From 4db62d4786e946e6fc8c2bb1f9201508f7f46c41 Mon Sep 17 00:00:00 2001
From: Mike Marciniszyn <mike.marciniszyn@qlogic.org>
Date: Mon, 10 Jan 2011 17:42:23 -0800
Subject: [PATCH] IB/qib: Fix refcount leak in lkey/rkey validation

The mr optimization introduced a reference count leak on an exception
test.  The lock/refcount manipulation is moved down and the problematic
exception test now calls bail to insure that the lock is released.

Additional fixes as suggested by Ralph Campbell <ralph.campbell@qlogic.org>:
- reduce lock scope of dma regions
- use explicit values on returns vs. automatic ret value

Signed-off-by: Mike Marciniszyn <mike.marciniszyn@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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