[char-misc:char-misc-testing 98/99] drivers/misc/eeprom/at25.c:181:27: warning: field width specifier '*' expects argument of type 'int', but argument 3 has type 'long unsigned int'

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

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git char-misc-testing
head:   63879e2964bceee2aa5bbe8b99ea58bba28bb64f
commit: fd307a4ad332ef50be5569c92490219e7cd84ce5 [98/99] nvmem: prepare basics for FRAM support
config: x86_64-allyesconfig (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git/commit/?id=fd307a4ad332ef50be5569c92490219e7cd84ce5
        git remote add char-misc https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git
        git fetch --no-tags char-misc char-misc-testing
        git checkout fd307a4ad332ef50be5569c92490219e7cd84ce5
        # save the attached .config to linux build tree
        make W=1 ARCH=x86_64 

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 >>):

   drivers/misc/eeprom/at25.c: In function 'sernum_show':
>> drivers/misc/eeprom/at25.c:181:27: warning: field width specifier '*' expects argument of type 'int', but argument 3 has type 'long unsigned int' [-Wformat=]
     181 |  return sysfs_emit(buf, "%*ph\n", sizeof(at25->sernum), at25->sernum);
         |                          ~^~      ~~~~~~~~~~~~~~~~~~~~
         |                           |       |
         |                           int     long unsigned int
   drivers/misc/eeprom/at25.c: In function 'at25_probe':
>> drivers/misc/eeprom/at25.c:386:13: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
     386 |   is_fram = (int)match->data;
         |             ^


vim +181 drivers/misc/eeprom/at25.c

   175	
   176	static ssize_t sernum_show(struct device *dev, struct device_attribute *attr, char *buf)
   177	{
   178		struct at25_data *at25;
   179	
   180		at25 = dev_get_drvdata(dev);
 > 181		return sysfs_emit(buf, "%*ph\n", sizeof(at25->sernum), at25->sernum);
   182	}
   183	static DEVICE_ATTR_RO(sernum);
   184	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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