linux-kernel - Re: [PATCH net-next v2] selftests: net: csum: Fix printk format in recv_get_packet_csum

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Message-Id: 
 <176884681553.87873.17149819008459175901.git-patchwork-notify@kernel.org>
Date: Mon, 19 Jan 2026 18:20:15 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Christophe Leroy (CS GROUP) <chleroy@...nel.org>
Cc: davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
 pabeni@...hat.com, horms@...nel.org, shuah@...nel.org,
 netdev@...r.kernel.org, linux-kselftest@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next v2] selftests: net: csum: Fix printk format in
 recv_get_packet_csum_status()

Hello:

This patch was applied to netdev/net-next.git (main)
by Jakub Kicinski <kuba@...nel.org>:

On Fri, 16 Jan 2026 10:48:55 +0100 you wrote:
> Following warning is encountered when building selftests on powerpc/32.
> 
>   CC       csum
> csum.c: In function 'recv_get_packet_csum_status':
> csum.c:710:50: warning: format '%lu' expects argument of type 'long unsigned int', but argument 4 has type 'size_t' {aka 'unsigned int'} [-Wformat=]
>   710 |                         error(1, 0, "cmsg: len=%lu expected=%lu",
>       |                                                ~~^
>       |                                                  |
>       |                                                  long unsigned int
>       |                                                %u
>   711 |                               cm->cmsg_len, CMSG_LEN(sizeof(struct tpacket_auxdata)));
>       |                               ~~~~~~~~~~~~
>       |                                 |
>       |                                 size_t {aka unsigned int}
> csum.c:710:63: warning: format '%lu' expects argument of type 'long unsigned int', but argument 5 has type 'unsigned int' [-Wformat=]
>   710 |                         error(1, 0, "cmsg: len=%lu expected=%lu",
>       |                                                             ~~^
>       |                                                               |
>       |                                                               long unsigned int
>       |                                                             %u
> 
> [...]

Here is the summary with links:
  - [net-next,v2] selftests: net: csum: Fix printk format in recv_get_packet_csum_status()
    https://git.kernel.org/netdev/net-next/c/d321d505edb6

You are awesome, thank you!
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