From 17a402a0075c7848d940eb846f8db1da6a832c5d Mon Sep 17 00:00:00 2001
From: Carolyn Wyborny <carolyn.wyborny@intel.com>
Date: Fri, 21 Nov 2014 23:52:54 -0800
Subject: [PATCH] igb: Fixes needed for surprise removal support

This patch adds some checks in order to prevent panic's on surprise
removal of devices during S0, S3, S4.  Without this patch, Thunderbolt
type device removal will panic the system.

Signed-off-by: Yanir Lubetkin <yanirx.lubetkin@intel.com>
Signed-off-by: Carolyn Wyborny <carolyn.wyborny@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
Reading git-format-patch failed