Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964779AbXBLHrR (ORCPT ); Mon, 12 Feb 2007 02:47:17 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S933077AbXBLHq6 (ORCPT ); Mon, 12 Feb 2007 02:46:58 -0500 Received: from mail.suse.de ([195.135.220.2]:38367 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933078AbXBLHhx (ORCPT ); Mon, 12 Feb 2007 02:37:53 -0500 From: Andi Kleen References: <20070212837.963446000@suse.de> In-Reply-To: <20070212837.963446000@suse.de> To: Rene Herman , Andi Kleen , patches@x86-64.org, linux-kernel@vger.kernel.org Subject: [PATCH x86 for review II] [6/39] i386: romsignature/checksum cleanup Message-Id: <20070212073752.5B5AA13D7F@wotan.suse.de> Date: Mon, 12 Feb 2007 08:37:52 +0100 (CET) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1637 Lines: 55 From: Rene Herman Use adding __init to romsignature() (it's only called from probe_roms() which is itself __init) as an excuse to submit a pedantic cleanup. Signed-off-by: Rene Herman Signed-off-by: Andi Kleen Cc: Andi Kleen Signed-off-by: Andrew Morton --- arch/i386/kernel/e820.c | 17 +++++++++-------- 1 file changed, 9 insertions(+), 8 deletions(-) Index: linux/arch/i386/kernel/e820.c =================================================================== --- linux.orig/arch/i386/kernel/e820.c +++ linux/arch/i386/kernel/e820.c @@ -157,21 +157,22 @@ static struct resource standard_io_resou .flags = IORESOURCE_BUSY | IORESOURCE_IO } }; -static int romsignature(const unsigned char *x) +#define ROMSIGNATURE 0xaa55 + +static int __init romsignature(const unsigned char *rom) { unsigned short sig; - int ret = 0; - if (probe_kernel_address((const unsigned short *)x, sig) == 0) - ret = (sig == 0xaa55); - return ret; + + return probe_kernel_address((const unsigned short *)rom, sig) == 0 && + sig == ROMSIGNATURE; } static int __init romchecksum(unsigned char *rom, unsigned long length) { - unsigned char *p, sum = 0; + unsigned char sum; - for (p = rom; p < rom + length; p++) - sum += *p; + for (sum = 0; length; length--) + sum += *rom++; return sum == 0; } - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/