From mboxrd@z Thu Jan  1 00:00:00 1970
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From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: kbuild-all@lists.01.org
Subject: Re: sound/soc/intel/catpt/loader.c:654 catpt_first_boot_firmware() warn: consider using resource_size() here
Date: Mon, 23 Nov 2020 12:53:17 +0200
Message-ID: <20201123105317.GZ4077@smile.fi.intel.com>
In-Reply-To: <202011220325.oB7oeTEq-lkp@intel.com>
List-Id: <oe-kbuild-all.lists.linux.dev>

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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.gi=
t master
> head:   27bba9c532a8d21050b94224ffd310ad0058c353
> commit: 6cbfa11d2694b8a1e46d6834fb9705d5589e3ef1 ASoC: Intel: Select catp=
t 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: cons=
ider using resource_size() here

...

> a9aa6fb3eb6c7e Cezary Rojewski 2020-09-29  652  	for (res =3D cdev->dram.=
child; res->sibling; res =3D 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_si=
ze()
for the *start* offset?!

-- =

With Best Regards,
Andy Shevchenko


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