From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Cc: Grant Likely <grant.likely@linaro.org>,
Rob Herring <robh+dt@kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Jakub Sitnicki <jsitnicki@gmail.com>,
Vivek Goyal <vgoyal@redhat.com>,
Bjorn Helgaas <bhelgaas@google.com>,
Jiang Liu <jiang.liu@linux.intel.com>,
Mike Travis <travis@sgi.com>, Thierry Reding <treding@nvidia.com>,
linux-kernel@vger.kernel.org, devicetree@vger.kernel.org
Subject: Re: [PATCH v3.1 4/4] of/platform: Use platform_device interface
Date: Sun, 24 May 2015 12:29:15 -0700 [thread overview]
Message-ID: <20150524192915.GA7170@kroah.com> (raw)
In-Reply-To: <1429719261-18024-5-git-send-email-ricardo.ribalda@gmail.com>
On Fri, May 15, 2015 at 01:52:10PM +0200, Ricardo Ribalda Delgado wrote:
> of_platform_device_create_pdata() was using of_device_add() to create
> the devices, but of_platform_device_destroy was using
> platform_device_unregister() to free them.
>
> of_device_add(), do not call insert_resource(), which initializes the
> parent field of the resource structure, needed by release_resource(),
> called by of_platform_device_destroy(). This leads to a NULL pointer
> deference.
>
> Instead of fixing the NULL pointer deference, what could hide other bugs,
> this patch, replaces of_device_add() with platform_device_data().
>
> Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
> Acked-by: Rob Herring <robh@kernel.org>
> ---
>
> v3.1 Fix comments by Rob Herring, thanks!
3.1?
Please resend the whole series, this is a mess, I can't find where this
goes at all...
greg k-h
next prev parent reply other threads:[~2015-05-24 19:29 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-22 16:14 [PATCH v3 0/4] Fix null pointer deference when calling of_platform_depopulate Ricardo Ribalda Delgado
2015-04-22 16:14 ` [PATCH v3 1/4] kernel/resource: Invalid memory access in __release_resource Ricardo Ribalda Delgado
2015-04-22 16:47 ` Bjorn Helgaas
2015-04-23 8:06 ` Ricardo Ribalda Delgado
2015-04-22 16:14 ` [PATCH v3 2/4] base/platform: Only insert MEM and IO resources Ricardo Ribalda Delgado
2015-04-22 16:14 ` [PATCH v3 3/4] base/platform: Continue on insert_resource() error Ricardo Ribalda Delgado
2015-04-22 16:44 ` Bjorn Helgaas
2015-04-23 7:55 ` Ricardo Ribalda Delgado
2015-04-23 13:26 ` Bjorn Helgaas
2015-04-23 16:54 ` Thierry Reding
2015-04-22 16:14 ` [PATCH v3 4/4] of/platform: Use platform_device interface Ricardo Ribalda Delgado
2015-04-22 16:25 ` Rob Herring
2015-04-23 7:28 ` Ricardo Ribalda Delgado
2015-04-23 13:49 ` Ricardo Ribalda Delgado
2015-05-24 19:29 ` Greg Kroah-Hartman [this message]
2015-05-26 7:26 ` [PATCH v3.1 " Ricardo Ribalda Delgado
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