linux-kernel - Re: [Internet]linux-next: build warning after merge of the net-next tree

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Date:   Thu, 25 Aug 2022 07:55:36 +0000
From:   imagedong(董梦龙) <imagedong@...cent.com>
To:     Stephen Rothwell <sfr@...b.auug.org.au>
CC:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        "Linux Next Mailing List" <linux-next@...r.kernel.org>,
        David Miller <davem@...emloft.net>,
        Networking <netdev@...r.kernel.org>
Subject: Re: [Internet]linux-next: build warning after merge of the net-next
 tree


Hello,

On 2022/8/25 13:41，“Stephen Rothwell”<sfr@...b.auug.org.au> write:

> Hi all,
> 
> After merging the net-next tree, today's linux-next build (htmldocs)
> produced this warning:
> 
> Documentation/networking/kapi:26: net/core/skbuff.c:780: WARNING: Error in declarator or parameters
> Invalid C declaration: Expecting "(" in parameters. [error at 19]
>   void __fix_address kfree_skb_reason (struct sk_buff *skb, enum skb_drop_reason reason)
>   -------------------^
> 
> Introduced by commit
> 
>   c205cc7534a9 ("net: skb: prevent the split of kfree_skb_reason() by gcc")
> 

Yeah, I commited this patch. May I ask what command did you use to
produce this warning? I tried the following command, but not success:

  make V=2 SPHINXDIRS="networking" htmldocs

Hmm.......what does this warning means? Does it don't like this
function attribute?

Thanks!
Menglong Dong

> -- 
> Cheers,
> Stephen Rothwell