Messages in this thread | | | Date | Tue, 13 Jul 2021 02:14:23 +0800 | From | kernel test robot <> | Subject | [hare-scsi-devel:auth.v2 7/12] drivers/nvme/target/../target/nvmet.h:728:1: warning: type qualifiers ignored on function return type |
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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: parisc-randconfig-r011-20210712 (attached as .config) compiler: hppa64-linux-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://git.kernel.org/pub/scm/linux/kernel/git/hare/scsi-devel.git/commit/?id=ca7a6b4cc19e4383ec693c75bb5c6f678b692a14 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 COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=parisc
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
In file included from drivers/nvme/target/fcloop.c:11: >> drivers/nvme/target/../target/nvmet.h:728:1: warning: type qualifiers ignored on function return type [-Wignored-qualifiers] 728 | const char nvmet_dhchap_dhgroup_name(int dhgid) { return NULL; } | ^~~~~ >> drivers/nvme/target/../target/nvmet.h:728:12: warning: no previous prototype for 'nvmet_dhchap_dhgroup_name' [-Wmissing-prototypes] 728 | const char nvmet_dhchap_dhgroup_name(int dhgid) { return NULL; } | ^~~~~~~~~~~~~~~~~~~~~~~~~ In file included from include/uapi/linux/posix_types.h:5, from include/uapi/linux/types.h:14, from include/linux/types.h:6, from include/linux/list.h:5, from include/linux/module.h:12, from drivers/nvme/target/fcloop.c:6: drivers/nvme/target/../target/nvmet.h: In function 'nvmet_dhchap_dhgroup_name': include/linux/stddef.h:8:14: warning: returning 'void *' from a function with return type 'char' makes integer from pointer without a cast [-Wint-conversion] 8 | #define NULL ((void *)0) | ^ drivers/nvme/target/../target/nvmet.h:728:58: note: in expansion of macro 'NULL' 728 | const char nvmet_dhchap_dhgroup_name(int dhgid) { return NULL; } | ^~~~
vim +728 drivers/nvme/target/../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 } > 728 const char nvmet_dhchap_dhgroup_name(int dhgid) { return NULL; } 729 #endif 730
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