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SubjectRe: [PATCH v2] net: provide default_advmss() methods to blackhole dst_ops
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From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Fri, 18 Feb 2011 14:44:32 +0100

> Le vendredi 18 février 2011 à 14:33 +0100, Eric Dumazet a écrit :
>
>> I had this exact idea but found we need struct net pointer to get this
>> value, not provided in parameters, so I falled back to the 256 value.
>>
>>
>
> Hmm, reading again this stuff, maybe we can just use
> ipv4_default_advmss() instead of a custom one.
>
> dst->dev should be available
>
> [PATCH] net: provide default_advmss() methods to blackhole dst_ops
>
> Commit 0dbaee3b37e118a (net: Abstract default ADVMSS behind an
> accessor.) introduced a possible crash in tcp_connect_init(), when
> dst->default_advmss() is called from dst_metric_advmss()
>
> Reported-by: George Spelvin <linux@horizon.com>
> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>

Yes, this is a lot better, applied.

Thanks!
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