linux-kernel - Re: [PATCH] usb: ehci-s5p: fix: Fix null pointer dereferencing

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Message-ID: <CAFp+6iE1Ei=B7+XfZghVivwQ5zdbCnuG+F=qdLX3P19Xo9QdYg@mail.gmail.com>
Date:	Tue, 9 Apr 2013 18:32:27 +0530
From:	Vivek Gautam <gautamvivek1987@...il.com>
To:	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
Cc:	Vivek Gautam <gautam.vivek@...sung.com>, linux-usb@...r.kernel.org,
	linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org,
	gregkh@...uxfoundation.org, stern@...land.harvard.edu,
	kgene.kim@...sung.com,
	Manjunath Goudar <manjunath.goudar@...aro.org>,
	Arnd Bergmann <arnd@...db.de>, Jingoo Han <jg1.han@...sung.com>
Subject: Re: [PATCH] usb: ehci-s5p: fix: Fix null pointer dereferencing

Hi,


On Tue, Apr 9, 2013 at 6:01 PM, Sergei Shtylyov
<sergei.shtylyov@...entembedded.com> wrote:
> Hello.
>
>
> On 09-04-2013 13:21, Vivek Gautam wrote:
>
>> 7edb3da makes ehci-s5p as a separate driver. But,
>
>
>    Please also provide the summary line of that commit in parens.

Sure, will add the commit line of that patch.

>
>
>> it raised an issue with its driver data.
>> Now that 's5p_ehci_hcd' doesn't maintain pointer to 'usb_hcd'
>> and s5p_ehci is nothing but a pointer to hcd->priv;
>> add hcd to the driver data rather than s5p_ehci.
>
>
>> This fixes issues with null pointer dereferencing in
>> s5p_ehci_shutdown(), s5p_ehci_suspend(), s5p_ehci_resume().
>
>
>> Signed-off-by: Vivek Gautam <gautam.vivek@...sung.com>
>> CC: Manjunath Goudar <manjunath.goudar@...aro.org>
>> CC: Arnd Bergmann <arnd@...db.de>
>> CC: Jingoo Han <jg1.han@...sung.com>
>
>
> WBR, Sergei



-- 
Thanks & Regards
Vivek
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