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From: Antti Palosaari <crope@iki.fi>
To: HoP <jpetrous@gmail.com>
Cc: linux-media@vger.kernel.org
Subject: Re: [PATCH] cxd2820r: fix possible out-of-array lookup
Date: Sat, 23 Jul 2011 02:36:59 +0300	[thread overview]
Message-ID: <4E2A099B.2030601@iki.fi> (raw)
In-Reply-To: <4E2A0856.7050009@iki.fi>

On 07/23/2011 02:31 AM, Antti Palosaari wrote:
> On 07/23/2011 02:01 AM, HoP wrote:
>> 2011/7/23 Antti Palosaari<crope@iki.fi>:
>>> But now I see what you mean. msg2[1] is set as garbage fields in case of
>>> incoming msg len is 1. True, but it does not harm since it is not
>>> used in
>>> that case.
>>
>> In case of write, cxd2820r_tuner_i2c_xfer() gets msg[] parameter
>> with only one element, true? If so, then my patch is correct.
>
> Yes it is true but nonsense. It is also wrong to make always msg2 as two
> element array too, but those are just simpler and generates most likely
> some code less. Could you see it can cause problem in some case?

Now I thought it more, could it crash if it point out of memory area?


regards
Antti

-- 
http://palosaari.fi/

  reply	other threads:[~2011-07-22 23:37 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-07-22 22:18 [PATCH] cxd2820r: fix possible out-of-array lookup HoP
2011-07-22 22:37 ` Antti Palosaari
2011-07-22 22:47   ` HoP
2011-07-22 22:53     ` Antti Palosaari
2011-07-22 23:01       ` HoP
2011-07-22 23:31         ` Antti Palosaari
2011-07-22 23:36           ` Antti Palosaari [this message]
2011-07-22 23:47             ` HoP
2011-07-23  8:54               ` Malcolm Priestley
2011-07-23 15:10                 ` HoP
2011-07-25  8:15           ` HoP

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