int ret = 0;
int i;
- cd = kmalloc(sizeof(struct char_device_struct), GFP_KERNEL);
+ cd = kzalloc(sizeof(struct char_device_struct), GFP_KERNEL);
if (cd == NULL)
return ERR_PTR(-ENOMEM);
- memset(cd, 0, sizeof(struct char_device_struct));
-
mutex_lock(&chrdevs_lock);
/* temporary */
}
int register_chrdev(unsigned int major, const char *name,
- struct file_operations *fops)
+ const struct file_operations *fops)
{
struct char_device_struct *cd;
struct cdev *cdev;
* is contain the open that then fills in the correct operations
* depending on the special file...
*/
-struct file_operations def_chr_fops = {
+const struct file_operations def_chr_fops = {
.open = chrdev_open,
};
struct cdev *cdev_alloc(void)
{
- struct cdev *p = kmalloc(sizeof(struct cdev), GFP_KERNEL);
+ struct cdev *p = kzalloc(sizeof(struct cdev), GFP_KERNEL);
if (p) {
- memset(p, 0, sizeof(struct cdev));
p->kobj.ktype = &ktype_cdev_dynamic;
INIT_LIST_HEAD(&p->list);
kobject_init(&p->kobj);
return p;
}
-void cdev_init(struct cdev *cdev, struct file_operations *fops)
+void cdev_init(struct cdev *cdev, const struct file_operations *fops)
{
memset(cdev, 0, sizeof *cdev);
INIT_LIST_HEAD(&cdev->list);