From 3f85d50b609e8a5ef151656210203a6e94c19538 Mon Sep 17 00:00:00 2001
From: Matthew Wilcox <matthew.r.wilcox@intel.com>
Date: Tue, 1 Feb 2011 08:39:04 -0500
Subject: [PATCH] NVMe: Check returns from nvme_alloc_queue()

It can return NULL, so handle that.

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