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[PATCH 2/4] n_tty: Ignore all read data when closing

From Peter Hurley <peter@hurleysoftware.com>
Newsgroups linux.kernel
Subject [PATCH 2/4] n_tty: Ignore all read data when closing
Date 2015-11-08 23:10 +0100
Message-ID <qsGjU-5WC-3@gated-at.bofh.it> (permalink)
References <qsGjU-5WC-5@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 bc613b8..2de0283 100644
--- a/drivers/tty/n_tty.c
+++ b/drivers/tty/n_tty.c
@@ -1564,8 +1564,6 @@ 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);
 	}
 }
 
-- 
2.6.3

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[PATCH 2/4] n_tty: Ignore all read data when closing Peter Hurley <peter@hurleysoftware.com> - 2015-11-08 23:10 +0100

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