[superm1:superm1/s4-at-s5 3/3] kernel/reboot.c:73:13: warning: variable 'shutdown_legacy' set but not used

[superm1:superm1/s4-at-s5 3/3] kernel/reboot.c:73:13: warning: variable 'shutdown_legacy' set but not used

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/superm1/linux.git superm1/s4-at-s5
head:   8dd92ed84c02d78694d091fcc20a976f096bb27e
commit: 8dd92ed84c02d78694d091fcc20a976f096bb27e [3/3] PM: Add shutdown=legacy command line option
config: s390-allmodconfig (https://download.01.org/0day-ci/archive/20261110/202611100819.4dLGt0dr-lkp@intel.com/config)
compiler: clang version 24.0.0git (https://github.com/llvm/llvm-project fc9576e3b179738d99c5babe5cd9d6c1f883e0db)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261110/202611100819.4dLGt0dr-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/202611100819.4dLGt0dr-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> kernel/reboot.c:73:13: warning: variable 'shutdown_legacy' set but not used [-Wunused-but-set-global]
      73 | static bool shutdown_legacy;
         |             ^
   1 warning generated.


vim +/shutdown_legacy +73 kernel/reboot.c

    65	
    66	/*
    67	 * This variable is used to indicate if a halt was initiated instead of a
    68	 * reboot when the reboot call was invoked with LINUX_REBOOT_CMD_POWER_OFF, but
    69	 * the system cannot be powered off. This allowes kernel_halt() to notify users
    70	 * of that.
    71	 */
    72	static bool poweroff_fallback_to_halt;
  > 73	static bool shutdown_legacy;
    74	

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