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Commit 25518c68 authored by Peter Hurley's avatar Peter Hurley Committed by Greg Kroah-Hartman
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n_tty: Correct unthrottle-with-buffer-flush comments



The driver is no longer unthrottled on buffer reset, so remove
comments that claim it is.

Signed-off-by: default avatarPeter Hurley <peter@hurleysoftware.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 977066e7
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+5 −8
Original line number Diff line number Diff line
@@ -198,9 +198,8 @@ static void put_tty_queue(unsigned char c, struct n_tty_data *ldata)
 *	reset_buffer_flags	-	reset buffer state
 *	@tty: terminal to reset
 *
 *	Reset the read buffer counters, clear the flags,
 *	and make sure the driver is unthrottled. Called
 *	from n_tty_open() and n_tty_flush_buffer().
 *	Reset the read buffer counters and clear the flags.
 *	Called from n_tty_open() and n_tty_flush_buffer().
 *
 *	Locking: tty_read_lock for read fields.
 */
@@ -239,17 +238,15 @@ static void n_tty_packet_mode_flush(struct tty_struct *tty)
 *	n_tty_flush_buffer	-	clean input queue
 *	@tty:	terminal device
 *
 *	Flush the input buffer. Called when the line discipline is
 *	being closed, when the tty layer wants the buffer flushed (eg
 *	at hangup) or when the N_TTY line discipline internally has to
 *	clean the pending queue (for example some signals).
 *	Flush the input buffer. Called when the tty layer wants the
 *	buffer flushed (eg at hangup) or when the N_TTY line discipline
 *	internally has to clean the pending queue (for example some signals).
 *
 *	Locking: ctrl_lock, read_lock.
 */

static void n_tty_flush_buffer(struct tty_struct *tty)
{
	/* clear everything and unthrottle the driver */
	reset_buffer_flags(tty);

	if (tty->link)