The device_type structure does not contain data that changes
during usage and should be const. This allows devices to declare
the struct const.
I have patches to change all the subsystems, but need the infra
structure change first.
Signed-off-by: Stephen Hemminger <[email protected]>
---
drivers/base/core.c | 4 ++--
include/linux/device.h | 2 +-
2 files changed, 3 insertions(+), 3 deletions(-)
--- a/drivers/base/core.c 2011-03-28 08:48:43.380836767 -0700
+++ b/drivers/base/core.c 2011-03-28 08:48:46.228868558 -0700
@@ -400,7 +400,7 @@ static void device_remove_groups(struct
static int device_add_attrs(struct device *dev)
{
struct class *class = dev->class;
- struct device_type *type = dev->type;
+ const struct device_type *type = dev->type;
int error;
if (class) {
@@ -440,7 +440,7 @@ static int device_add_attrs(struct devic
static void device_remove_attrs(struct device *dev)
{
struct class *class = dev->class;
- struct device_type *type = dev->type;
+ const struct device_type *type = dev->type;
device_remove_groups(dev, dev->groups);
--- a/include/linux/device.h 2011-03-28 08:48:43.392836902 -0700
+++ b/include/linux/device.h 2011-03-28 08:48:46.228868558 -0700
@@ -408,7 +408,7 @@ struct device {
struct kobject kobj;
const char *init_name; /* initial name of the device */
- struct device_type *type;
+ const struct device_type *type;
struct mutex mutex; /* mutex to synchronize calls to
* its driver.