linux-kernel - Re: [PATCH v2 02/17] security: make security_file_set_fowner, f_setown and __f

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Message-ID: <CACE9dm_NKwFV__MeQw039yenbjzT+XwakgxZuynr25EVWHjRdQ@mail.gmail.com>
Date:	Tue, 7 Oct 2014 20:34:57 +0300
From:	Dmitry Kasatkin <dmitry.kasatkin@...il.com>
To:	Christoph Hellwig <hch@...radead.org>
Cc:	Jeff Layton <jlayton@...marydata.com>,
	linux-fsdevel@...r.kernel.org, linux-nfs@...r.kernel.org,
	"J. Bruce Fields" <bfields@...ldses.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	linux-security-module <linux-security-module@...r.kernel.org>
Subject: Re: [PATCH v2 02/17] security: make security_file_set_fowner,
 f_setown and __f_setown void return

On 7 October 2014 20:17, Christoph Hellwig <hch@...radead.org> wrote:
> On Tue, Oct 07, 2014 at 08:11:42PM +0300, Dmitry Kasatkin wrote:
>> If file_set_fowner op is now type of "void", how you can actually
>> return the value?
>> I think compiler must give error. How could you compile it?
>
> Returning void values is a GNU extension.  I've seen it in a few
> places in the kernel.  Although in general I'd prefer it we'd remove
> it (and have the compiler warn about it).
>

Cool. There were patches around to use LLVM as well.
Will it work there?

-- 
Thanks,
Dmitry
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