linux-kernel - Re: [Patch] kbuild: fix headers

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Date:	Fri, 5 Jun 2009 10:21:50 +0100
From:	Arnd Bergmann <arnd@...db.de>
To:	Amerigo Wang <amwang@...hat.com>
Cc:	linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
	sam@...nborg.org, linux-kbuild@...r.kernel.org
Subject: Re: [Patch] kbuild: fix headers_check.pl

On Friday 05 June 2009, Amerigo Wang wrote:
> -sub check_prototypes
> +sub check_declarations
>  {
> -       if ($line =~ m/^\s*extern\b/) {
> -               printf STDERR "$filename:$lineno: extern's make no sense in userspace\n";
> +       if ($line =~m/^\s*extern\b/) {
> +               if ($line =~ m/^\s*extern\b.*\(.*\)/) {
> +                       printf STDERR "$filename:$lineno: extern's make no sense in userspace\n";
> +               } else {
> +                       printf STDERR "$filename:$lineno: exporting global variable to userspace is suspicious\n";
> +               }
>         }
>  }

I don't think we really need that distinction here, the old
text applies to both. But please find a way to get rid of
the "extern's".

http://angryflower.com/bobsqu.gif

	Arnd <><
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