Re: [PATCH v9 6/6] iio: imu: st_lsm6dsx: Add support for rotation sensor

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

Hi Francesco,

kernel test robot noticed the following build warnings:

[auto build test WARNING on next-20260323]
[cannot apply to jic23-iio/togreg linus/master v7.0-rc5 v7.0-rc4 v7.0-rc3 v7.0-rc5]
[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/Francesco-Lavra/iio-imu-st_lsm6dsx-Fix-check-for-invalid-samples-from-FIFO/20260325-021519
base:   next-20260323
patch link:    https://lore.kernel.org/r/20260324084808.654118-1-flavra%40baylibre.com
patch subject: [PATCH v9 6/6] iio: imu: st_lsm6dsx: Add support for rotation sensor
config: arm-randconfig-001-20260326 (https://download.01.org/0day-ci/archive/20260326/202603260457.MZI9sXnu-lkp@intel.com/config)
compiler: clang version 23.0.0git (https://github.com/llvm/llvm-project 054e11d1a17e5ba88bb1a8ef32fad3346e80b186)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260326/202603260457.MZI9sXnu-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/202603260457.MZI9sXnu-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_fusion.c:138:1: warning: label at end of compound statement is a C23 extension [-Wc23-extensions]
     138 | }
         | ^
>> drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_fusion.c:137:1: warning: unused label 'out' [-Wunused-label]
     137 | out:
         | ^~~~
   2 warnings generated.


vim +138 drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_fusion.c

   117	
   118	int st_lsm6dsx_fusion_set_odr(struct st_lsm6dsx_sensor *sensor, bool enable)
   119	{
   120		struct st_lsm6dsx_hw *hw = sensor->hw;
   121		int err;
   122	
   123		guard(mutex)(&hw->page_lock);
   124	
   125		err = st_lsm6dsx_fusion_page_enable(hw);
   126		if (err)
   127			return err;
   128	
   129		err = st_lsm6dsx_fusion_set_odr_locked(sensor, enable);
   130		if (err) {
   131			st_lsm6dsx_fusion_page_disable(hw);
   132			return err;
   133		}
   134	
   135		return st_lsm6dsx_fusion_page_disable(hw);
   136	
 > 137	out:
 > 138	}
   139	

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