54 	struct char_device_struct *cd;  in chrdev_show()  local
57 	for (cd = chrdevs[major_to_index(offset)]; cd; cd = cd->next) {  in chrdev_show()
58 		if (cd->major == offset)  in chrdev_show()
59 			seq_printf(f, "%3d %s\n", cd->major, cd->name);  in chrdev_show()
69 	struct char_device_struct *cd;  in find_dynamic_major()  local
78 		for (cd = chrdevs[major_to_index(i)]; cd; cd = cd->next)  in find_dynamic_major()
79 			if (cd->major == i)  in find_dynamic_major()
82 		if (cd == NULL)  in find_dynamic_major()
101 	struct char_device_struct *cd __free(kfree) = NULL;  in __register_chrdev_region()
118 	cd = kzalloc_obj(struct char_device_struct);  in __register_chrdev_region()
119 	if (cd == NULL)  in __register_chrdev_region()
152 	cd->major = major;  in __register_chrdev_region()
153 	cd->baseminor = baseminor;  in __register_chrdev_region()
154 	cd->minorct = minorct;  in __register_chrdev_region()
155 	strscpy(cd->name, name, sizeof(cd->name));  in __register_chrdev_region()
158 		cd->next = curr;  in __register_chrdev_region()
159 		chrdevs[i] = cd;  in __register_chrdev_region()
161 		cd->next = prev->next;  in __register_chrdev_region()
162 		prev->next = cd;  in __register_chrdev_region()
165 	return_ptr(cd);  in __register_chrdev_region()
171 	struct char_device_struct *cd = NULL, **cp;  in __unregister_chrdev_region()  local
181 		cd = *cp;  in __unregister_chrdev_region()
182 		*cp = cd->next;  in __unregister_chrdev_region()
185 	return cd;  in __unregister_chrdev_region()
199 	struct char_device_struct *cd;  in register_chrdev_region()  local
207 		cd = __register_chrdev_region(MAJOR(n), MINOR(n),  in register_chrdev_region()
209 		if (IS_ERR(cd))  in register_chrdev_region()
219 	return PTR_ERR(cd);  in register_chrdev_region()
236 	struct char_device_struct *cd;  in alloc_chrdev_region()  local
237 	cd = __register_chrdev_region(0, baseminor, count, name);  in alloc_chrdev_region()
238 	if (IS_ERR(cd))  in alloc_chrdev_region()
239 		return PTR_ERR(cd);  in alloc_chrdev_region()
240 	*dev = MKDEV(cd->major, cd->baseminor);  in alloc_chrdev_region()
269 	struct char_device_struct *cd;  in __register_chrdev()  local
273 	cd = __register_chrdev_region(major, baseminor, count, name);  in __register_chrdev()
274 	if (IS_ERR(cd))  in __register_chrdev()
275 		return PTR_ERR(cd);  in __register_chrdev()
285 	err = cdev_add(cdev, MKDEV(cd->major, baseminor), count);  in __register_chrdev()
289 	cd->cdev = cdev;  in __register_chrdev()
291 	return major ? 0 : cd->major;  in __register_chrdev()
295 	kfree(__unregister_chrdev_region(cd->major, baseminor, count));  in __register_chrdev()
335 	struct char_device_struct *cd;  in __unregister_chrdev()  local
337 	cd = __unregister_chrdev_region(major, baseminor, count);  in __unregister_chrdev()
338 	if (cd && cd->cdev)  in __unregister_chrdev()
339 		cdev_del(cd->cdev);  in __unregister_chrdev()
340 	kfree(cd);  in __unregister_chrdev()