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Message-ID: <CANn89iKJ=Na2hWGv9Dau36Ojivt-icnd1BRgke033Z=a+E9Wcw@mail.gmail.com>
Date: Fri, 17 Nov 2023 18:29:10 +0100
From: Eric Dumazet <edumazet@...gle.com>
To: Kunwu Chan <chentao@...inos.cn>
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
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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