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From: Greg Kroah-Hartman <gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org>
To: Ricardo Ribalda Delgado
	<ricardo.ribalda-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: Grant Likely
	<grant.likely-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
	Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
	Andrew Morton
	<akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>,
	Jakub Sitnicki
	<jsitnicki-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	Vivek Goyal <vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
	Bjorn Helgaas <bhelgaas-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>,
	Jiang Liu <jiang.liu-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>,
	Mike Travis <travis-sJ/iWh9BUns@public.gmane.org>,
	Thierry Reding <treding-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.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-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>

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-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
> Acked-by: Rob Herring <robh-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.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
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  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
     [not found]     ` <20150422164701.GJ20701-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
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
     [not found]   ` <1429719261-18024-4-git-send-email-ricardo.ribalda-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2015-04-22 16:44     ` Bjorn Helgaas
     [not found]       ` <20150422164457.GI20701-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2015-04-23  7:55         ` Ricardo Ribalda Delgado
2015-04-23 13:26           ` Bjorn Helgaas
     [not found]             ` <20150423132637.GK20701-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
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
     [not found]   ` <1429719261-18024-5-git-send-email-ricardo.ribalda-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2015-04-22 16:25     ` Rob Herring
2015-04-23  7:28       ` Ricardo Ribalda Delgado
     [not found]         ` <CAPybu_3Ej2ecFDTiJVL9TfE=ZLFN2wLKE_nFL2WjMQtk+4LO_A-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-04-23 13:49           ` Ricardo Ribalda Delgado
2015-05-24 19:29     ` Greg Kroah-Hartman [this message]
     [not found]       ` <20150524192915.GA7170-U8xfFu+wG4EAvxtiuMwx3w@public.gmane.org>
2015-05-26  7:26         ` [PATCH v3.1 " Ricardo Ribalda Delgado

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