linux-kernel - Re: [PATCH] net/handshake: Fix section mismatch in handshake

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Message-ID: <ZEHahFowL+7Pc3Jm@manet.1015granger.net>
Date:   Thu, 20 Apr 2023 20:36:20 -0400
From:   Chuck Lever <cel@...nel.org>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:     Chuck Lever <chuck.lever@...cle.com>,
        "David S . Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        kernel-tls-handshake@...ts.linux.dev, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] net/handshake: Fix section mismatch in handshake_exit

On Thu, Apr 20, 2023 at 07:37:23PM +0200, Geert Uytterhoeven wrote:
> If CONFIG_NET_NS=n (e.g. m68k/defconfig):
> 
>     WARNING: modpost: vmlinux.o: section mismatch in reference: handshake_exit (section: .exit.text) -> handshake_genl_net_ops (section: .init.data)
>     ERROR: modpost: Section mismatches detected.
> 
> Fix this by dropping the __net_initdata tag from handshake_genl_net_ops.
> 
> Fixes: 3b3009ea8abb713b ("net/handshake: Create a NETLINK service for handling handshake requests")
> Reported-by: noreply@...erman.id.au
> Closes: http://kisskb.ellerman.id.au/kisskb/buildresult/14912987
> Signed-off-by: Geert Uytterhoeven <geert@...ux-m68k.org>

Reviewed-by: Chuck Lever <chuck.lever@...cle.com>

> ---
>  net/handshake/netlink.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/net/handshake/netlink.c b/net/handshake/netlink.c
> index 8ea0ff993f9fba50..35c9c445e0b850d8 100644
> --- a/net/handshake/netlink.c
> +++ b/net/handshake/netlink.c
> @@ -249,7 +249,7 @@ static void __net_exit handshake_net_exit(struct net *net)
>  	}
>  }
>  
> -static struct pernet_operations __net_initdata handshake_genl_net_ops = {
> +static struct pernet_operations handshake_genl_net_ops = {
>  	.init		= handshake_net_init,
>  	.exit		= handshake_net_exit,
>  	.id		= &handshake_net_id,
> -- 
> 2.34.1
>