linux-kernel - Re: [patch 01/15] serial: when guessing, check only active resources, not options

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:	Mon, 2 Jun 2008 09:21:02 -0600
From:	Bjorn Helgaas <bjorn.helgaas@...com>
To:	Rene Herman <rene.herman@...access.nl>
Cc:	Len Brown <lenb@...nel.org>, linux-acpi@...r.kernel.org,
	linux-kernel@...r.kernel.org, Adam Belay <ambx1@....rr.com>,
	Adam M Belay <abelay@....edu>,
	Li Shaohua <shaohua.li@...el.com>,
	Matthieu Castet <castet.matthieu@...e.fr>,
	Thomas Renninger <trenn@...e.de>,
	Jaroslav Kysela <perex@...ex.cz>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Takashi Iwai <tiwai@...e.de>
Subject: Re: [patch 01/15] serial: when guessing, check only active resources, not options

On Sunday 01 June 2008 01:42:01 pm Rene Herman wrote:
> We used to cry "modem" if the device _could_ be configured using a COM 
> address while after this change we'd only do so if it _was_ configured 
> using one.
> 
> My old analog modem for example had 5 dependent sets -- the first with 
> the regular COM port addresses (0x3f8, 0x2f8, 0x3e8, 0x2e8) and a 5th 
> one listing a port range of (IIRC, something like that at least) 0x100 
> to 0xff8.
> 
> So say I'd have a PC with the regular two onboard COM ports at COM1 and 
> COM2 (0x3f8 and 0x2f8) and an additional serial controller providing 
> COM3 and COM4 (0x3e8 and 0x2e8). My modem would then be configured to 
> use 0x100 and this code would no longer trigger while it did use to.

Ah, you're right.  That scenario hadn't occurred to me.  Let me see
if I can figure out a way to make that work again.

Bjorn
--
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/