From b37987e8db5faee3fc12baecc4699f9d92bc0695 Mon Sep 17 00:00:00 2001
From: Hariprasad Shenai <hariprasad@chelsio.com>
Date: Thu, 26 Mar 2015 10:04:26 +0530
Subject: [PATCH] cxgb4: Disable interrupts and napi before unregistering
 netdev

Disable interrupts and quiesce rx before unregistering net device to avoid crash
while unloading driver when traffic is flowing through.

Based on original work by Shameem Khalid <shameem@chelsio.com>

Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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