tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   aaa11ce2ffc84166d11c4d2ac88c3fcf75425fbd
commit: f6f6f9a01374f264b1a6a04d22f330e815bbd471 [8598/9680] thermal/intel/int340x: Replace parameter to simplify
config: x86_64-randconfig-a012-20220926
compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=f6f6f9a01374f264b1a6a04d22f330e815bbd471
        git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
        git fetch --no-tags linux-next master
        git checkout f6f6f9a01374f264b1a6a04d22f330e815bbd471
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/thermal/intel/int340x_thermal/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

>> drivers/thermal/intel/int340x_thermal/int340x_thermal_zone.c:222:6: warning: variable 'ret' is used uninitialized whenever 'if' condition is true [-Wsometimes-uninitialized]
           if (!int34x_thermal_zone->ops)
               ^~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/thermal/intel/int340x_thermal/int340x_thermal_zone.c:279:17: note: uninitialized use occurs here
           return ERR_PTR(ret);
                          ^~~
   drivers/thermal/intel/int340x_thermal/int340x_thermal_zone.c:222:2: note: remove the 'if' if its condition is always false
           if (!int34x_thermal_zone->ops)
           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/thermal/intel/int340x_thermal/int340x_thermal_zone.c:211:9: note: initialize the variable 'ret' to silence this warning
           int ret;
                  ^
                   = 0
   1 warning generated.


vim +222 drivers/thermal/intel/int340x_thermal/int340x_thermal_zone.c

   203	
   204	struct int34x_thermal_zone *int340x_thermal_zone_add(struct acpi_device *adev,
   205							     int (*get_temp) (struct thermal_zone_device *, int *))
   206	{
   207		struct int34x_thermal_zone *int34x_thermal_zone;
   208		acpi_status status;
   209		unsigned long long trip_cnt;
   210		int trip_mask = 0;
   211		int ret;
   212	
   213		int34x_thermal_zone = kzalloc(sizeof(*int34x_thermal_zone),
   214					      GFP_KERNEL);
   215		if (!int34x_thermal_zone)
   216			return ERR_PTR(-ENOMEM);
   217	
   218		int34x_thermal_zone->adev = adev;
   219	
   220		int34x_thermal_zone->ops = kmemdup(&int340x_thermal_zone_ops,
   221						   sizeof(int340x_thermal_zone_ops), GFP_KERNEL);
 > 222		if (!int34x_thermal_zone->ops)
   223			goto err_ops_alloc;
   224	
   225		if (get_temp)
   226			int34x_thermal_zone->ops->get_temp = get_temp;
   227	
   228		status = acpi_evaluate_integer(adev->handle, "PATC", NULL, &trip_cnt);
   229		if (ACPI_FAILURE(status))
   230			trip_cnt = 0;
   231		else {
   232			int i;
   233	
   234			int34x_thermal_zone->aux_trips =
   235				kcalloc(trip_cnt,
   236					sizeof(*int34x_thermal_zone->aux_trips),
   237					GFP_KERNEL);
   238			if (!int34x_thermal_zone->aux_trips) {
   239				ret = -ENOMEM;
   240				goto err_trip_alloc;
   241			}
   242			trip_mask = BIT(trip_cnt) - 1;
   243			int34x_thermal_zone->aux_trip_nr = trip_cnt;
   244			for (i = 0; i < trip_cnt; ++i)
   245				int34x_thermal_zone->aux_trips[i] = THERMAL_TEMP_INVALID;
   246		}
   247	
   248		trip_cnt = int340x_thermal_read_trips(int34x_thermal_zone);
   249	
   250		int34x_thermal_zone->lpat_table = acpi_lpat_get_conversion_table(
   251									adev->handle);
   252	
   253		int34x_thermal_zone->zone = thermal_zone_device_register(
   254							acpi_device_bid(adev),
   255							trip_cnt,
   256							trip_mask, int34x_thermal_zone,
   257							int34x_thermal_zone->ops,
   258							&int340x_thermal_params,
   259							0, 0);
   260		if (IS_ERR(int34x_thermal_zone->zone)) {
   261			ret = PTR_ERR(int34x_thermal_zone->zone);
   262			goto err_thermal_zone;
   263		}
   264		ret = thermal_zone_device_enable(int34x_thermal_zone->zone);
   265		if (ret)
   266			goto err_enable;
   267	
   268		return int34x_thermal_zone;
   269	
   270	err_enable:
   271		thermal_zone_device_unregister(int34x_thermal_zone->zone);
   272	err_thermal_zone:
   273		acpi_lpat_free_conversion_table(int34x_thermal_zone->lpat_table);
   274		kfree(int34x_thermal_zone->aux_trips);
   275	err_trip_alloc:
   276		kfree(int34x_thermal_zone->ops);
   277	err_ops_alloc:
   278		kfree(int34x_thermal_zone);
   279		return ERR_PTR(ret);
   280	}
   281	EXPORT_SYMBOL_GPL(int340x_thermal_zone_add);
   282	

-- 
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