Commit c476f658 authored by Roel Kluin's avatar Roel Kluin Committed by Greg Kroah-Hartman
Browse files

tty: incorrect test of echo_buf() result for ECHO_OP_START 



test echo_buf() result for ECHO_OP_START

Signed-off-by: default avatarRoel Kluin <roel.kluin@gmail.com>
Acked-by: default avatarPeter Hurley <peter@hurleysoftware.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent fc811472

drivers/tty/n_tty.c

+1 −1
Original line number Diff line number Diff line
@@ -767,7 +767,7 @@ static size_t __process_echoes(struct tty_struct *tty) 
	 * of echo overrun before the next commit), then discard enough

	 * data at the tail to prevent a subsequent overrun */

	while (ldata->echo_commit - tail >= ECHO_DISCARD_WATERMARK) {

		if (echo_buf(ldata, tail == ECHO_OP_START)) {

		if (echo_buf(ldata, tail) == ECHO_OP_START) {

			if (echo_buf(ldata, tail) == ECHO_OP_ERASE_TAB)

				tail += 3;

			else