From 20f30c2d5ea44925cb83b0fdae78b8600a76b66e Mon Sep 17 00:00:00 2001
From: Michael Chan <mchan@broadcom.com>
Date: Mon, 2 Jun 2014 23:08:46 -0700
Subject: [PATCH] cnic: Don't take rcu_read_lock in cnic_rcv_netevent()

Because the called function, such as bnx2fc_indicate_netevent(), can sleep,
we cannot take rcu_lock().  To prevent the rcu protected ulp_ops from going
away, we use the cnic_lock mutex and set the ULP_F_CALL_PENDING flag.
The code already waits for ULP_F_CALL_PENDING flag to clear in
cnic_unregister_device().

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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