Commit 26579ab7 authored by Phil Carmody's avatar Phil Carmody Committed by Greg Kroah-Hartman

Driver core: device_attribute parameters can often be const*

Most device_attributes are const, and are begging to be
put in a ro section. However, the create and remove
file interfaces were failing to propagate the const promise
which the only functions they call offer.
Signed-off-by: default avatarPhil Carmody <ext-phil.2.carmody@nokia.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 8e9b9362
......@@ -91,8 +91,8 @@ struct device_attribute {
const char *buf, size_t count);
};
int device_create_file(struct device *, struct device_attribute *);
void device_remove_file(struct device *, struct device_attribute *);
int device_create_file(struct device *, const struct device_attribute *);
void device_remove_file(struct device *, const struct device_attribute *);
It also defines this helper for defining device attributes:
......@@ -316,8 +316,8 @@ DEVICE_ATTR(_name, _mode, _show, _store);
Creation/Removal:
int device_create_file(struct device *device, struct device_attribute * attr);
void device_remove_file(struct device * dev, struct device_attribute * attr);
int device_create_file(struct device *dev, const struct device_attribute * attr);
void device_remove_file(struct device *dev, const struct device_attribute * attr);
- bus drivers (include/linux/device.h)
......
......@@ -446,7 +446,8 @@ struct kset *devices_kset;
* @dev: device.
* @attr: device attribute descriptor.
*/
int device_create_file(struct device *dev, struct device_attribute *attr)
int device_create_file(struct device *dev,
const struct device_attribute *attr)
{
int error = 0;
if (dev)
......@@ -459,7 +460,8 @@ int device_create_file(struct device *dev, struct device_attribute *attr)
* @dev: device.
* @attr: device attribute descriptor.
*/
void device_remove_file(struct device *dev, struct device_attribute *attr)
void device_remove_file(struct device *dev,
const struct device_attribute *attr)
{
if (dev)
sysfs_remove_file(&dev->kobj, &attr->attr);
......
......@@ -319,9 +319,9 @@ struct device_attribute {
struct device_attribute dev_attr_##_name = __ATTR(_name, _mode, _show, _store)
extern int __must_check device_create_file(struct device *device,
struct device_attribute *entry);
const struct device_attribute *entry);
extern void device_remove_file(struct device *dev,
struct device_attribute *attr);
const struct device_attribute *attr);
extern int __must_check device_create_bin_file(struct device *dev,
struct bin_attribute *attr);
extern void device_remove_bin_file(struct device *dev,
......
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