linux-kernel - Re: [PATCH] touchscreen: check kzalloc memory for data first

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Message-id: <4DC9FC8F.7020305@samsung.com>
Date:	Wed, 11 May 2011 12:03:43 +0900
From:	Joonyoung Shim <jy0922.shim@...sung.com>
To:	Steven Liu <lingjiujianke@...il.com>
Cc:	linux-kernel@...r.kernel.org, linux-input@...r.kernel.org,
	dmitry.torokhov@...il.com, liuqi@...nderst.com
Subject: Re: [PATCH] touchscreen: check kzalloc memory for data first

Hi, Steven.

On 2011-05-11 오전 11:23, Steven Liu wrote:
> Hi Joonyoung Shim ,
>
>              Can this patch be fixed in?
>
>
> if kzalloc memroy for data was faild, it will multi free data
> memory space. so check the data memory first, is it kzalloc faild
> for data, it should goto end and do nothing.
>

Hmm, I don't think this patch needs. If you see the codes, there is no
multi free data memory, just free data and input_dev. This both free
are no problem because when the pointer is NULL, no operation is
perfomed in the free function.

Thanks.
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