netdev - Re: [PATCH net] net: don't call update

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Message-ID: <db3adce5-31a4-bcfd-352c-b343aa5ed37a@6wind.com>
Date:   Fri, 26 Jan 2018 00:10:13 +0100
From:   Nicolas Dichtel <nicolas.dichtel@...nd.com>
To:     David Miller <davem@...emloft.net>
Cc:     netdev@...r.kernel.org, code@...pl.cz, lucien.xin@...il.com,
        jbenc@...hat.com, pablo@...filter.org, edumazet@...gle.com,
        dsahern@...il.com, tgraf@...g.ch
Subject: Re: [PATCH net] net: don't call update_pmtu unconditionally

Le 25/01/2018 à 22:28, David Miller a écrit :
> From: Nicolas Dichtel <nicolas.dichtel@...nd.com>
> Date: Thu, 25 Jan 2018 19:03:03 +0100
> 
>> Some dst_ops (e.g. md_dst_ops)) doesn't set this handler. It may result to:
>> "BUG: unable to handle kernel NULL pointer dereference at           (null)"
>>
>> Let's add a helper to check if update_pmtu is available before calling it.
>>
>> Fixes: 52a589d51f10 ("geneve: update skb dst pmtu on tx path")
>> Fixes: a93bf0ff4490 ("vxlan: update skb dst pmtu on tx path")
>> CC: Roman Kapl <code@...pl.cz>
>> CC: Xin Long <lucien.xin@...il.com>
>> Signed-off-by: Nicolas Dichtel <nicolas.dichtel@...nd.com>
> 
> Applied with the fixup suggested by David Ahern and queued up for -stable,
Thank you for taking care of that.


Regards,
Nicolas