Hi ChenXiaoSong, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: d281438782e3c28a3df71a64513a3312d43dcf01 commit: 2d5981287b67cc1a5d9231bff267f90001251ba3 [3529/3529] nfs/enfs: introduce DEFINE_CLEAR_LIST_FUNC to define enfs_clear_fs_info() config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20251211/202512110548.FQDvrNPq-lkp@i...) compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251211/202512110548.FQDvrNPq-lkp@i...) 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/202512110548.FQDvrNPq-lkp@intel.com/ All warnings (new ones prefixed by >>):

...

fs/nfs/enfs/shard_route.c:273: warning: Function parameter or member '__struct_name' not described in 'DEFINE_CLEAR_LIST_FUNC' fs/nfs/enfs/shard_route.c:273: warning: Function parameter or member '__list_name' not described in 'DEFINE_CLEAR_LIST_FUNC' fs/nfs/enfs/shard_route.c:273: warning: expecting prototype for enfs_clear_ ## __struct_name()(). Prototype was for DEFINE_CLEAR_LIST_FUNC() instead fs/nfs/enfs/shard_route.c:349: warning: Cannot understand * @return:0 for success,otherwise for failed on line 349 - I thought it was a doc line

vim +273 fs/nfs/enfs/shard_route.c 256 257 /** 258 * enfs_clear_ ## __struct_name() - delete and free all __struct_name from view_table 259 * @table: view table 260 * 261 * Context: protected by view_table write lock 262 * Return: None 263 */ 264 #define DEFINE_CLEAR_LIST_FUNC(__struct_name, __list_name) \ 265 static void enfs_clear_ ## __struct_name(struct view_table *table) \ 266 { \ 267 struct __struct_name *item, *tmp; \ 268 \ 269 list_for_each_entry_safe(item, tmp, &table->__list_name, next) {\ 270 list_del(&item->next); \ 271 kfree(item); \ 272 } \

273 } 274

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