From 9a2620c877454bb4b5c19f73d4d1d7b375da3632 Mon Sep 17 00:00:00 2001
From: Yuval Mintz <yuvalmin@broadcom.com>
Date: Tue, 7 Jan 2014 12:07:41 +0200
Subject: [PATCH] bnx2x: prevent WARN during driver unload

Starting with commit 80c33dd "net: add might_sleep() call to napi_disable"
bnx2x fails the might_sleep tests causing a stack trace to appear whenever
the driver is unloaded, as local_bh_disable() is being called before
napi_disable().

This changes the locking schematics related to CONFIG_NET_RX_BUSY_POLL,
preventing the need for calling local_bh_disable() and thus eliminating
the issue.

Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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