netdev - Re: [PATCH net-next] net: force a list_del() in unregister_netdevice

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Message-ID: <53950D7C.5060001@cn.fujitsu.com>
Date:	Mon, 9 Jun 2014 09:27:24 +0800
From:	Gao feng <gaofeng@...fujitsu.com>
To:	Eric Dumazet <eric.dumazet@...il.com>,
	Cong Wang <xiyou.wangcong@...il.com>
CC:	Linux Kernel Network Developers <netdev@...r.kernel.org>,
	"David S. Miller" <davem@...emloft.net>
Subject: Re: [PATCH net-next] net: force a list_del() in unregister_netdevice_many()

On 06/06/2014 09:44 PM, Eric Dumazet wrote:
> From: Eric Dumazet <edumazet@...gle.com>
> 
> unregister_netdevice_many() API is error prone and we had too
> many bugs because of dangling LIST_HEAD on stacks.
> 
> See commit f87e6f47933e3e ("net: dont leave active on stack LIST_HEAD")
> 
> In fact, instead of making sure no caller leaves an active list_head,
> just force a list_del() in the callee. No one seems to need to access
> the list after unregister_netdevice_many()
> 

Just like the patch I posted one year ago, interesting :)
http://patchwork.ozlabs.org/patch/223521/

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