From: Dean Jenkins <Dean_Jenkins@mentor.com>
Date: Tue, 23 Jun 2015 16:59:39 +0000 (+0100)
Subject: Bluetooth: __l2cap_wait_ack() add defensive timeout
X-Git-Tag: omap-for-v4.3/fixes-rc1~110^2~258^2~17
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e432c72c464d2deb6c66d1e2a5f548dc1f0ef4dc;p=pandora-kernel.git

Bluetooth: __l2cap_wait_ack() add defensive timeout

Add a timeout to prevent the do while loop running in an
infinite loop. This ensures that the channel will be
instructed to close within 10 seconds so prevents
l2cap_sock_shutdown() getting stuck forever.

Returns -ENOLINK when the timeout is reached. The channel
will be subequently closed and not all data will be ACK'ed.

Signed-off-by: Dean Jenkins <Dean_Jenkins@mentor.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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