[kbuild-all] [smfrench-smb3-kernel:cifsd-for-next-ss 1/37] fs/cifsd/smb_common.c:258:9: warning: variable 'proto' set but not used

tree: git://github.com/smfrench/smb3-kernel.git cifsd-for-next-ss head: c64812e390079df755f48aa1fbb613c73846a38e commit: 1962fa7df128499a7a17c381204023e5c8c11d21 [1/37] cifsd: introduce SMB3 kernel server config: arc-allyesconfig (attached as .config) compiler: arceb-elf-gcc (GCC) 9.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/smfrench/smb3-kernel/commit/1962fa7df128499a7a17c38120... git remote add smfrench-smb3-kernel git://github.com/smfrench/smb3-kernel.git git fetch --no-tags smfrench-smb3-kernel cifsd-for-next-ss git checkout 1962fa7df128499a7a17c381204023e5c8c11d21 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): fs/cifsd/smb_common.c: In function 'ksmbd_init_smb_server': 258 | __le32 proto; | ^~~~~ -- fs/cifsd/smb2pdu.c: In function 'smb2_open': 2326 | *mxac_ccontext = NULL, *disk_id_ccontext = NULL; | ^~~~~~~~~~~~~~~~ fs/cifsd/smb2pdu.c: In function 'smb2_notify': 7595 | struct smb2_notify_rsp *rsp, *rsp_org; | ^~~~~~~ In file included from include/linux/perf_event.h:25, from include/linux/trace_events.h:10, from include/trace/syscall.h:7, from include/linux/syscalls.h:85, from fs/cifsd/smb2pdu.c:9: At top level: arch/arc/include/asm/perf_event.h:126:23: warning: 'arc_pmu_cache_map' defined but not used [-Wunused-const-variable=] 126 | static const unsigned arc_pmu_cache_map[C(MAX)][C(OP_MAX)][C(RESULT_MAX)] = { | ^~~~~~~~~~~~~~~~~ arch/arc/include/asm/perf_event.h:91:27: warning: 'arc_pmu_ev_hw_map' defined but not used [-Wunused-const-variable=] 91 | static const char * const arc_pmu_ev_hw_map[] = { | ^~~~~~~~~~~~~~~~~ vim +/proto +258 fs/cifsd/smb_common.c 252 253 #define SMB_COM_NEGOTIATE 0x72 254 int ksmbd_init_smb_server(struct ksmbd_work *work) 255 { 256 struct ksmbd_conn *conn = work->conn; 257 void *buf = REQUEST_BUF(work); 259 260 if (conn->need_neg == false) 261 return 0; 262 263 proto = *(__le32 *)((struct smb_hdr *)buf)->Protocol; 264 init_smb3_11_server(conn); 265 266 if (conn->ops->get_cmd_val(work) != SMB_COM_NEGOTIATE) 267 conn->need_neg = false; 268 return 0; 269 } 270 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org