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Re: [PATCH 2/4] thermal: imx: Add support for reading OCOTP through nvmem

From Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Newsgroups linux.kernel
Subject Re: [PATCH 2/4] thermal: imx: Add support for reading OCOTP through nvmem
Date 2017-07-14 13:00 +0200
Message-ID <u36ue-2ge-37@gated-at.bofh.it> (permalink)
References <u1GVc-5yK-41@gated-at.bofh.it> <u2jtx-4CF-29@gated-at.bofh.it> <u2jtw-4CF-27@gated-at.bofh.it> <u34C6-Xc-17@gated-at.bofh.it> <u36uf-2ge-39@gated-at.bofh.it>
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On 14/07/17 11:49, Leonard Crestez wrote:
>>>> +	}
>>>> +	memcpy(val, buf, sizeof(*val));
>> This can overflow the memory allocated to val, we should be careful here
>> not to do so.
>> limit this to sizeof(u32) should be good. Also add some sanity checks to
>> make sure that len is atleast 4 bytes.
> I'm not sure what you mean, isn't this already done? There is an
> explicit check above that the read len is exactly as expected. It's
> just that the limit is written as sizeof(*val) rather than sizeof(u32).

Opps, I overlooked the type.. it looks okay.

thanks,
srini
> 

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Re: [PATCH 2/4] thermal: imx: Add support for reading OCOTP through  nvmem Shawn Guo <shawnguo@kernel.org> - 2017-07-12 08:40 +0200
  Re: [PATCH 2/4] thermal: imx: Add support for reading OCOTP through  nvmem Srinivas Kandagatla <srinivas.kandagatla@linaro.org> - 2017-07-14 11:00 +0200
    Re: [PATCH 2/4] thermal: imx: Add support for reading OCOTP through  nvmem Srinivas Kandagatla <srinivas.kandagatla@linaro.org> - 2017-07-14 13:00 +0200

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