[kbuild-all] [hare-scsi-devel:auth.v2 7/12] drivers/nvme/target/nvmet.h:728:58: sparse: sparse: incorrect type in return expression (different base types)

tree: https://git.kernel.org/pub/scm/linux/kernel/git/hare/scsi-devel.git auth.v2 head: 9107ea4a3526c6801b38b7a2345b7372278a35ba commit: ca7a6b4cc19e4383ec693c75bb5c6f678b692a14 [7/12] nvmet: Implement basic In-Band Authentication config: i386-randconfig-s001-20210713 (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.3-341-g8af24329-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/hare/scsi-devel.git/commi... git remote add hare-scsi-devel https://git.kernel.org/pub/scm/linux/kernel/git/hare/scsi-devel.git git fetch --no-tags hare-scsi-devel auth.v2 git checkout ca7a6b4cc19e4383ec693c75bb5c6f678b692a14 # save the attached .config to linux build tree make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=i386 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; sparse warnings: (new ones prefixed by >>) drivers/nvme/target/trace.c: note: in included file (through drivers/nvme/target/trace.h): drivers/nvme/target/nvmet.h:728:58: sparse: expected char drivers/nvme/target/nvmet.h:728:58: sparse: got void * drivers/nvme/target/nvmet.h:728:12: sparse: sparse: symbol 'nvmet_dhchap_dhgroup_name' was not declared. Should it be static? -- drivers/nvme/target/io-cmd-bdev.c: note: in included file: drivers/nvme/target/nvmet.h:728:58: sparse: expected char drivers/nvme/target/nvmet.h:728:58: sparse: got void * drivers/nvme/target/nvmet.h:728:12: sparse: sparse: symbol 'nvmet_dhchap_dhgroup_name' was not declared. Should it be static? -- drivers/nvme/target/discovery.c: note: in included file: drivers/nvme/target/nvmet.h:728:58: sparse: expected char drivers/nvme/target/nvmet.h:728:58: sparse: got void * drivers/nvme/target/nvmet.h:728:12: sparse: sparse: symbol 'nvmet_dhchap_dhgroup_name' was not declared. Should it be static? -- drivers/nvme/target/io-cmd-file.c: note: in included file: drivers/nvme/target/nvmet.h:728:58: sparse: expected char drivers/nvme/target/nvmet.h:728:58: sparse: got void * drivers/nvme/target/nvmet.h:728:12: sparse: sparse: symbol 'nvmet_dhchap_dhgroup_name' was not declared. Should it be static? -- drivers/nvme/target/admin-cmd.c: note: in included file: drivers/nvme/target/nvmet.h:728:58: sparse: expected char drivers/nvme/target/nvmet.h:728:58: sparse: got void * drivers/nvme/target/nvmet.h:728:12: sparse: sparse: symbol 'nvmet_dhchap_dhgroup_name' was not declared. Should it be static? -- drivers/nvme/target/zns.c: note: in included file: drivers/nvme/target/nvmet.h:728:58: sparse: expected char drivers/nvme/target/nvmet.h:728:58: sparse: got void * drivers/nvme/target/nvmet.h:728:12: sparse: sparse: symbol 'nvmet_dhchap_dhgroup_name' was not declared. Should it be static? -- drivers/nvme/target/passthru.c: note: in included file: drivers/nvme/target/nvmet.h:728:58: sparse: expected char drivers/nvme/target/nvmet.h:728:58: sparse: got void * drivers/nvme/target/nvmet.h:728:12: sparse: sparse: symbol 'nvmet_dhchap_dhgroup_name' was not declared. Should it be static? -- drivers/nvme/target/configfs.c: note: in included file: drivers/nvme/target/nvmet.h:728:58: sparse: expected char drivers/nvme/target/nvmet.h:728:58: sparse: got void * drivers/nvme/target/nvmet.h:728:12: sparse: sparse: symbol 'nvmet_dhchap_dhgroup_name' was not declared. Should it be static? -- drivers/nvme/target/loop.c: note: in included file: drivers/nvme/target/nvmet.h:728:58: sparse: expected char drivers/nvme/target/nvmet.h:728:58: sparse: got void * drivers/nvme/target/nvmet.h:728:12: sparse: sparse: symbol 'nvmet_dhchap_dhgroup_name' was not declared. Should it be static? -- drivers/nvme/target/core.c: note: in included file (through drivers/nvme/target/trace.h): drivers/nvme/target/nvmet.h:728:58: sparse: expected char drivers/nvme/target/nvmet.h:728:58: sparse: got void * drivers/nvme/target/nvmet.h:728:12: sparse: sparse: symbol 'nvmet_dhchap_dhgroup_name' was not declared. Should it be static? vim +728 drivers/nvme/target/nvmet.h 687 688 #ifdef CONFIG_NVME_TARGET_AUTH 689 void nvmet_execute_auth_send(struct nvmet_req *req); 690 void nvmet_execute_auth_receive(struct nvmet_req *req); 691 int nvmet_auth_set_host_key(struct nvmet_host *host, const char *secret); 692 int nvmet_auth_set_host_hash(struct nvmet_host *host, const char *hash); 693 int nvmet_auth_get_hash(struct nvmet_ctrl *ctrl, unsigned int *hash_len); 694 const char *nvmet_auth_hmac_name(int hmac_id); 695 int nvmet_auth_set_host_dhgroup(struct nvmet_host *host, const char *hash); 696 const char *nvmet_auth_get_host_dhgroup(struct nvmet_host *host); 697 int nvmet_setup_auth(struct nvmet_ctrl *ctrl, struct nvmet_req *req); 698 void nvmet_reset_auth(struct nvmet_ctrl *ctrl); 699 int nvmet_setup_dhgroup(struct nvmet_ctrl *ctrl, int dhgroup_id); 700 bool nvmet_check_auth_status(struct nvmet_req *req); 701 int nvmet_auth_host_hash(struct nvmet_req *req, u8 *response, 702 unsigned int hash_len); 703 int nvmet_auth_ctrl_hash(struct nvmet_req *req, u8 *response, 704 unsigned int hash_len); 705 static inline bool nvmet_has_auth(struct nvmet_ctrl *ctrl) 706 { 707 return ctrl->shash_tfm != NULL; 708 } 709 const char *nvmet_dhchap_dhgroup_name(int dhgid); 710 int nvmet_auth_ctrl_exponential(struct nvmet_req *req, 711 u8 *buf, int buf_size); 712 int nvmet_auth_ctrl_sesskey(struct nvmet_req *req, 713 u8 *buf, int buf_size); 714 #else 715 static inline int nvmet_setup_auth(struct nvmet_ctrl *ctrl, struct nvmet_req *req) 716 { 717 return 0; 718 } 719 static inline void nvmet_reset_auth(struct nvmet_ctrl *ctrl) {}; 720 static inline bool nvmet_check_auth_status(struct nvmet_req *req) 721 { 722 return true; 723 } 724 static inline bool nvmet_has_auth(struct nvmet_ctrl *ctrl) 725 { 726 return false; 727 } 729 #endif 730 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org