linux-kernel - Re: [PATCH V1] firmware: tegra: fix error application of sizeof to pointer

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Date:   Sat, 4 Dec 2021 08:01:35 +0000
From:   Jon Hunter <jonathanh@...dia.com>
To:     Thierry Reding <thierry.reding@...il.com>, cgel.zte@...il.com
Cc:     arnd@...db.de, lv.ruyi@....com.cn, linux-tegra@...r.kernel.org,
        linux-kernel@...r.kernel.org, Zeal Robot <zealci@....com.cn>
Subject: Re: [PATCH V1] firmware: tegra: fix error application of sizeof to
 pointer

Hi Thierry,

On 18/10/2021 15:06, Thierry Reding wrote:
> On Sat, Oct 09, 2021 at 08:59:00AM +0000, cgel.zte@...il.com wrote:
>> From: Lv Ruyi <lv.ruyi@....com.cn>
>>
>> Application of sizeof to pointer yields the number of bytes of the pointer,
>> but it should use the length of buffer in the code.
>>
>> Reported-by: Zeal Robot <zealci@....com.cn>
>> Signed-off-by: Lv Ruyi <lv.ruyi@....com.cn>
>> ---
>>   drivers/firmware/tegra/bpmp-debugfs.c | 5 +++--
>>   1 file changed, 3 insertions(+), 2 deletions(-)
> 
> Applied, thanks.


We need to apply this as a fix for v5.16. I am still seeing a failure 
for reading the BPMP debugfs on v5.16-rc3.

Jon

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