From 93a8d4163ecd3fd8aac264707f1d497f193ea88d Mon Sep 17 00:00:00 2001
From: Peter Hurley <peter@hurleysoftware.com>
Date: Tue, 17 Sep 2013 12:34:14 -0400
Subject: [PATCH] n_tty: Fix EOF push index when termios changes

Commit 40d5e0905a03601d40cd4e46b8690093c2355d03,
'n_tty: Fix EOF push handling' introduced a subtle state
change error wrt EOF push handling when the termios is
changed from non-canonical to canonical mode.

Reset line_start to the current read_tail index, not 0.

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Reading git-format-patch failed