Hi Madhumitha, kernel test robot noticed the following build warnings: [auto build test WARNING on staging/staging-testing] url: https://github.com/intel-lab-lkp/linux/commits/Madhumitha-Prabakaran/staging-greybus-Refactor-gb_audio_gb_get_topology-into-separate-calls/20230805-043242 base: staging/staging-testing patch link: https://lore.kernel.org/r/20230804203134.GA618419%40madhu-kernel patch subject: [PATCH] staging: greybus: Refactor gb_audio_gb_get_topology() into separate calls config: loongarch-allyesconfig (https://download.01.org/0day-ci/archive/20230805/202308050511.y5Yb9otW-lkp@xxxxxxxxx/config) compiler: loongarch64-linux-gcc (GCC) 12.3.0 reproduce: (https://download.01.org/0day-ci/archive/20230805/202308050511.y5Yb9otW-lkp@xxxxxxxxx/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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202308050511.y5Yb9otW-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/staging/greybus/audio_gb.c:11:5: warning: no previous prototype for 'gb_audio_gb_get_topology_size' [-Wmissing-prototypes] 11 | int gb_audio_gb_get_topology_size(struct gb_connection *connection, u16 *size) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ >> drivers/staging/greybus/audio_gb.c:25:27: warning: no previous prototype for 'gb_audio_gb_alloc_topology' [-Wmissing-prototypes] 25 | struct gb_audio_topology *gb_audio_gb_alloc_topology(u16 size) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ vim +/gb_audio_gb_get_topology_size +11 drivers/staging/greybus/audio_gb.c 10 > 11 int gb_audio_gb_get_topology_size(struct gb_connection *connection, u16 *size) 12 { 13 struct gb_audio_get_topology_size_response size_resp; 14 int ret; 15 16 ret = gb_operation_sync(connection, GB_AUDIO_TYPE_GET_TOPOLOGY_SIZE, 17 NULL, 0, &size_resp, sizeof(size_resp)); 18 if (ret) 19 return ret; 20 21 *size = le16_to_cpu(size_resp.size); 22 return 0; 23 } 24 > 25 struct gb_audio_topology *gb_audio_gb_alloc_topology(u16 size) 26 { 27 struct gb_audio_topology *topo; 28 29 if (size < sizeof(struct gb_audio_topology)) 30 return NULL; 31 32 topo = kzalloc(size, GFP_KERNEL); 33 return topo; 34 } 35 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
