From: Johan Hovold <johan@kernel.org>
Date: Tue, 31 Jan 2017 16:17:28 +0000 (+0100)
Subject: USB: serial: digi_acceleport: fix incomplete rx sanity check
X-Git-Tag: v3.2.89~69
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0ec745967dbf486a05082f67e67910afa3a9d319;p=pandora-kernel.git

USB: serial: digi_acceleport: fix incomplete rx sanity check

commit 1b0aed2b1600f6e5c7b9acfbd610a4e351ef5232 upstream.

Make sure the received data has the required headers before parsing it.

Also drop the redundant urb-status check, which has already been handled
by the caller.

Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
[bwh: Backported to 3.2: adjust context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---

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