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Date: Thu, 25 Feb 2010 13:14:27 +0200
Message-ID: <94a0d4531002250314o4a1d08cclceb20e991c51d829@mail.gmail.com>
Subject: Re: [PATCH] omap2_mcspi.c: NULL pointer dereference
From: Felipe Contreras <felipe.contreras@gmail.com>
To: Scott Ellis <scott@jumpnowtek.com>
Cc: linux-kernel@vger.kernel.org,
       David Brownell <dbrownell@users.sourceforge.net>,
       Andrew Morton <akpm@linux-foundation.org>,
       Tony Lindgren <tony@atomide.com>,
       Kevin Hilman <khilman@deeprootsystems.com>,
       Aaro Koskinen <Aaro.Koskinen@nokia.com>,
       spi-devel-general@lists.sourceforge.net,
       gumstix-users@lists.sourceforge.net
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On Tue, Feb 23, 2010 at 9:36 PM, Scott Ellis <scott@jumpnowtek.com> wrote:
> Check spi->controller_state before dereferencing.
>
> Shows up NULL here when using spi_alloc_device()/spi_add_device()
> and spi_add_device() fails before spi_setup(). Calling spi_dev_put()
> on the leftover spi_device results in the error.

This should go to the linux-omap mailing list.

-- 
Felipe Contreras
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