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authorThomas Renninger <trenn@suse.de>2010-10-01 10:54:00 +0200
committerLen Brown <len.brown@intel.com>2010-10-01 19:28:51 -0400
commit620e112cfe1c9281c176de8ad1a7691c4eb4950d (patch)
treeb7a2b5b389396ac1b90f7d586af568044df7804f /drivers/acpi
parent2b2ae7c7f8e25043793042eb9df88aa875b4cff8 (diff)
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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>
Diffstat (limited to 'drivers/acpi')
-rw-r--r--drivers/acpi/button.c4
-rw-r--r--drivers/acpi/scan.c5
2 files changed, 4 insertions, 5 deletions
diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c
index 1575a9b..71ef9cd 100644
--- a/drivers/acpi/button.c
+++ b/drivers/acpi/button.c
@@ -338,7 +338,8 @@ static int acpi_button_add(struct acpi_device *device)
{
struct acpi_button *button;
struct input_dev *input;
- char *hid, *name, *class;
+ const char *hid = acpi_device_hid(device);
+ char *name, *class;
int error;
button = kzalloc(sizeof(struct acpi_button), GFP_KERNEL);
@@ -353,7 +354,6 @@ static int acpi_button_add(struct acpi_device *device)
goto err_free_button;
}
- hid = acpi_device_hid(device);
name = acpi_device_name(device);
class = acpi_device_class(device);
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 81aec8d..6155eeb 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;