53 	struct char_device_struct *cd;  in chrdev_show()  local
56 	for (cd = chrdevs[major_to_index(offset)]; cd; cd = cd->next) {  in chrdev_show()
57 		if (cd->major == offset)  in chrdev_show()
58 			seq_printf(f, "%3d %s\n", cd->major, cd->name);  in chrdev_show()
68 	struct char_device_struct *cd;  in find_dynamic_major()  local
77 		for (cd = chrdevs[major_to_index(i)]; cd; cd = cd->next)  in find_dynamic_major()
78 			if (cd->major == i)  in find_dynamic_major()
81 		if (cd == NULL)  in find_dynamic_major()
103 	struct char_device_struct *cd, **cp;  in __register_chrdev_region()  local
107 	cd = kzalloc(sizeof(struct char_device_struct), GFP_KERNEL);  in __register_chrdev_region()
108 	if (cd == NULL)  in __register_chrdev_region()
130 	cd->major = major;  in __register_chrdev_region()
131 	cd->baseminor = baseminor;  in __register_chrdev_region()
132 	cd->minorct = minorct;  in __register_chrdev_region()
133 	strlcpy(cd->name, name, sizeof(cd->name));  in __register_chrdev_region()
170 	cd->next = *cp;  in __register_chrdev_region()
171 	*cp = cd;  in __register_chrdev_region()
173 	return cd;  in __register_chrdev_region()
176 	kfree(cd);  in __register_chrdev_region()
183 	struct char_device_struct *cd = NULL, **cp;  in __unregister_chrdev_region()  local
193 		cd = *cp;  in __unregister_chrdev_region()
194 		*cp = cd->next;  in __unregister_chrdev_region()
197 	return cd;  in __unregister_chrdev_region()
211 	struct char_device_struct *cd;  in register_chrdev_region()  local
219 		cd = __register_chrdev_region(MAJOR(n), MINOR(n),  in register_chrdev_region()
221 		if (IS_ERR(cd))  in register_chrdev_region()
231 	return PTR_ERR(cd);  in register_chrdev_region()
248 	struct char_device_struct *cd;  in alloc_chrdev_region()  local
249 	cd = __register_chrdev_region(0, baseminor, count, name);  in alloc_chrdev_region()
250 	if (IS_ERR(cd))  in alloc_chrdev_region()
251 		return PTR_ERR(cd);  in alloc_chrdev_region()
252 	*dev = MKDEV(cd->major, cd->baseminor);  in alloc_chrdev_region()
281 	struct char_device_struct *cd;  in __register_chrdev()  local
285 	cd = __register_chrdev_region(major, baseminor, count, name);  in __register_chrdev()
286 	if (IS_ERR(cd))  in __register_chrdev()
287 		return PTR_ERR(cd);  in __register_chrdev()
297 	err = cdev_add(cdev, MKDEV(cd->major, baseminor), count);  in __register_chrdev()
301 	cd->cdev = cdev;  in __register_chrdev()
303 	return major ? 0 : cd->major;  in __register_chrdev()
307 	kfree(__unregister_chrdev_region(cd->major, baseminor, count));  in __register_chrdev()
347 	struct char_device_struct *cd;  in __unregister_chrdev()  local
349 	cd = __unregister_chrdev_region(major, baseminor, count);  in __unregister_chrdev()
350 	if (cd && cd->cdev)  in __unregister_chrdev()
351 		cdev_del(cd->cdev);  in __unregister_chrdev()
352 	kfree(cd);  in __unregister_chrdev()