tag	line	file	source code
TTY_OVERRUN	630	drivers/char/cyclades.c	TTY_OVERRUN;
TTY_OVERRUN	557	drivers/char/n_tty.c	case TTY_OVERRUN:
TTY_OVERRUN	395	drivers/char/serial.c	*tty->flip.flag_buf_ptr++ = TTY_OVERRUN;