sound_class = class_simple_create(THIS_MODULE, "sound"); 
sound_class = class_create(THIS_MODULE, "sound"); 
static int __init init_soundcore(void){	if (register_chrdev(SOUND_MAJOR, "sound", &soundcore_fops)==-1) {		printk(KERN_ERR "soundcore: sound device already in use.\n");		return -EBUSY;	}	devfs_mk_dir ("sound");	sound_class = class_simple_create(THIS_MODULE, "sound");	if (IS_ERR(sound_class))		return PTR_ERR(sound_class);	return 0;}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/619e666b7e9d2b0545ab60a9c824ae5f77c20c3b/sound_core.c/clean/sound/sound_core.c