From 29d0790ef3acd869bc392676a7623e5613ab33e8 Mon Sep 17 00:00:00 2001
From: Shannon Nelson <shannon.nelson@intel.com>
Date: Tue, 26 Nov 2013 10:49:26 +0000
Subject: [PATCH] i40e: prevent null pointer exception in dump descriptor

Check that rings were allocated before trying to reference them.

Change-Id: I33151e55ab7a7a305fecdb88ccb2709ac246b7c7
Signed-off-by: Shannon Nelson <shannon.nelson@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Reading git-format-patch failed