#include <linux/string.h>
#include <linux/module.h>
#include <linux/stat.h>
+#include <linux/slab.h>
/**
* populate_dir - populate directory with attributes.
* Add 1 to strlen for leading '/' of each level.
*/
do {
+ if (kobject_name(parent) == NULL)
+ return 0;
length += strlen(kobject_name(parent)) + 1;
parent = parent->parent;
} while (parent);
* @kobj: kobject in question, with which to build the path
* @gfp_mask: the allocation type used to allocate the path
*/
-char *kobject_get_path(struct kobject *kobj, int gfp_mask)
+char *kobject_get_path(struct kobject *kobj, gfp_t gfp_mask)
{
char *path;
int len;
len = get_kobj_path_length(kobj);
+ if (len == 0)
+ return NULL;
path = kmalloc(len, gfp_mask);
if (!path)
return NULL;
return -ENOENT;
if (!kobj->k_name)
kobj->k_name = kobj->name;
+ if (!kobj->k_name) {
+ pr_debug("kobject attempted to be registered with no name!\n");
+ WARN_ON(1);
+ return -EINVAL;
+ }
parent = kobject_get(kobj->parent);
pr_debug("kobject %s: registering. parent: %s, set: %s\n",
kobject_name(kobj),error);
dump_stack();
} else
- kobject_hotplug(kobj, KOBJ_ADD);
+ kobject_uevent(kobj, KOBJ_ADD);
} else
error = -EINVAL;
return error;
void kobject_unregister(struct kobject * kobj)
{
pr_debug("kobject %s: unregistering\n",kobject_name(kobj));
- kobject_hotplug(kobj, KOBJ_REMOVE);
+ kobject_uevent(kobj, KOBJ_REMOVE);
kobject_del(kobj);
kobject_put(kobj);
}