linux-kernel - Re: [PATCH] Soekris net5501 board support code

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Fri, 6 Feb 2009 15:21:21 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Alessandro Zummo <alessandro.zummo@...ertech.it>
Cc:	linux-kernel@...r.kernel.org, rpurdie@...ys.net, mingo@...e.hu,
	tglx@...utronix.de, hpa@...or.com
Subject: Re: [PATCH] Soekris net5501 board support code

On Thu, 5 Feb 2009 16:13:19 +0100
Alessandro Zummo <alessandro.zummo@...ertech.it> wrote:

> +static int __init soekris_init(void)
> +{
> +	int i;
> +	unsigned char *rombase, *bios;
> +
> +	if (!is_geode() || geode_has_vsa2())
> +		return 0;
> +
> +	rombase = ioremap(0xffff0000, 0xffff);
> +	if (!rombase)
> +		return 0;

Is it appropriate to silently "succeed" if the ioremap() failed?

> +	bios = rombase + 0x20;	/* null terminated */
> +
> +	if (strncmp(bios, "comBIOS", 7))
> +		goto unmap;
> +
> +	for (i = 0; i < ARRAY_SIZE(boards); i++) {
> +		unsigned char *model = rombase + boards[i].offset;
> +
> +		if (strncmp(model, boards[i].sig, boards[i].len) == 0) {
> +			printk(KERN_INFO "Soekris %s: %s\n", model, bios);
> +
> +			if (boards[i].init)
> +				boards[i].init();
> +			break;
> +		}
> +	}
> +
> +unmap:
> +	iounmap(rombase);
> +	return 0;
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/