From: Tejun Heo <tj@kernel.org>
To: Xiaotian Feng <xtfeng@gmail.com>
Cc: Alexander Gordeev <agordeev@redhat.com>,
linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2] AHCI: fix Null pointer dereference in achi_host_active()
Date: Tue, 23 Jul 2013 10:26:25 -0400 [thread overview]
Message-ID: <20130723142625.GA18186@mtj.dyndns.org> (raw)
In-Reply-To: <1374551650-56759-1-git-send-email-xtfeng@gmail.com>
On Tue, Jul 23, 2013 at 11:54:10AM +0800, Xiaotian Feng wrote:
> commit b29900e6 (AHCI: Make distinct names for ports in /proc/interrupts)
> introuded a regression, which resulted Null pointer dereference for achi
> host with dummy ports. For ahci ports, when the port is dummy port, its
> private_data will be NULL, as ata_dummy_port_ops doesn't support ->port_start.
>
> changes in v2: use pp to check dummy ports, update comments
>
> Reported-and-tested-by: Alex Williamson <alex.williamson@redhat.com>
> Signed-off-by: Xiaotian Feng <xtfeng@gmail.com>
> Cc: Alexander Gordeev <agordeev@redhat.com>
> Cc: Tejun Heo <tj@kernel.org>
> Cc: linux-ide@vger.kernel.org
> Cc: linux-kernel@vger.kernel.org
Applied to libata/for-3.11-fixes.
Thanks.
--
tejun
prev parent reply other threads:[~2013-07-23 14:26 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-16 5:18 [PATCH] AHCI: fix Null pointer dereference in achi_host_active() Xiaotian Feng
2013-07-16 11:48 ` Sergei Shtylyov
2013-07-17 6:10 ` Xiaotian Feng
2013-07-22 21:28 ` Tejun Heo
2013-07-22 21:31 ` Xiaotian Feng
2013-07-23 3:54 ` [PATCH v2] " Xiaotian Feng
2013-07-23 14:26 ` Tejun Heo [this message]
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=20130723142625.GA18186@mtj.dyndns.org \
--to=tj@kernel.org \
--cc=agordeev@redhat.com \
--cc=linux-ide@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=xtfeng@gmail.com \
/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
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
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).