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Message-ID: <26295fac-2617-4219-a2d5-5f009223e655@kylinos.cn>
Date: Sun, 19 Nov 2023 22:35:19 +0800
From: Kunwu Chan <chentao@...inos.cn>
To: Eric Dumazet <edumazet@...gle.com>
Cc: davem@...emloft.net, dsahern@...nel.org, kuba@...nel.org,
pabeni@...hat.com, kunwu.chan@...mail.com, netdev@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ipv6: Correct/silence an endian warning in
ip6_multipath_l3_keys
Hi Eric,
Thank you very much for the suggestion, I have modified and resent the
patch as suggested.
On 2023/11/18 01:29, Eric Dumazet wrote:
> On Fri, Nov 17, 2023 at 6:06 PM Kunwu Chan <chentao@...inos.cn> wrote:
>>
>> net/ipv6/route.c:2332:39: warning: incorrect type in assignment (different base types)
>> net/ipv6/route.c:2332:39: expected unsigned int [usertype] flow_label
>> net/ipv6/route.c:2332:39: got restricted __be32
>>
>> Signed-off-by: Kunwu Chan <chentao@...inos.cn>
>
> Same remark, we need a Fixes: tag
>
>> ---
>> net/ipv6/route.c | 2 +-
>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/net/ipv6/route.c b/net/ipv6/route.c
>> index b132feae3393..692c811eb786 100644
>> --- a/net/ipv6/route.c
>> +++ b/net/ipv6/route.c
>> @@ -2329,7 +2329,7 @@ static void ip6_multipath_l3_keys(const struct sk_buff *skb,
>> } else {
>> keys->addrs.v6addrs.src = key_iph->saddr;
>> keys->addrs.v6addrs.dst = key_iph->daddr;
>> - keys->tags.flow_label = ip6_flowlabel(key_iph);
>> + keys->tags.flow_label = be32_to_cpu(ip6_flowlabel(key_iph));
>> keys->basic.ip_proto = key_iph->nexthdr;
>> }
>
> This is not consistent with line 2541 doing:
>
> hash_keys.tags.flow_label = (__force u32)flowi6_get_flowlabel(fl6);
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