netdev - Re: [PATCH] net: eepro testing positive EBUSY return by request

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] [day] [month] [year] [list]

Date:	Mon, 03 Jan 2011 11:37:26 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	roel.kluin@...il.com
Cc:	ben@...adent.org.uk, netdev@...r.kernel.org,
	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] net: eepro testing positive EBUSY return by
 request_irq()?

From: roel kluin <roel.kluin@...il.com>
Date: Sun, 02 Jan 2011 15:52:23 +0100

> +		for (i = 0; i < ARRAY_SIZE(irqlist); i++) {
> +			retval = request_irq (irqlist[i], NULL, 0, "bogus", NULL);
> +			if (retval != -EBUSY)
> +				continue;
> +			if (retval < 0)
> +				goto out;
> +			dev->irq = irqlist[i];
> +			break;

This series of tests don't make much sense.

If we get to the "retval < 0" check, retval must be -EBUSY.  So at
best it's superfluous, at worst it's confusing.
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html