"dsp", S_IWUSR | S_IRUSR); 
"dsp", S_IWUSR | S_IRUSR, NULL); 
int register_sound_dsp(struct file_operations *fops, int dev){	return sound_insert_unit(&chains[3], fops, dev, 3, 131,				 "dsp", S_IWUSR | S_IRUSR);}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/d568121ce3151c36cc4718dd4e977f217c6144c2/sound_core.c/buggy/sound/sound_core.c