[arm-platforms:kvm-arm64/nv-gic 12/12] arch/arm64/kvm/vgic/vgic-v3-nested.c:116:1: warning: non-void function does not return a value

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git kvm-arm64/nv-gic
head:   cd3fedf7137034ee2858afe5fabf24784d0b3919
commit: cd3fedf7137034ee2858afe5fabf24784d0b3919 [12/12] WIP
config: arm64-allmodconfig (https://download.01.org/0day-ci/archive/20241129/202411290026.Q8iUaHa3-lkp@intel.com/config)
compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project 592c0fe55f6d9a811028b5f3507be91458ab2713)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241129/202411290026.Q8iUaHa3-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/202411290026.Q8iUaHa3-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from arch/arm64/kvm/vgic/vgic-v3-nested.c:5:
   In file included from include/linux/kvm_host.h:16:
   In file included from include/linux/mm.h:2213:
   include/linux/vmstat.h:504:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
     504 |         return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~ ^
     505 |                            item];
         |                            ~~~~
   include/linux/vmstat.h:511:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
     511 |         return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~ ^
     512 |                            NR_VM_NUMA_EVENT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~~
   include/linux/vmstat.h:518:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
     518 |         return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
         |                               ~~~~~~~~~~~ ^ ~~~
   include/linux/vmstat.h:524:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
     524 |         return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~ ^
     525 |                            NR_VM_NUMA_EVENT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~~
>> arch/arm64/kvm/vgic/vgic-v3-nested.c:116:1: warning: non-void function does not return a value [-Wreturn-type]
     116 | }
         | ^
   arch/arm64/kvm/vgic/vgic-v3-nested.c:114:13: warning: unused function 'vgic_v3_get_mi_level' [-Wunused-function]
     114 | static bool vgic_v3_get_mi_level(int intid)
         |             ^~~~~~~~~~~~~~~~~~~~
   6 warnings generated.


vim +116 arch/arm64/kvm/vgic/vgic-v3-nested.c

   113	
   114	static bool vgic_v3_get_mi_level(int intid)
   115	{
 > 116	}
   117	

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