spin_unlock(&current->files->file_lock); 
rcu_read_unlock(); 
static struct tty_struct *get_tty(int fd){	struct file *filp;	struct tty_struct *ttyp = NULL;	spin_lock(&current->files->file_lock);	filp = fcheck(fd);	if(filp && filp->private_data) {		ttyp = (struct tty_struct *) filp->private_data;		if(ttyp->magic != TTY_MAGIC)			ttyp =NULL;	}	spin_unlock(&current->files->file_lock);	return ttyp;}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/b835996f628eadb55c5fb222ba46fe9395bf73c7/irixioctl.c/clean/arch/mips/kernel/irixioctl.c