From a51afb54339c5e9ee72df66ae0f2ac5aacfed365 Mon Sep 17 00:00:00 2001
From: Keith Busch <keith.busch@intel.com>
Date: Tue, 13 May 2014 10:32:46 -0600
Subject: [PATCH] NVMe: Fix nvme get/put queue semantics

The routines to get and lock nvme queues required the caller to "put"
or "unlock" them even if getting one returned NULL. This patch fixes that.

Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
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