Hi Karan, kernel test robot noticed the following build warnings: [auto build test WARNING on mkp-scsi/for-next] [also build test WARNING on jejb-scsi/for-next linus/master v6.10-rc3 next-20240611] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Karan-Tilak-Kumar/scsi-fnic-Replace-shost_printk-with-pr_info-pr_err/20240611-060227 base: https://git.kernel.org/pub/scm/linux/kernel/git/mkp/scsi.git for-next patch link: https://lore.kernel.org/r/20240610215100.673158-4-kartilak%40cisco.com patch subject: [PATCH 03/14] scsi: fnic: Add support for fabric based solicited requests and responses config: x86_64-kexec (https://download.01.org/0day-ci/archive/20240611/202406112309.8GiDUvIM-lkp@xxxxxxxxx/config) compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240611/202406112309.8GiDUvIM-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/202406112309.8GiDUvIM-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): drivers/scsi/fnic/fdls_disc.c:894:10: warning: variable 'reason_code' set but not used [-Wunused-but-set-variable] 894 | uint8_t reason_code; | ^ >> drivers/scsi/fnic/fdls_disc.c:1009:26: warning: variable 'els_rjt' set but not used [-Wunused-but-set-variable] 1009 | struct fc_els_reject_s *els_rjt; | ^ >> drivers/scsi/fnic/fdls_disc.c:1520:11: warning: variable 's_id' set but not used [-Wunused-but-set-variable] 1520 | uint32_t s_id = 0; | ^ >> drivers/scsi/fnic/fdls_disc.c:1521:11: warning: variable 'd_id' set but not used [-Wunused-but-set-variable] 1521 | uint32_t d_id = 0; | ^ drivers/scsi/fnic/fdls_disc.c:627:13: warning: unused function 'fnic_fdls_start_flogi' [-Wunused-function] 627 | static void fnic_fdls_start_flogi(struct fnic_iport_s *iport) | ^~~~~~~~~~~~~~~~~~~~~ 5 warnings generated. vim +/els_rjt +1009 drivers/scsi/fnic/fdls_disc.c 1000 1001 static void 1002 fdls_process_flogi_rsp(struct fnic_iport_s *iport, struct fc_hdr_s *fchdr, 1003 void *rx_frame) 1004 { 1005 struct fnic_fdls_fabric_s *fabric = &iport->fabric; 1006 struct fc_els_s *flogi_rsp = (struct fc_els_s *) fchdr; 1007 uint8_t *fcid; 1008 int rdf_size; > 1009 struct fc_els_reject_s *els_rjt; 1010 uint8_t fcmac[6] = { 0x0E, 0XFC, 0x00, 0x00, 0x00, 0x00 }; 1011 struct fnic *fnic = iport->fnic; 1012 1013 FNIC_FCS_DBG(KERN_INFO, fnic->lport->host, fnic->fnic_num, 1014 "0x%x: FDLS processing FLOGI response", iport->fcid); 1015 1016 if (fdls_get_state(fabric) != FDLS_STATE_FABRIC_FLOGI) { 1017 FNIC_FCS_DBG(KERN_INFO, fnic->lport->host, fnic->fnic_num, 1018 "FLOGI response received in state (%d). Dropping frame", 1019 fdls_get_state(fabric)); 1020 return; 1021 } 1022 1023 switch (flogi_rsp->command) { 1024 case FC_LS_ACC: 1025 if (iport->fabric.timer_pending) { 1026 FNIC_FCS_DBG(KERN_INFO, fnic->lport->host, fnic->fnic_num, 1027 "iport fcid: 0x%x Canceling fabric disc timer\n", 1028 iport->fcid); 1029 fnic_del_fabric_timer_sync(); 1030 } 1031 1032 iport->fabric.timer_pending = 0; 1033 iport->fabric.retry_counter = 0; 1034 fcid = FNIC_GET_D_ID(fchdr); 1035 iport->fcid = ntoh24(fcid); 1036 FNIC_FCS_DBG(KERN_INFO, fnic->lport->host, fnic->fnic_num, 1037 "0x%x: FLOGI response accepted", iport->fcid); 1038 1039 /* Learn the Service Params */ 1040 rdf_size = ntohs(flogi_rsp->u.csp_flogi.b2b_rdf_size); 1041 if ((rdf_size >= FNIC_MIN_DATA_FIELD_SIZE) 1042 && (rdf_size < FNIC_FC_MAX_PAYLOAD_LEN)) 1043 iport->max_payload_size = MIN(rdf_size, 1044 iport->max_payload_size); 1045 1046 FNIC_FCS_DBG(KERN_INFO, fnic->lport->host, fnic->fnic_num, 1047 "max_payload_size from fabric: %d set: %d", rdf_size, 1048 iport->max_payload_size); 1049 1050 iport->r_a_tov = ntohl(flogi_rsp->u.csp_flogi.r_a_tov); 1051 iport->e_d_tov = ntohl(flogi_rsp->u.csp_flogi.e_d_tov); 1052 1053 if (flogi_rsp->u.csp_flogi.features & FNIC_FC_EDTOV_NSEC) 1054 iport->e_d_tov = iport->e_d_tov / FNIC_NSEC_TO_MSEC; 1055 1056 FNIC_FCS_DBG(KERN_INFO, fnic->lport->host, fnic->fnic_num, 1057 "From fabric: R_A_TOV: %d E_D_TOV: %d", 1058 iport->r_a_tov, iport->e_d_tov); 1059 1060 if (IS_FNIC_FCP_INITIATOR(fnic)) { 1061 fc_host_fabric_name(iport->fnic->lport->host) = 1062 get_unaligned_be64(&flogi_rsp->node_name); 1063 fc_host_port_id(iport->fnic->lport->host) = iport->fcid; 1064 } 1065 1066 fnic_fdls_learn_fcoe_macs(iport, rx_frame, fcid); 1067 1068 memcpy(&fcmac[3], fcid, 3); 1069 FNIC_FCS_DBG(KERN_INFO, fnic->lport->host, fnic->fnic_num, 1070 "Adding vNIC device MAC addr: %02x:%02x:%02x:%02x:%02x:%02x", 1071 fcmac[0], fcmac[1], fcmac[2], fcmac[3], fcmac[4], 1072 fcmac[5]); 1073 vnic_dev_add_addr(iport->fnic->vdev, fcmac); 1074 1075 if (fdls_get_state(fabric) == FDLS_STATE_FABRIC_FLOGI) { 1076 fnic_fdls_start_plogi(iport); 1077 FNIC_FCS_DBG(KERN_INFO, fnic->lport->host, fnic->fnic_num, 1078 "FLOGI response received. Starting PLOGI"); 1079 } else { 1080 /* From FDLS_STATE_FABRIC_FLOGI state fabric can only go to 1081 * FDLS_STATE_LINKDOWN 1082 * state, hence we don't have to worry about undoing: 1083 * the fnic_fdls_register_portid and vnic_dev_add_addr 1084 */ 1085 FNIC_FCS_DBG(KERN_INFO, fnic->lport->host, fnic->fnic_num, 1086 "FLOGI response received in state (%d). Dropping frame", 1087 fdls_get_state(fabric)); 1088 } 1089 break; 1090 1091 case FC_LS_REJ: 1092 els_rjt = (struct fc_els_reject_s *) fchdr; 1093 if (fabric->retry_counter < iport->max_flogi_retries) { 1094 FNIC_FCS_DBG(KERN_INFO, fnic->lport->host, fnic->fnic_num, 1095 "FLOGI returned FC_LS_REJ BUSY. Retry from timer routine %p", 1096 iport); 1097 1098 /* Retry Flogi again from the timer routine. */ 1099 fabric->flags |= FNIC_FDLS_RETRY_FRAME; 1100 1101 } else { 1102 FNIC_FCS_DBG(KERN_INFO, fnic->lport->host, fnic->fnic_num, 1103 "FLOGI returned FC_LS_REJ. Halting discovery %p", iport); 1104 if (iport->fabric.timer_pending) { 1105 FNIC_FCS_DBG(KERN_INFO, fnic->lport->host, fnic->fnic_num, 1106 "iport 0x%p Canceling fabric disc timer\n", 1107 iport); 1108 fnic_del_fabric_timer_sync(); 1109 } 1110 fabric->timer_pending = 0; 1111 fabric->retry_counter = 0; 1112 } 1113 break; 1114 1115 default: 1116 FNIC_FCS_DBG(KERN_INFO, fnic->lport->host, fnic->fnic_num, 1117 "FLOGI response not accepted: 0x%x", 1118 flogi_rsp->command); 1119 break; 1120 } 1121 } 1122 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki