[dtor-input:next 188/188] drivers/input/input.c:1489:9: warning: comparison of distinct pointer types ('typeof (len) *' (aka 'unsigned int *') and 'typeof (((1UL) << 12)) *' (aka 'unsigned long *'))

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

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/dtor/input.git next
head:   c1307f8a152ac69f7efb759edfb8d71b4aa228f4
commit: c1307f8a152ac69f7efb759edfb8d71b4aa228f4 [188/188] Input: try trimming too long modalias strings
config: arm-allnoconfig (https://download.01.org/0day-ci/archive/20240520/202405200547.y7iHuRu6-lkp@intel.com/config)
compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project fa9b1be45088dce1e4b602d451f118128b94237b)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240520/202405200547.y7iHuRu6-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202405200547.y7iHuRu6-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/input/input.c:1489:9: warning: comparison of distinct pointer types ('typeof (len) *' (aka 'unsigned int *') and 'typeof (((1UL) << 12)) *' (aka 'unsigned long *')) [-Wcompare-distinct-pointer-types]
    1489 |         return min(len, PAGE_SIZE);
         |                ^~~~~~~~~~~~~~~~~~~
   include/linux/minmax.h:67:19: note: expanded from macro 'min'
      67 | #define min(x, y)       __careful_cmp(x, y, <)
         |                         ^~~~~~~~~~~~~~~~~~~~~~
   include/linux/minmax.h:36:24: note: expanded from macro '__careful_cmp'
      36 |         __builtin_choose_expr(__safe_cmp(x, y), \
         |                               ^~~~~~~~~~~~~~~~
   include/linux/minmax.h:26:4: note: expanded from macro '__safe_cmp'
      26 |                 (__typecheck(x, y) && __no_side_effects(x, y))
         |                  ^~~~~~~~~~~~~~~~~
   include/linux/minmax.h:20:28: note: expanded from macro '__typecheck'
      20 |         (!!(sizeof((typeof(x) *)1 == (typeof(y) *)1)))
         |                    ~~~~~~~~~~~~~~ ^  ~~~~~~~~~~~~~~
   1 warning generated.


vim +1489 drivers/input/input.c

  1477	
  1478	static ssize_t input_dev_show_modalias(struct device *dev,
  1479					       struct device_attribute *attr,
  1480					       char *buf)
  1481	{
  1482		struct input_dev *id = to_input_dev(dev);
  1483		size_t len;
  1484	
  1485		len = input_print_modalias(buf, PAGE_SIZE, id);
  1486		if (len < PAGE_SIZE - 2)
  1487			len += snprintf(buf + len, PAGE_SIZE - len, "\n");
  1488	
> 1489		return min(len, PAGE_SIZE);
  1490	}
  1491	static DEVICE_ATTR(modalias, S_IRUGO, input_dev_show_modalias, NULL);
  1492	

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