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SubjectRE: sound/soc/intel/catpt/loader.c:654 catpt_first_boot_firmware() warn: consider using resource_size() here
Date
On 2020-11-23 11:53 AM, Andy Shevchenko wrote:
> On Sun, Nov 22, 2020 at 03:52:27AM +0800, kernel test robot wrote:
>> tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
>> head: 27bba9c532a8d21050b94224ffd310ad0058c353
>> commit: 6cbfa11d2694b8a1e46d6834fb9705d5589e3ef1 ASoC: Intel: Select catpt and deprecate haswell
>> date: 7 weeks ago
>> config: x86_64-randconfig-m001-20201122 (attached as .config)
>> compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
>>
>> If you fix the issue, kindly add following tag as appropriate
>> Reported-by: kernel test robot <lkp@intel.com>
>>
>> smatch warnings:
>> sound/soc/intel/catpt/loader.c:654 catpt_first_boot_firmware() warn: consider using resource_size() here
>
> ...
>
>> a9aa6fb3eb6c7e Cezary Rojewski 2020-09-29 652 for (res = cdev->dram.child; res->sibling; res = res->sibling)
>> a9aa6fb3eb6c7e Cezary Rojewski 2020-09-29 653 ;
>> a9aa6fb3eb6c7e Cezary Rojewski 2020-09-29 @654 __request_region(&cdev->dram, res->end + 1,
>
>
> This sounds like false positive. From where it gets the idea of resource_size()
> for the *start* offset?!
>

Indeed it is false positive. I've already explained this in:

RE: [bug report] ASoC: Intel: catpt: Firmware loading and context restore
https://www.spinics.net/lists/alsa-devel/msg117145.html

Regards,
Czarek

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