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()
164 	cd->next = *cp;  in __register_chrdev_region()
165 	*cp = cd;  in __register_chrdev_region()
167 	return cd;  in __register_chrdev_region()
170 	kfree(cd);  in __register_chrdev_region()
177 	struct char_device_struct *cd = NULL, **cp;  in __unregister_chrdev_region()  local
187 		cd = *cp;  in __unregister_chrdev_region()
188 		*cp = cd->next;  in __unregister_chrdev_region()
191 	return cd;  in __unregister_chrdev_region()
205 	struct char_device_struct *cd;  in register_chrdev_region()  local
213 		cd = __register_chrdev_region(MAJOR(n), MINOR(n),  in register_chrdev_region()
215 		if (IS_ERR(cd))  in register_chrdev_region()
225 	return PTR_ERR(cd);  in register_chrdev_region()
242 	struct char_device_struct *cd;  in alloc_chrdev_region()  local
243 	cd = __register_chrdev_region(0, baseminor, count, name);  in alloc_chrdev_region()
244 	if (IS_ERR(cd))  in alloc_chrdev_region()
245 		return PTR_ERR(cd);  in alloc_chrdev_region()
246 	*dev = MKDEV(cd->major, cd->baseminor);  in alloc_chrdev_region()
275 	struct char_device_struct *cd;  in __register_chrdev()  local
279 	cd = __register_chrdev_region(major, baseminor, count, name);  in __register_chrdev()
280 	if (IS_ERR(cd))  in __register_chrdev()
281 		return PTR_ERR(cd);  in __register_chrdev()
291 	err = cdev_add(cdev, MKDEV(cd->major, baseminor), count);  in __register_chrdev()
295 	cd->cdev = cdev;  in __register_chrdev()
297 	return major ? 0 : cd->major;  in __register_chrdev()
301 	kfree(__unregister_chrdev_region(cd->major, baseminor, count));  in __register_chrdev()
341 	struct char_device_struct *cd;  in __unregister_chrdev()  local
343 	cd = __unregister_chrdev_region(major, baseminor, count);  in __unregister_chrdev()
344 	if (cd && cd->cdev)  in __unregister_chrdev()
345 		cdev_del(cd->cdev);  in __unregister_chrdev()
346 	kfree(cd);  in __unregister_chrdev()