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SubjectRe: [kbuild-all] Re: sound/soc/intel/catpt/loader.c:654 catpt_first_boot_firmware() warn: consider using resource_size() here
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On 11/23/20 7:41 PM, Rojewski, Cezary wrote:
> 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

Hi all,

Thanks a lot, we'll ignore the warning next time.

Best Regards,
Rong Chen

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