From 1c20c81909455f64f2df6107cb099ee5569d9f62 Mon Sep 17 00:00:00 2001
From: Dennis Dalessandro <dennis.dalessandro@intel.com>
Date: Thu, 20 Feb 2014 11:02:48 -0500
Subject: [PATCH] IB/qib: Fix potential buffer overrun in sending diag packet
 routine

Guard against a potential buffer overrun.  Right now the qib driver is
protected by the fact that the data structure in question is only 16
bits.  Should that ever change the problem will be exposed. There is a
similar defect in the ipath driver and this brings the two code paths
into sync.

Reported-by: Nico Golde <nico@ngolde.de>
Reported-by: Fabian Yamaguchi <fabs@goesec.de>
Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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