netdev - Re: [PATCH v3] ipv6: Correct/silence an endian warning in ip6_multipath_l3

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Message-ID: <37452b03-9c24-42a7-bb4f-ed19f622f0ef@kylinos.cn>
Date: Wed, 22 Nov 2023 17:04:49 +0800
From: Kunwu Chan <chentao@...inos.cn>
To: Christoph Hellwig <hch@...radead.org>
Cc: davem@...emloft.net, dsahern@...nel.org, edumazet@...gle.com,
 kuba@...nel.org, pabeni@...hat.com, jkbs@...hat.com, kunwu.chan@...mail.com,
 netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3] ipv6: Correct/silence an endian warning in
 ip6_multipath_l3_keys

Hi Christoph,
Thanks for your reply.
I also can't guarantee that it's the right thing to do. Just wanted to 
dispel this warning. If you have any better way, please let me know.


On 2023/11/22 15:23, Christoph Hellwig wrote:
> On Wed, Nov 22, 2023 at 03:19:24PM +0800, Kunwu Chan 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
> 
> Can you expain why you think the __force cast is the correct thing to do
> here?