linux-kernel - Re: Oops in 2.6.39 include/net/dst.h: dst_metrics_write

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Message-Id: <20110425.115429.193701951.davem@davemloft.net>
Date:	Mon, 25 Apr 2011 11:54:29 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	berny156@....de
Cc:	eric.dumazet@...il.com, linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org
Subject: Re: Oops in 2.6.39 include/net/dst.h: dst_metrics_write_ptr()
 running l2tp over ipsec

From: Held Bernhard <berny156@....de>
Date: Mon, 25 Apr 2011 11:52:16 +0200

> Am 25.04.2011 10:07, schrieb Eric Dumazet:
>> From: Held Bernhard<berny156@....de>
 ...
>> Thanks for your report and patch.
>>
>> Maybe following patch is the way to fix this, please test it.
>>
>>
>> [PATCH] net: provide cow_metrics() methods to blackhole dst_ops
 ...
>> The oops happens in dst_metrics_write_ptr()
>> include/net/dst.h:124: return dst->ops->cow_metrics(dst, p);
>>
>> dst->ops->cow_metrics is NULL and causes the oops.
>>
>> Provide cow_metrics() methods, like we did in commit 214f45c91bb
>> (net: provide default_advmss() methods to blackhole dst_ops)
>>
>> Signed-off-by: Held Bernhard<berny156@....de>
>> Signed-off-by: Eric Dumazet<eric.dumazet@...il.com>
 ...
> Your patch works flawlessly.
> 
> Thanks for the quick response!

Applied, thanks everyone.
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