[android-common:android17-6.18-kminext 0/1] drivers/misc/eeprom/m24lr.c:346:24: sparse: sparse: cast to restricted __le32

[android-common:android17-6.18-kminext 0/1] drivers/misc/eeprom/m24lr.c:346:24: sparse: sparse: cast to restricted __le32

[kernel test robot]

tree:   https://android.googlesource.com/kernel/common android17-6.18-kminext
head:   a9580b7485bbf58d7b44b7d51e15c8ebe1cea327
commit: cd5c5e0231c538a5d2d4a73f3b3ffc77ff08449c [0/1] eeprom: add driver for ST M24LR series RFID/NFC EEPROM chips
config: i386-randconfig-2300-20261105 (https://download.01.org/0day-ci/archive/20261106/202611060150.ba9d5Xcf-lkp@intel.com/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
sparse: v0.6.5-rc1-21-g84ec0658
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261106/202611060150.ba9d5Xcf-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
| Fixes: cd5c5e0231c5 ("eeprom: add driver for ST M24LR series RFID/NFC EEPROM chips")
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202611060150.ba9d5Xcf-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
   drivers/misc/eeprom/m24lr.c:343:24: sparse: sparse: cast to restricted __le16
   drivers/misc/eeprom/m24lr.c:343:24: sparse: sparse: cast from restricted __le64
>> drivers/misc/eeprom/m24lr.c:346:24: sparse: sparse: cast to restricted __le32
   drivers/misc/eeprom/m24lr.c:346:24: sparse: sparse: cast from restricted __le64

vim +346 drivers/misc/eeprom/m24lr.c

   323	
   324	static ssize_t m24lr_read_reg_le(struct m24lr *m24lr, u64 *val,
   325					 unsigned int reg_addr,
   326					 unsigned int reg_size)
   327	{
   328		ssize_t ret;
   329		__le64 input = 0;
   330	
   331		ret = m24lr_read(m24lr, (u8 *)&input, reg_size, reg_addr, false);
   332		if (IS_ERR_VALUE(ret))
   333			return ret;
   334	
   335		if (ret != reg_size)
   336			return -EINVAL;
   337	
   338		switch (reg_size) {
   339		case 1:
   340			*val = *(u8 *)&input;
   341			break;
   342		case 2:
   343			*val = le16_to_cpu((__le16)input);
   344			break;
   345		case 4:
 > 346			*val = le32_to_cpu((__le32)input);
   347			break;
   348		case 8:
   349			*val = le64_to_cpu((__le64)input);
   350			break;
   351		default:
   352			return -EINVAL;
   353		};
   354	
   355		return 0;
   356	}
   357	

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