netdev - Re: [PATCH net-next 3/6] cnic: Fix panic in cnic_iscsi_nl_msg

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Message-Id: <20100226.021124.01042277.davem@davemloft.net>
Date:	Fri, 26 Feb 2010 02:11:24 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	mchan@...adcom.com
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH net-next 3/6] cnic: Fix panic in
 cnic_iscsi_nl_msg_recv() when device is down.

From: "Michael Chan" <mchan@...adcom.com>
Date: Wed, 24 Feb 2010 16:42:06 -0800

> Some data structures are freed when the device is down and it will
> crash if an ISCSI netlink message is received.  Add RCU protection
> to prevent this.  In the shutdown path, ulp_ops[CNIC_ULP_L4] is
> assigned NULL and rcu_synchronized before freeing the data
> structures.
> 
> Signed-off-by: Michael Chan <mchan@...adcom.com>

Applied.
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