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Groups > linux.kernel > #1305840

[PATCH v2 2/9] n_tty: Ignore all read data when closing

From Peter Hurley <peter@hurleysoftware.com>
Newsgroups linux.kernel
Subject [PATCH v2 2/9] n_tty: Ignore all read data when closing
Date 2016-01-11 05:40 +0100
Message-ID <qPCqU-5KZ-63@gated-at.bofh.it> (permalink)
References <qPCqS-5KZ-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On final port close (and thus final tty close), only output flow
control requests in the input data should be processed. Ignore all
other input data, including parity errors, overruns and breaks.

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
---
 drivers/tty/n_tty.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c
index fad365a..fb76a7d 100644
--- a/drivers/tty/n_tty.c
+++ b/drivers/tty/n_tty.c
@@ -1524,8 +1524,6 @@ n_tty_receive_buf_closing(struct tty_struct *tty, const unsigned char *cp,
 			flag = *fp++;
 		if (likely(flag == TTY_NORMAL))
 			n_tty_receive_char_closing(tty, *cp++);
-		else
-			n_tty_receive_char_flagged(tty, *cp++, flag);
 	}
 }
 
-- 
2.7.0

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Thread

[PATCH v2 0/9] Misc tty fixes & cleanups Peter Hurley <peter@hurleysoftware.com> - 2016-01-11 05:40 +0100
  [PATCH v2 5/9] tty: Fix GPF in flush_to_ldisc(), part 2 Peter Hurley <peter@hurleysoftware.com> - 2016-01-11 05:40 +0100
  [PATCH v2 9/9] tty: Use test_bit() with tty->flags Peter Hurley <peter@hurleysoftware.com> - 2016-01-11 05:40 +0100
  [PATCH v2 1/9] tty: rocket: Remove private close_wait Peter Hurley <peter@hurleysoftware.com> - 2016-01-11 05:40 +0100
  [PATCH v2 6/9] tty: Unify receive_buf() code paths Peter Hurley <peter@hurleysoftware.com> - 2016-01-11 05:40 +0100
  [PATCH v2 3/9] ia64: Pin controlling tty for unaligned fault message Peter Hurley <peter@hurleysoftware.com> - 2016-01-11 05:40 +0100
  [PATCH v2 8/9] tty: Use termios c_*flag macros Peter Hurley <peter@hurleysoftware.com> - 2016-01-11 05:40 +0100
  [PATCH v2 2/9] n_tty: Ignore all read data when closing Peter Hurley <peter@hurleysoftware.com> - 2016-01-11 05:40 +0100

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