From 5326a4ee982703ddba14a9821fe5cb10d122e1b0 Mon Sep 17 00:00:00 2001
From: Peter Hurley <peter@hurleysoftware.com>
Date: Sun, 9 Feb 2014 20:59:21 -0500
Subject: [PATCH] Bluetooth: Force -EIO from tty read/write if .activate()
 fails

If rfcomm_dlc_open() fails, set tty into error state which returns
-EIO from reads and writes.

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Tested-By: Alexander Holler <holler@ahsoftware.de>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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Reading git-format-patch failed