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Message-Id: <1371302076-4688-16-git-send-email-peter@hurleysoftware.com> Date: Sat, 15 Jun 2013 09:14:27 -0400 From: Peter Hurley <peter@...leysoftware.com> To: Greg Kroah-Hartman <gregkh@...uxfoundation.org> Cc: linux-kernel@...r.kernel.org, linux-serial@...r.kernel.org, Jiri Slaby <jslaby@...e.cz>, Peter Hurley <peter@...leysoftware.com> Subject: [PATCH v4 15/24] n_tty: Reset lnext if canonical mode changes lnext escapes the next input character as a literal, and must be reset when canonical mode changes (to avoid misinterpreting a special character as a literal if canonical mode is changed back again). lnext is specifically not reset on a buffer flush so as to avoid misinterpreting the next input character as a special character. Signed-off-by: Peter Hurley <peter@...leysoftware.com> --- drivers/tty/n_tty.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c index c7f71cb..e63beab 100644 --- a/drivers/tty/n_tty.c +++ b/drivers/tty/n_tty.c @@ -1574,6 +1574,7 @@ static void n_tty_set_termios(struct tty_struct *tty, struct ktermios *old) bitmap_zero(ldata->read_flags, N_TTY_BUF_SIZE); ldata->canon_head = ldata->read_tail; ldata->erasing = 0; + ldata->lnext = 0; } if (canon_change && !L_ICANON(tty) && read_cnt(ldata)) -- 1.8.1.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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