpi_device *device)
         return acpi_get_handle(device->handle, "_DCK", &tmp);
 }
 
-char *acpi_device_hid(struct acpi_device *device)
+const char *acpi_device_hid(struct acpi_device *device)
 {
         struct acpi_hardware_id *hid;