linux-kernel - Re: [stable] [PATCH v2] pch_phub: Don't oops if dmi_get_system

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Message-ID: <20110616143459.GA28928@kroah.com>
Date:	Thu, 16 Jun 2011 07:34:59 -0700
From:	Greg KH <greg@...ah.com>
To:	Alexander Stein <alexander.stein@...tec-electronic.com>
Cc:	Greg Kroah-Hartman <gregkh@...e.de>,
	Tomoya MORINAGA <tomoya-linux@....okisemi.com>,
	Andrew Morton <akpm@...ux-foundation.org>, stable@...nel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [stable] [PATCH v2] pch_phub: Don't oops if dmi_get_system_info
 returns NULL

On Thu, Jun 16, 2011 at 09:05:24AM +0200, Alexander Stein wrote:
> If dmi_get_system_info() returns NULL, pch_phub_probe() will
> dereferencea a zero pointer.
> 
> This oops was observed on an Atom based board which has no BIOS, but
> a bootloder which doesn't privde DMI data.
> 
> Signed-off-by: Alexander Stein <alexander.stein@...tec-electronic.com>
> ---
> Changes in v2:
> * Adjust summary
> * Commit message is more verbose
> 
>  drivers/misc/pch_phub.c |    5 ++++-
>  1 files changed, 4 insertions(+), 1 deletions(-)

<formletter>

This is not the correct way to submit patches for inclusion in the
stable kernel tree.  Please read Documentation/stable_kernel_rules.txt
for how to do this properly.

</formletter>
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