[lvc-project] [PATCH v1] usb: isp1760: increase buffer size to avoid overflow

[kernel test robot]

Hi Alexey,

kernel test robot noticed the following build warnings:

[auto build test WARNING on usb/usb-testing]
[also build test WARNING on usb/usb-next usb/usb-linus linus/master v6.15-rc3 next-20250424]
[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/Alexey-V-Vissarionov/usb-isp1760-increase-buffer-size-to-avoid-overflow/20250423-191222
base:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing
patch link:    https://lore.kernel.org/r/20250423111040.GC857%40altlinux.org
patch subject: [PATCH v1] usb: isp1760: increase buffer size to avoid overflow
config: i386-buildonly-randconfig-001-20250424 (https://download.01.org/0day-ci/archive/20250424/202504241715.9VNxWTQq-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250424/202504241715.9VNxWTQq-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 at intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202504241715.9VNxWTQq-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from drivers/usb/isp1760/isp1760-hcd.h:8,
                    from drivers/usb/isp1760/isp1760-core.h:21,
                    from drivers/usb/isp1760/isp1760-udc.c:22:
>> drivers/usb/isp1760/isp1760-regs.h:271:23: warning: comparison between 'enum isp176x_device_controller_fields' and 'enum isp176x_host_controller_fields' [-Wenum-compare]
     271 |         (DC_FIELD_MAX > HC_FIELD_MAX ? DC_FIELD_MAX : HC_FIELD_MAX)
         |                       ^
   drivers/usb/isp1760/isp1760-hcd.h:53:41: note: in expansion of macro 'DC_HC_FIELD_MAX'
      53 |         struct regmap_field     *fields[DC_HC_FIELD_MAX];
         |                                         ^~~~~~~~~~~~~~~
>> drivers/usb/isp1760/isp1760-regs.h:271:23: warning: comparison between 'enum isp176x_device_controller_fields' and 'enum isp176x_host_controller_fields' [-Wenum-compare]
     271 |         (DC_FIELD_MAX > HC_FIELD_MAX ? DC_FIELD_MAX : HC_FIELD_MAX)
         |                       ^
   drivers/usb/isp1760/isp1760-udc.h:72:37: note: in expansion of macro 'DC_HC_FIELD_MAX'
      72 |         struct regmap_field *fields[DC_HC_FIELD_MAX];
         |                                     ^~~~~~~~~~~~~~~


vim +271 drivers/usb/isp1760/isp1760-regs.h

   269	
   270	#define	DC_HC_FIELD_MAX	\
 > 271		(DC_FIELD_MAX > HC_FIELD_MAX ? DC_FIELD_MAX : HC_FIELD_MAX)
   272	

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