netdev - Re: [RFC][PATCH] mac80211_hwsim: No parent is better than an illegimate one.

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, 12 Jul 2010 07:23:09 -0700
From:	ebiederm@...ssion.com (Eric W. Biederman)
To:	Johannes Berg <johannes@...solutions.net>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	"Maciej W. Rozycki" <macro@...ux-mips.org>,
	Kay Sievers <kay.sievers@...y.org>, Greg KH <greg@...ah.com>,
	"Greg KH \<gregkh\@suse.de\> netdev" <netdev@...r.kernel.org>
Subject: Re: [RFC][PATCH] mac80211_hwsim: No parent is better than an illegimate one.

Johannes Berg <johannes@...solutions.net> writes:

> On Thu, 2010-07-08 at 09:37 -0700, Eric W. Biederman wrote:
>> Don't call SET_IEEE80211_DEV.  This weakens the connections between
>> the phy files in sysfs slightly but otherwise it makes the driver work
>> in the face of tagged sysfs support.
>> 
>> Signed-off-by: Eric W. Biederman <ebiederm@...ssion.com>
>> ---
>> 
>> Johannes does this change look usable?
>
> It'll probably work, but anything in userspace relying on it will fail,
> and you'll have some unused virtual devices in sysfs?

Well anything in userspace that isn't mac80211_hwsim specific will
likely already fail because the format of the link is different for
mac80211_hwsim then for every other wireless device.

> Not too keen on it, but if we really can't fix it ....

Perhaps.  I'm not familiar enough with the details of the device layer
to promise an eta on anything like that.

Eric
--
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