Hi Ivan,

kernel test robot noticed the following build warnings:

[auto build test WARNING on net-next/main]

url:    
https://github.com/intel-lab-lkp/linux/commits/Ivan-Vecera/dt-bindings-dpll-add-common-dpll-pin-consumer-schema/20260109-022618
base:   net-next/main
patch link:    
https://lore.kernel.org/r/20260108182318.20935-7-ivecera%40redhat.com
patch subject: [Intel-wired-lan] [PATCH net-next 06/12] dpll: Support dynamic 
pin index allocation
config: x86_64-rhel-9.4 
(https://download.01.org/0day-ci/archive/20260110/[email protected]/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
reproduce (this is a W=1 build): 
(https://download.01.org/0day-ci/archive/20260110/[email protected]/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 <[email protected]>
| Closes: 
https://lore.kernel.org/oe-kbuild-all/[email protected]/

All warnings (new ones prefixed by >>):

   drivers/dpll/dpll_core.c: In function 'dpll_pin_idx_free':
>> drivers/dpll/dpll_core.c:499:28: warning: integer overflow in expression of 
>> type 'int' results in '-2147483648' [-Woverflow]
     499 |         pin_idx -= INT_MAX + 1;
         |                            ^


vim +499 drivers/dpll/dpll_core.c

   490  
   491  static void dpll_pin_idx_free(u32 pin_idx)
   492  {
   493          if (pin_idx <= INT_MAX)
   494                  return; /* Not a dynamic pin index */
   495  
   496          /* Map the index value from dynamic pin index range to IDA 
range and
   497           * free it.
   498           */
 > 499          pin_idx -= INT_MAX + 1;
   500          ida_free(&dpll_pin_idx_ida, pin_idx);
   501  }
   502  

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki

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