From e511d1ae16745baca1e6d807c5b963716e8bdd01 Mon Sep 17 00:00:00 2001
From: Sean Hefty <sean.hefty@intel.com>
Date: Wed, 24 Jul 2013 15:06:08 -0700
Subject: [PATCH] RDMA/cma: Fix accessing invalid private data for UD

If a application is using AF_IB with a UD QP, but does not provide any
private data, we will end up accessing invalid memory.  Check for this
case and handle it appropriately.

Signed-off-by: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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