LKML Archive on lore.kernel.org
help / color / mirror / Atom feed
From: jmoyer@redhat.com
To: Jan Engelhardt <jengelh@linux01.gwdg.de>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Steven Fernandez <sfernand@redhat.com>,
	Andrew Morton <akpm@osdl.org>
Subject: Re: [patch] raw: don't allow the creation of a raw device with minor number 0
Date: Fri, 12 Jan 2007 17:58:41 -0500	[thread overview]
Message-ID: <m38xg73l9a.fsf@redhat.com> (raw)
In-Reply-To: <Pine.LNX.4.61.0701122341030.19224@yvahk01.tjqt.qr> (Jan Engelhardt's message of "Fri, 12 Jan 2007 23:41:28 +0100 (MET)")

==> Regarding Re: [patch] raw: don't allow the creation of a raw device with minor number 0; Jan Engelhardt <jengelh@linux01.gwdg.de> adds:

jengelh> On Jan 12 2007 11:32, Jeff Moyer wrote:

>> Date: Fri, 12 Jan 2007 11:32:11 -0500
>> From: Jeff Moyer <jmoyer@redhat.com>
>> To: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
>> Cc: Steven Fernandez <sfernand@redhat.com>, Andrew Morton <akpm@osdl.org>
>> Subject: [patch] raw: don't allow the creation of a raw device with minor
>> number 0
>> 
>> Hi,
>> 
>> Minor number 0 (under the raw major) is reserved for the rawctl device
>> file, which is used to query, set, and unset raw device bindings.
>> However, the ioctl interface does not protect the user from specifying
>> a raw device with minor number 0:

jengelh> No idea what to say about this... probably:

jengelh>   What:   RAW driver (CONFIG_RAW_DRIVER)
jengelh>   When:   December 2005
jengelh>   Why:    declared obsolete since kernel 2.6.3
jengelh>           O_DIRECT can be used instead
jengelh>   Who:    Adrian Bunk <bunk@stusta.de>

It's still present, still used, and so would benefit from being fixed, in
my opinion.

Cheers,

Jeff

  reply	other threads:[~2007-01-12 22:54 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-01-12 16:32 Jeff Moyer
2007-01-12 22:41 ` Jan Engelhardt
2007-01-12 22:58   ` jmoyer [this message]
2007-01-28 20:23     ` Dave Jones
     [not found] <7CxBM-2pk-23@gated-at.bofh.it>
     [not found] ` <7CDnP-30W-9@gated-at.bofh.it>
     [not found]   ` <7CDxA-3cL-9@gated-at.bofh.it>
     [not found]     ` <7IoP7-5nQ-13@gated-at.bofh.it>
2007-01-30 15:52       ` Bodo Eggert

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=m38xg73l9a.fsf@redhat.com \
    --to=jmoyer@redhat.com \
    --cc=akpm@osdl.org \
    --cc=jengelh@linux01.gwdg.de \
    --cc=linux-kernel@vger.kernel.org \
    --cc=sfernand@redhat.com \
    --subject='Re: [patch] raw: don'\''t allow the creation of a raw device with minor number 0' \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).