Re: [PATCH 1/2] of: base: Fix phandle argument length mismatch error message

[kernel test robot <lkp@intel.com>]

Hi Baruch,

I love your patch! Perhaps something to improve:

[auto build test WARNING on robh/for-next]
[also build test WARNING on v5.16-rc6 next-20211220]
[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]

url:    https://github.com/0day-ci/linux/commits/Baruch-Siach/of-base-Fix-phandle-argument-length-mismatch-error-message/20211221-165314
base:   https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next
config: mips-allyesconfig (https://download.01.org/0day-ci/archive/20211221/202112212255.C7mbbAHi-lkp@intel.com/config)
compiler: mips-linux-gcc (GCC) 11.2.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/0day-ci/linux/commit/2308f6de78c852efe475dcb275b3236b185b03f5
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Baruch-Siach/of-base-Fix-phandle-argument-length-mismatch-error-message/20211221-165314
        git checkout 2308f6de78c852efe475dcb275b3236b185b03f5
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=mips SHELL=/bin/bash drivers/of/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

   In file included from include/asm-generic/bug.h:22,
                    from arch/mips/include/asm/bug.h:42,
                    from include/linux/bug.h:5,
                    from arch/mips/include/asm/cmpxchg.h:11,
                    from arch/mips/include/asm/atomic.h:22,
                    from include/linux/atomic.h:7,
                    from include/linux/console.h:17,
                    from drivers/of/base.c:20:
   drivers/of/base.c: In function 'of_phandle_iterator_next':
>> include/linux/kern_levels.h:5:25: warning: format '%ld' expects argument of type 'long int', but argument 5 has type 'int' [-Wformat=]
       5 | #define KERN_SOH        "\001"          /* ASCII Start Of Header */
         |                         ^~~~~~
   include/linux/printk.h:418:25: note: in definition of macro 'printk_index_wrap'
     418 |                 _p_func(_fmt, ##__VA_ARGS__);                           \
         |                         ^~~~
   include/linux/printk.h:489:9: note: in expansion of macro 'printk'
     489 |         printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__)
         |         ^~~~~~
   include/linux/kern_levels.h:11:25: note: in expansion of macro 'KERN_SOH'
      11 | #define KERN_ERR        KERN_SOH "3"    /* error conditions */
         |                         ^~~~~~~~
   include/linux/printk.h:489:16: note: in expansion of macro 'KERN_ERR'
     489 |         printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__)
         |                ^~~~~~~~
   drivers/of/base.c:1379:25: note: in expansion of macro 'pr_err'
    1379 |                         pr_err("%pOF: %s = %d found %ld\n",
         |                         ^~~~~~


vim +5 include/linux/kern_levels.h

314ba3520e513a Joe Perches 2012-07-30  4  
04d2c8c83d0e3a Joe Perches 2012-07-30 @5  #define KERN_SOH	"\001"		/* ASCII Start Of Header */
04d2c8c83d0e3a Joe Perches 2012-07-30  6  #define KERN_SOH_ASCII	'\001'
04d2c8c83d0e3a Joe Perches 2012-07-30  7  

---
0-DAY CI Kernel Test Service, Intel Corporation
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