From 129a10fb81309f455eeb444560ec38657d29c46f Mon Sep 17 00:00:00 2001
From: Alexander Schmidt <alexs@linux.vnet.ibm.com>
Date: Tue, 12 Aug 2008 15:46:27 +0200
Subject: [PATCH] IB/ehca: Check idr_find() return value

The idr_find() function may fail when trying to get the QP that is
associated with a CQE, e.g. when a QP has been destroyed between the
generation of a CQE and the poll request for it.  In consequence, the
return value of idr_find() must be checked and the CQE must be
discarded when the QP cannot be found.

Signed-off-by: Alexander Schmidt <alexs@linux.vnet.ibm.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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