linux-kernel - Re: [PATCH v1 1/1] spi: Introduce spi_get_device_match

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Thu, 22 Sep 2022 13:34:40 +0800
From:   kernel test robot <lkp@...el.com>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Mark Brown <broonie@...nel.org>, linux-spi@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     kbuild-all@...ts.01.org, Wei Yongjun <weiyongjun@...weicloud.com>,
        Jonathan Cameron <jic23@...nel.org>, linux-iio@...r.kernel.org,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: Re: [PATCH v1 1/1] spi: Introduce spi_get_device_match_data() helper

Hi Andy,

I love your patch! Perhaps something to improve:

[auto build test WARNING on broonie-spi/for-next]
[also build test WARNING on linus/master v6.0-rc6 next-20220921]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Andy-Shevchenko/spi-Introduce-spi_get_device_match_data-helper/20220922-044658
base:   https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git for-next
config: s390-randconfig-s031-20220921 (https://download.01.org/0day-ci/archive/20220922/202209221302.UKxElkNH-lkp@intel.com/config)
compiler: s390-linux-gcc (GCC) 12.1.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # apt-get install sparse
        # sparse version: v0.6.4-39-gce1a6720-dirty
        # https://github.com/intel-lab-lkp/linux/commit/4d7a10e29738f98137b08b2dcc0297535dd92a11
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Andy-Shevchenko/spi-Introduce-spi_get_device_match_data-helper/20220922-044658
        git checkout 4d7a10e29738f98137b08b2dcc0297535dd92a11
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=s390 SHELL=/bin/bash drivers/spi/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>

sparse warnings: (new ones prefixed by >>)
>> drivers/spi/spi.c:367:40: sparse: sparse: incorrect type in argument 1 (different modifiers) @@     expected struct device *dev @@     got struct device const * @@
   drivers/spi/spi.c:367:40: sparse:     expected struct device *dev
   drivers/spi/spi.c:367:40: sparse:     got struct device const *

vim +367 drivers/spi/spi.c

   362	
   363	const void *spi_get_device_match_data(const struct spi_device *sdev)
   364	{
   365		const void *match;
   366	
 > 367		match = device_get_match_data(&sdev->dev);
   368		if (match)
   369			return match;
   370	
   371		return (const void *)spi_get_device_id(sdev)->driver_data;
   372	}
   373	EXPORT_SYMBOL_GPL(spi_get_device_match_data);
   374	

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp