From: Mike Marciniszyn <mike.marciniszyn@intel.com>
Date: Fri, 19 Sep 2014 12:32:19 +0000 (-0400)
Subject: IB/qib: Correct reference counting in debugfs qp_stats
X-Git-Tag: fixes-for-v3.18-merge-window~78^2^6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=85cbb7c728bf39c45a9789b88c9471c0d7a58b0e;p=pandora-kernel.git

IB/qib: Correct reference counting in debugfs qp_stats

This particular reference count is not needed with the rcu protection,
and the current code leaks a reference count, causing a hang in
qib_qp_destroy().

Cc: <stable@vger.kernel.org>
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
---

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