netdev - Re: 3.6-rt: inet_sk_rx_dst

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Date:	Thu, 25 Apr 2013 00:36:47 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	eric.dumazet@...il.com
Cc:	bitbucket@...ine.de, linux-rt-users@...r.kernel.org,
	netdev@...r.kernel.org, sfr@...b.auug.org.au
Subject: Re: 3.6-rt: inet_sk_rx_dst_set() network splat

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Wed, 24 Apr 2013 18:34:55 -0700

> From: Eric Dumazet <edumazet@...gle.com>
 ...
> Thanks for the report, here is a fix.
> 
> It will be a bit of a hassle to merge this one on net-next, as
> tcp_prequeue() was moved in commit
> b2fb4f54ecd47c42413d54b4666b06cf93c05abf
> (tcp: uninline tcp_prequeue() )
> 
> David, maybe you prefer to pull into net tree the move, then I respin
> the fix ?
> 
> [PATCH] tcp: force a dst refcount when prequeue packet

I'll apply this to 'net', since you've explained the complict I now
know how to resolve this when I next merge into 'net-next'.

Stephen, there is a bug fix going into 'net' for tcp_prequeue()
however in 'net-next' tcp_prequeue() has simply moved from one
place to another.  The merge resolution is to simple move the
new skb_dst_force() call to the new location.
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