From: Peter Hurley <peter@hurleysoftware.com>
Date: Mon, 10 Feb 2014 01:59:10 +0000 (-0500)
Subject: Bluetooth: Verify dlci not in use before rfcomm_dev create
X-Git-Tag: v3.15-rc1~113^2~159^2^2~130^2~64
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c10a848cea89a8f0418fa0efec33c4e8507aab4b;p=pandora-kernel.git

Bluetooth: Verify dlci not in use before rfcomm_dev create

Only one session/channel combination may be in use at any one
time. However, the failure does not occur until the tty is
opened (in rfcomm_dlc_open()).

Because these settings are actually bound at rfcomm device
creation (via RFCOMMCREATEDEV ioctl), validate and fail before
creating the rfcomm tty device.

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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