[jlayton:nfsd-tracepoints 8/9] fs/nfsd/nfs4proc.c:797:2: warning: label at end of compound statement is a C23 extension

[jlayton:nfsd-tracepoints 8/9] fs/nfsd/nfs4proc.c:797:2: warning: label at end of compound statement is a C23 extension

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux.git nfsd-tracepoints
head:   7162c90c3e04a073c111a5821e529377ce2ab43f
commit: f1681c62918a99afaf3528b5332aa647740eb818 [8/9] nfsd: add tracepoints around nfsd_create events
config: x86_64-kexec (https://download.01.org/0day-ci/archive/20250309/202503090202.HOZ7XWRq-lkp@intel.com/config)
compiler: clang version 19.1.7 (https://github.com/llvm/llvm-project cd708029e0b2869e80abe31ddb175f7c35361f90)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250309/202503090202.HOZ7XWRq-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/202503090202.HOZ7XWRq-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from fs/nfsd/nfs4proc.c:42:
   In file included from include/linux/sunrpc/addr.h:14:
   In file included from include/net/ipv6.h:12:
   In file included from include/linux/ipv6.h:102:
   In file included from include/linux/tcp.h:17:
   In file included from include/linux/skbuff.h:17:
   In file included from include/linux/bvec.h:10:
   In file included from include/linux/highmem.h:8:
   In file included from include/linux/cacheflush.h:5:
   In file included from arch/x86/include/asm/cacheflush.h:5:
   In file included from include/linux/mm.h:2224:
   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: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 +
         |                            ~~~~~~~~~~~~~~~~~~~~~~
>> fs/nfsd/nfs4proc.c:797:2: warning: label at end of compound statement is a C23 extension [-Wc23-extensions]
     797 |         }
         |         ^
   4 warnings generated.


vim +797 fs/nfsd/nfs4proc.c

   778	
   779	static umode_t nfs_type_to_vfs_type(enum nfs_ftype4 nfstype)
   780	{
   781		switch (nfstype) {
   782		case NF4REG:
   783			return S_IFREG;
   784		case NF4DIR:
   785			return S_IFDIR;
   786		case NF4BLK:
   787			return S_IFBLK;
   788		case NF4CHR:
   789			return S_IFCHR;
   790		case NF4LNK:
   791			return S_IFLNK;
   792		case NF4SOCK:
   793			return S_IFSOCK;
   794		case NF4FIFO:
   795			return S_IFIFO;
   796		default:
 > 797		}
   798		return 0;
   799	}
   800	

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