[ovs-dev] Kernel module build failure with linux 4.14.162.

Gregory Rose gvrose8192 at gmail.com
Mon Jan 6 18:01:45 UTC 2020

On 1/6/2020 3:17 AM, Simon Horman wrote:
> On Mon, Jan 06, 2020 at 11:38:58AM +0100, Ilya Maximets wrote:
>> Our Travis fails to build kernel module with recent kernel 4.14.162.
>> It'll be good if someone could take a look:
>> https://travis-ci.org/ovsrobot/ovs/jobs/632805584
>> ovs/datapath/linux/ip_tunnel.c: In function ‘rpl_tnl_update_pmtu’:
>> ovs/datapath/linux/ip_tunnel.c:270:3: error: too few arguments to function ‘skb_dst((const struct sk_buff *)skb)->ops->update_pmtu’
>>     skb_dst(skb)->ops->update_pmtu(skb_dst(skb), NULL, skb, mtu);
>>     ^
>> ovs/datapath/linux/ip6_gre.c: In function ‘ip6erspan_tunnel_xmit’:
>> ovs/datapath/linux/ip6_gre.c:1092:3: error: too few arguments to function ‘dst->ops->update_pmtu’
>>     dst->ops->update_pmtu(dst, NULL, skb, dst->dev->mtu);
> I think a possible solution to this is to unconditionally call
> skb_dst_update_pmtu(). I will work on a patch but I don't mind
> if someone else wants to post one.


if you haven't already written up a patch then I'll go ahead and take 
care of this.


- Greg

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