From 24fa163a4bae74b3378d30e1bc776568cfca8121 Mon Sep 17 00:00:00 2001
From: Zach Brown <zach.brown@oracle.com>
Date: Fri, 25 Jun 2010 14:59:49 -0700
Subject: [PATCH] RDS/IB: wait for IB dev freeing work to finish during rmmod

The RDS IB client removal callback can queue work to drop the final reference
to an IB device.  We have to make sure that this function has returned before
we complete rmmod or the work threads can try to execute freed code.

Signed-off-by: Zach Brown <zach.brown@oracle.com>
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