netdev - Re: [PATCH net-next] tipc: fix broadcast wakeup contention after congestion

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Message-Id: <20141210.144600.305925368750434533.davem@davemloft.net>
Date:	Wed, 10 Dec 2014 14:46:00 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	richard.alpe@...csson.com
Cc:	netdev@...r.kernel.org, tipc-discussion@...ts.sourceforge.net,
	erik.hugne@...csson.com
Subject: Re: [PATCH net-next] tipc: fix broadcast wakeup contention after
 congestion

From: <richard.alpe@...csson.com>
Date: Wed, 10 Dec 2014 09:46:54 +0100

> From: Richard Alpe <richard.alpe@...csson.com>
> 
> commit 908344cdda80 ("tipc: fix bug in multicast congestion handling")
> introduced a race in the broadcast link wakeup functionality.
> 
> This patch eliminates this broadcast link wakeup race caused by
> operation on the wakeup list without proper locking. If this race
> hit and corrupted the list all subsequent wakeup messages would be
> lost, resulting in a considerable memory leak.
> 
> Signed-off-by: Richard Alpe <richard.alpe@...csson.com>
> Signed-off-by: Erik Hugne <erik.hugne@...csson.com>

Applied, thank you.
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