linux-kernel - Re: [tip:x86/boot] x86/boot: Clean up pointer casting

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Date:	Fri, 6 May 2016 12:44:38 +0200
From:	Borislav Petkov <bp@...en8.de>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	Kees Cook <keescook@...omium.org>, torvalds@...ux-foundation.org,
	hpa@...or.com, dyoung@...hat.com, tglx@...utronix.de,
	luto@...nel.org, peterz@...radead.org, dvlasenk@...hat.com,
	linux-kernel@...r.kernel.org, brgerst@...il.com,
	luto@...capital.net, akpm@...ux-foundation.org, bhe@...hat.com,
	yinghai@...nel.org, vgoyal@...hat.com,
	linux-tip-commits@...r.kernel.org
Subject: Re: [tip:x86/boot] x86/boot: Clean up pointer casting

On Fri, May 06, 2016 at 12:36:19PM +0200, Ingo Molnar wrote:
> 
> Hm, your patch throws a lot of warnings during allnoconfig builds:
> 
> In file included from arch/x86/boot/compressed/error.c:6:0:
> arch/x86/boot/compressed/misc.h: In function ‘choose_random_location’:
> arch/x86/boot/compressed/misc.h:83:9: warning: return makes pointer from integer 
> without a cast [-Wint-conversion]
>   return output_ptr;
>          ^

Blergh, that's when choose_random_location() is a stub and it needs to
do

	return (unsigned char *)output_ptr;

too.

Lemme run all the *config builds on the fixed version before I send you
a v2.

Thanks.

-- 
Regards/Gruss,
    Boris.

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