mem_class         940 drivers/char/mem.c static struct class *mem_class;
mem_class         949 drivers/char/mem.c 	mem_class = class_create(THIS_MODULE, "mem");
mem_class         950 drivers/char/mem.c 	if (IS_ERR(mem_class))
mem_class         951 drivers/char/mem.c 		return PTR_ERR(mem_class);
mem_class         953 drivers/char/mem.c 	mem_class->devnode = mem_devnode;
mem_class         964 drivers/char/mem.c 		device_create(mem_class, NULL, MKDEV(MEM_MAJOR, minor),