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

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Message-ID: <20160506103619.GA8998@gmail.com>
Date:	Fri, 6 May 2016 12:36:19 +0200
From:	Ingo Molnar <mingo@...nel.org>
To:	Borislav Petkov <bp@...en8.de>
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


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;
         ^
In file included from arch/x86/boot/compressed/early_serial_console.c:1:0:
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;
         ^
  CC      arch/x86/boot/compressed/misc.o
In file included from arch/x86/boot/compressed/cmdline.c:1:0:
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;
         ^
In file included from arch/x86/boot/compressed/misc.c:14:0:
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;

Thanks,

	Ingo