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

From Peter Hurley <peter@hurleysoftware.com>
Newsgroups linux.kernel
Subject [PATCH 2/9] n_tty: Ignore all read data when closing
Date 2016-01-10 23:50 +0100
Message-ID <qPwYa-1VJ-21@gated-at.bofh.it> (permalink)
References <qPwY9-1VJ-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 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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[PATCH 2/9] n_tty: Ignore all read data when closing Peter Hurley <peter@hurleysoftware.com> - 2016-01-10 23:50 +0100

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