From: kbuild test robot <lkp@intel.com> To: James Smart <jsmart2021@gmail.com> Cc: kbuild-all@lists.01.org, linux-scsi@vger.kernel.org, dwagner@suse.de, maier@linux.ibm.com, bvanassche@acm.org, herbszt@gmx.de, natechancellor@gmail.com, rdunlap@infradead.org, hare@suse.de, James Smart <jsmart2021@gmail.com>, Ram Vegesna <ram.vegesna@broadcom.com> Subject: Re: [PATCH v3 31/31] elx: efct: Tie into kernel Kconfig and build process Date: Sun, 12 Apr 2020 15:56:04 +0800 [thread overview] Message-ID: <202004121536.BAc7Prmw%lkp@intel.com> (raw) In-Reply-To: <20200412033303.29574-32-jsmart2021@gmail.com> Hi James, I love your patch! Perhaps something to improve: [auto build test WARNING on mkp-scsi/for-next] [also build test WARNING on scsi/for-next linus/master v5.6 next-20200412] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/James-Smart/efct-Broadcom-Emulex-FC-Target-driver/20200412-114125 base: https://git.kernel.org/pub/scm/linux/kernel/git/mkp/scsi.git for-next If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp@intel.com> cppcheck warnings: (new ones prefixed by >>) >> drivers/scsi/elx/efct/efct_driver.c:829:5: warning: Redundant initialization for 'rc'. The initialized value is overwritten before it is read. [redundantInitialization] rc = efct_device_init(); ^ drivers/scsi/elx/efct/efct_driver.c:827:9: note: rc is initialized int rc = -ENODEV; ^ drivers/scsi/elx/efct/efct_driver.c:829:5: note: rc is overwritten rc = efct_device_init(); ^ drivers/scsi/elx/efct/efct_driver.c:255:6: warning: The scope of the variable 'rc' can be reduced. [variableScope] int rc = 0, i; ^ drivers/scsi/elx/efct/efct_driver.c:255:14: warning: The scope of the variable 'i' can be reduced. [variableScope] int rc = 0, i; ^ >> drivers/scsi/elx/libefc_sli/sli4.h:96:26: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_PORT_CTRL_FDD = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:223:29: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_PORT_STATUS_ERR = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:315:23: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_SGE_LAST = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:418:24: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_MCQE_VALID = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:682:25: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] CREATE_EQ_EQESZ = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:685:23: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] CREATE_EQ_ARM = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:729:25: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] CREATE_MQEXT_VAL = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:2665:30: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_READ_LNKSTAT_CLOF = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:3473:35: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_SET_RECONFIG_LINKID_FD = (1 << 31), ^ >> drivers/scsi/elx/efct/efct_driver.c:255:9: warning: Variable 'rc' is assigned a value that is never used. [unreadVariable] int rc = 0, i; ^ -- >> drivers/scsi/elx/efct/efct_scsi.c:869:34: warning: Either the condition '!fcprsp' is redundant or there is pointer arithmetic with NULL pointer. [nullPointerArithmeticRedundantCheck] u8 *sns_data = io->rspbuf.virt + sizeof(*fcprsp); ^ drivers/scsi/elx/efct/efct_scsi.c:871:7: note: Assuming that condition '!fcprsp' is not redundant if (!fcprsp) { ^ drivers/scsi/elx/efct/efct_scsi.c:868:48: note: Assignment from 'io->rspbuf.virt' struct fcp_resp_with_ext *fcprsp = io->rspbuf.virt; ^ drivers/scsi/elx/efct/efct_scsi.c:869:34: note: Null pointer addition u8 *sns_data = io->rspbuf.virt + sizeof(*fcprsp); ^ drivers/scsi/elx/efct/efct_scsi.c:467:21: warning: The scope of the variable 'hio' can be reduced. [variableScope] struct efct_hw_io *hio; ^ drivers/scsi/elx/efct/efct_scsi.c:470:6: warning: The scope of the variable 'dispatch' can be reduced. [variableScope] int dispatch; ^ >> drivers/scsi/elx/efct/efct_scsi.c:869:34: warning: 'io->rspbuf.virt' is of type 'void *'. When using void pointers in calculations, the behaviour is undefined. [arithOperationsOnVoidPointer] u8 *sns_data = io->rspbuf.virt + sizeof(*fcprsp); ^ drivers/scsi/elx/efct/efct_scsi.c:1045:28: warning: 'io->rspbuf.virt' is of type 'void *'. When using void pointers in calculations, the behaviour is undefined. [arithOperationsOnVoidPointer] rspinfo = io->rspbuf.virt + sizeof(*fcprsp); ^ >> drivers/scsi/elx/libefc_sli/sli4.h:96:26: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_PORT_CTRL_FDD = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:223:29: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_PORT_STATUS_ERR = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:315:23: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_SGE_LAST = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:418:24: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_MCQE_VALID = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:682:25: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] CREATE_EQ_EQESZ = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:685:23: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] CREATE_EQ_ARM = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:729:25: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] CREATE_MQEXT_VAL = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:2665:30: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_READ_LNKSTAT_CLOF = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:3473:35: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_SET_RECONFIG_LINKID_FD = (1 << 31), ^ >> drivers/scsi/elx/efct/efct_scsi.c:482:10: warning: Variable 'status' is assigned a value that is never used. [unreadVariable] status = 0; ^ -- drivers/scsi/elx/efct/efct_els.c:1767:6: warning: The scope of the variable 'rc' can be reduced. [variableScope] int rc; ^ >> drivers/scsi/elx/efct/efct_els.c:980:32: warning: 'els->els_req.virt' is of type 'void *'. When using void pointers in calculations, the behaviour is undefined. [arithOperationsOnVoidPointer] rscn_page = els->els_req.virt + sizeof(*req); ^ drivers/scsi/elx/efct/efct_els.c:1471:28: warning: 'els->els_req.virt' is of type 'void *'. When using void pointers in calculations, the behaviour is undefined. [arithOperationsOnVoidPointer] rftid = els->els_req.virt + sizeof(*ct); ^ drivers/scsi/elx/efct/efct_els.c:1515:28: warning: 'els->els_req.virt' is of type 'void *'. When using void pointers in calculations, the behaviour is undefined. [arithOperationsOnVoidPointer] rffid = els->els_req.virt + sizeof(*ct); ^ drivers/scsi/elx/efct/efct_els.c:1567:28: warning: 'els->els_req.virt' is of type 'void *'. When using void pointers in calculations, the behaviour is undefined. [arithOperationsOnVoidPointer] gidpt = els->els_req.virt + sizeof(*ct); ^ >> drivers/scsi/elx/libefc_sli/sli4.h:96:26: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_PORT_CTRL_FDD = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:223:29: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_PORT_STATUS_ERR = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:315:23: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_SGE_LAST = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:418:24: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_MCQE_VALID = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:682:25: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] CREATE_EQ_EQESZ = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:685:23: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] CREATE_EQ_ARM = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:729:25: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] CREATE_MQEXT_VAL = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:2665:30: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_READ_LNKSTAT_CLOF = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:3473:35: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_SET_RECONFIG_LINKID_FD = (1 << 31), ^ >> drivers/scsi/elx/efct/efct_els.c:1600:8: warning: Variable 's_id' is assigned a value that is never used. [unreadVariable] s_id = U32_MAX; ^ -- >> drivers/scsi/elx/efct/efct_xport.c:341:6: warning: Variable 'rc' is reassigned a value before the old one has been used. [redundantAssignment] rc = efct_hw_get_host_stats(&efct->hw, 1, ^ drivers/scsi/elx/efct/efct_xport.c:329:6: note: rc is assigned rc = efct_hw_get_link_stats(&efct->hw, 0, 1, 1, ^ drivers/scsi/elx/efct/efct_xport.c:341:6: note: rc is overwritten rc = efct_hw_get_host_stats(&efct->hw, 1, ^ drivers/scsi/elx/efct/efct_xport.c:619:17: warning: The scope of the variable 'timeout' can be reduced. [variableScope] unsigned long timeout; ^ drivers/scsi/elx/efct/efct_xport.c:836:23: warning: The scope of the variable 'sport' can be reduced. [variableScope] struct efc_sli_port *sport; ^ drivers/scsi/elx/efct/efct_xport.c:884:6: warning: The scope of the variable 'rc' can be reduced. [variableScope] int rc; ^ >> drivers/scsi/elx/efct/efct_xport.c:678:16: warning: Local variable 'efct' shadows outer variable [shadowVariable] struct efct *efct; ^ drivers/scsi/elx/efct/efct_xport.c:590:15: note: Shadowed declaration struct efct *efct = NULL; ^ drivers/scsi/elx/efct/efct_xport.c:678:16: note: Shadow variable struct efct *efct; ^ >> drivers/scsi/elx/libefc_sli/sli4.h:96:26: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_PORT_CTRL_FDD = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:223:29: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_PORT_STATUS_ERR = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:315:23: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_SGE_LAST = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:418:24: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_MCQE_VALID = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:682:25: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] CREATE_EQ_EQESZ = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:685:23: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] CREATE_EQ_ARM = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:729:25: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] CREATE_MQEXT_VAL = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:2665:30: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_READ_LNKSTAT_CLOF = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:3473:35: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_SET_RECONFIG_LINKID_FD = (1 << 31), ^ -- drivers/scsi/elx/efct/efct_hw.c:871:16: warning: The scope of the variable 'rq' can be reduced. [variableScope] struct hw_rq *rq; ^ drivers/scsi/elx/efct/efct_hw.c:1224:16: warning: The scope of the variable 'rq' can be reduced. [variableScope] struct hw_rq *rq; ^ drivers/scsi/elx/efct/efct_hw.c:1325:16: warning: The scope of the variable 'rq' can be reduced. [variableScope] struct hw_rq *rq; ^ drivers/scsi/elx/efct/efct_hw.c:2367:7: warning: The scope of the variable 'status' can be reduced. [variableScope] int status; ^ >> drivers/scsi/elx/efct/efct_hw.c:480:9: warning: Local variable 'arg' shadows outer argument [shadowArgument] void *arg = io->arg; ^ drivers/scsi/elx/efct/efct_hw.c:383:29: note: Shadowed declaration efct_hw_wq_process_io(void *arg, u8 *cqe, int status) ^ drivers/scsi/elx/efct/efct_hw.c:480:9: note: Shadow variable void *arg = io->arg; ^ drivers/scsi/elx/efct/efct_hw.c:1862:9: warning: Local variable 'arg' shadows outer argument [shadowArgument] void *arg = io->arg; ^ drivers/scsi/elx/efct/efct_hw.c:1842:32: note: Shadowed declaration efct_hw_wq_process_abort(void *arg, u8 *cqe, int status) ^ drivers/scsi/elx/efct/efct_hw.c:1862:9: note: Shadow variable void *arg = io->arg; ^ drivers/scsi/elx/efct/efct_hw.c:1881:9: warning: Local variable 'arg' shadows outer argument [shadowArgument] void *arg = io->abort_arg; ^ drivers/scsi/elx/efct/efct_hw.c:1842:32: note: Shadowed declaration efct_hw_wq_process_abort(void *arg, u8 *cqe, int status) ^ drivers/scsi/elx/efct/efct_hw.c:1881:9: note: Shadow variable void *arg = io->abort_arg; ^ >> drivers/scsi/elx/efct/efct_hw.c:1300:23: warning: 'hw->seq_pool' is of type 'void *'. When using void pointers in calculations, the behaviour is undefined. [arithOperationsOnVoidPointer] seq = hw->seq_pool + idx * sizeof(*seq); ^ >> drivers/scsi/elx/libefc_sli/sli4.h:96:26: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_PORT_CTRL_FDD = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:223:29: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_PORT_STATUS_ERR = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:315:23: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_SGE_LAST = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:418:24: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_MCQE_VALID = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:682:25: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] CREATE_EQ_EQESZ = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:685:23: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] CREATE_EQ_ARM = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:729:25: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] CREATE_MQEXT_VAL = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:2665:30: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_READ_LNKSTAT_CLOF = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:3473:35: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_SET_RECONFIG_LINKID_FD = (1 << 31), ^ >> drivers/scsi/elx/efct/efct_hw.c:633:8: warning: Variable 'i' is assigned a value that is never used. [unreadVariable] u32 i = 0, io_index = 0; ^ drivers/scsi/elx/efct/efct_hw.c:2056:8: warning: Variable 'i' is assigned a value that is never used. [unreadVariable] u32 i = 0; ^ -- drivers/scsi/elx/libefc/efc_domain.c:392:23: warning: The scope of the variable 'sport' can be reduced. [variableScope] struct efc_sli_port *sport; ^ drivers/scsi/elx/libefc/efc_domain.c:499:6: warning: The scope of the variable 'rc' can be reduced. [variableScope] int rc = 0; ^ drivers/scsi/elx/libefc/efc_domain.c:546:7: warning: The scope of the variable 'rc' can be reduced. [variableScope] int rc; ^ drivers/scsi/elx/libefc/efc_domain.c:699:7: warning: The scope of the variable 'rc' can be reduced. [variableScope] int rc; ^ drivers/scsi/elx/libefc/efc_domain.c:866:7: warning: The scope of the variable 'rc' can be reduced. [variableScope] int rc; ^ >> drivers/scsi/elx/libefc/efc_domain.c:546:7: warning: Local variable 'rc' shadows outer variable [shadowVariable] int rc; ^ drivers/scsi/elx/libefc/efc_domain.c:499:6: note: Shadowed declaration int rc = 0; ^ drivers/scsi/elx/libefc/efc_domain.c:546:7: note: Shadow variable int rc; ^ -- >> drivers/scsi/elx/libefc/efc_fabric.c:1274:14: warning: Variable 'remote_wwpn' is reassigned a value before the old one has been used. [redundantAssignment] remote_wwpn = efc_get_wwpn(remote_sp); ^ drivers/scsi/elx/libefc/efc_fabric.c:1270:14: note: remote_wwpn is assigned remote_wwpn = efc_get_wwpn(remote_sp); ^ drivers/scsi/elx/libefc/efc_fabric.c:1274:14: note: remote_wwpn is overwritten remote_wwpn = efc_get_wwpn(remote_sp); ^ drivers/scsi/elx/libefc/efc_fabric.c:26:6: warning: The scope of the variable 'rc' can be reduced. [variableScope] int rc; ^ drivers/scsi/elx/libefc/efc_fabric.c:479:6: warning: The scope of the variable 'rc' can be reduced. [variableScope] int rc; ^ drivers/scsi/elx/libefc/efc_fabric.c:1502:6: warning: The scope of the variable 'rc' can be reduced. [variableScope] int rc; ^ >> drivers/scsi/elx/libefc/efc_fabric.c:726:38: warning: 'data' is of type 'void *'. When using void pointers in calculations, the behaviour is undefined. [arithOperationsOnVoidPointer] struct fc_gid_pn_resp *gidpt = data + sizeof(*hdr); ^ -- >> drivers/scsi/elx/efct/efct_lio.c:1663:1: warning: %u in format string (no. 1) requires 'unsigned int' but the argument type is 'signed int'. [invalidPrintfArgType_uint] DEF_EFCT_TPG_ATTRIB(generate_node_acls); ^ drivers/scsi/elx/efct/efct_lio.c:1664:1: warning: %u in format string (no. 1) requires 'unsigned int' but the argument type is 'signed int'. [invalidPrintfArgType_uint] DEF_EFCT_TPG_ATTRIB(cache_dynamic_acls); ^ drivers/scsi/elx/efct/efct_lio.c:1665:1: warning: %u in format string (no. 1) requires 'unsigned int' but the argument type is 'signed int'. [invalidPrintfArgType_uint] DEF_EFCT_TPG_ATTRIB(demo_mode_write_protect); ^ drivers/scsi/elx/efct/efct_lio.c:1666:1: warning: %u in format string (no. 1) requires 'unsigned int' but the argument type is 'signed int'. [invalidPrintfArgType_uint] DEF_EFCT_TPG_ATTRIB(prod_mode_write_protect); ^ drivers/scsi/elx/efct/efct_lio.c:1667:1: warning: %u in format string (no. 1) requires 'unsigned int' but the argument type is 'signed int'. [invalidPrintfArgType_uint] DEF_EFCT_TPG_ATTRIB(demo_mode_login_only); ^ drivers/scsi/elx/efct/efct_lio.c:1719:1: warning: %u in format string (no. 1) requires 'unsigned int' but the argument type is 'signed int'. [invalidPrintfArgType_uint] DEF_EFCT_NPIV_TPG_ATTRIB(generate_node_acls); ^ drivers/scsi/elx/efct/efct_lio.c:1720:1: warning: %u in format string (no. 1) requires 'unsigned int' but the argument type is 'signed int'. [invalidPrintfArgType_uint] DEF_EFCT_NPIV_TPG_ATTRIB(cache_dynamic_acls); ^ drivers/scsi/elx/efct/efct_lio.c:1721:1: warning: %u in format string (no. 1) requires 'unsigned int' but the argument type is 'signed int'. [invalidPrintfArgType_uint] DEF_EFCT_NPIV_TPG_ATTRIB(demo_mode_write_protect); ^ drivers/scsi/elx/efct/efct_lio.c:1722:1: warning: %u in format string (no. 1) requires 'unsigned int' but the argument type is 'signed int'. [invalidPrintfArgType_uint] DEF_EFCT_NPIV_TPG_ATTRIB(prod_mode_write_protect); ^ drivers/scsi/elx/efct/efct_lio.c:1723:1: warning: %u in format string (no. 1) requires 'unsigned int' but the argument type is 'signed int'. [invalidPrintfArgType_uint] DEF_EFCT_NPIV_TPG_ATTRIB(demo_mode_login_only); ^ drivers/scsi/elx/efct/efct_lio.c:93:6: warning: The scope of the variable 'ret' can be reduced. [variableScope] int ret; ^ drivers/scsi/elx/efct/efct_lio.c:150:6: warning: The scope of the variable 'ret' can be reduced. [variableScope] int ret; ^ >> drivers/scsi/elx/efct/efct_lio.c:480:22: warning: Passing NULL after the last typed argument to a variadic function leads to undefined behaviour. [varFuncNullUB] EFCT_XPORT_SHUTDOWN, NULL); ^ >> drivers/scsi/elx/libefc_sli/sli4.h:96:26: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_PORT_CTRL_FDD = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:223:29: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_PORT_STATUS_ERR = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:315:23: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_SGE_LAST = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:418:24: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_MCQE_VALID = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:682:25: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] CREATE_EQ_EQESZ = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:685:23: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] CREATE_EQ_ARM = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:729:25: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] CREATE_MQEXT_VAL = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:2665:30: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_READ_LNKSTAT_CLOF = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:3473:35: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_SET_RECONFIG_LINKID_FD = (1 << 31), ^ >> drivers/scsi/elx/efct/efct_lio.c:461:2: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] efct_set_lio_io_state(io, EFCT_LIO_STATE_SCSI_CMPL_CMD); ^ -- >> drivers/scsi/elx/libefc/efc_node.c:887:2: warning: %llX in format string (no. 1) requires 'unsigned long long' but the argument type is 'unsigned long'. [invalidPrintfArgType_uint] snprintf(buffer, buffer_len, "eui.%016llX", eui_name); ^ -- drivers/scsi/elx/efct/efct_unsol.c:28:16: warning: The scope of the variable 'flags' can be reduced. [variableScope] unsigned long flags = 0; ^ drivers/scsi/elx/efct/efct_unsol.c:210:26: warning: The scope of the variable 'frame' can be reduced. [variableScope] struct efc_hw_sequence *frame; ^ drivers/scsi/elx/efct/efct_unsol.c:533:6: warning: The scope of the variable 'rc' can be reduced. [variableScope] int rc = 0; ^ >> drivers/scsi/elx/libefc_sli/sli4.h:96:26: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_PORT_CTRL_FDD = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:223:29: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_PORT_STATUS_ERR = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:315:23: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_SGE_LAST = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:418:24: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_MCQE_VALID = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:682:25: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] CREATE_EQ_EQESZ = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:685:23: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] CREATE_EQ_ARM = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:729:25: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] CREATE_MQEXT_VAL = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:2665:30: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_READ_LNKSTAT_CLOF = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:3473:35: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_SET_RECONFIG_LINKID_FD = (1 << 31), ^ >> drivers/scsi/elx/efct/efct_unsol.c:533:9: warning: Variable 'rc' is assigned a value that is never used. [unreadVariable] int rc = 0; ^ -- >> drivers/scsi/elx/libefc/efc_sport.c:101:2: warning: %llX in format string (no. 1) requires 'unsigned long long' but the argument type is 'unsigned long'. [invalidPrintfArgType_uint] snprintf(sport->wwnn_str, sizeof(sport->wwnn_str), "%016llX", wwnn); ^ drivers/scsi/elx/libefc/efc_sport.c:422:20: warning: The scope of the variable 'fabric' can be reduced. [variableScope] struct efc_node *fabric; ^ -- drivers/scsi/elx/libefc/efc_device.c:485:6: warning: The scope of the variable 'rc' can be reduced. [variableScope] int rc; ^ drivers/scsi/elx/libefc/efc_device.c:1486:6: warning: The scope of the variable 'rc' can be reduced. [variableScope] int rc = EFC_SCSI_CALL_COMPLETE; ^ drivers/scsi/elx/libefc/efc_device.c:1487:6: warning: The scope of the variable 'rc_2' can be reduced. [variableScope] int rc_2 = EFC_SCSI_CALL_COMPLETE; ^ >> drivers/scsi/elx/libefc/efc_device.c:372:31: warning: 'prli' is of type 'void *'. When using void pointers in calculations, the behaviour is undefined. [arithOperationsOnVoidPointer] struct fc_els_spp *sp = prli + sizeof(struct fc_els_prli); ^ >> drivers/scsi/elx/libefc/efc_device.c:1193:6: warning: 'cbdata->payload->dma.virt' is of type 'void *'. When using void pointers in calculations, the behaviour is undefined. [arithOperationsOnVoidPointer] + sizeof(struct fc_els_prli); ^ drivers/scsi/elx/libefc/efc_device.c:1397:6: warning: 'cbdata->payload->dma.virt' is of type 'void *'. When using void pointers in calculations, the behaviour is undefined. [arithOperationsOnVoidPointer] + sizeof(struct fc_els_prli); ^ -- >> drivers/scsi/elx/libefc_sli/sli4.c:1372:6: warning: Condition 'valid' is always true [knownConditionTrueFalse] if (valid && clear) { ^ drivers/scsi/elx/libefc_sli/sli4.c:1367:6: note: Assuming that condition '!valid' is not redundant if (!valid) { ^ drivers/scsi/elx/libefc_sli/sli4.c:1372:6: note: Condition 'valid' is always true if (valid && clear) { ^ drivers/scsi/elx/libefc_sli/sli4.c:1425:6: warning: Condition 'valid' is always true [knownConditionTrueFalse] if (valid && clear) { ^ drivers/scsi/elx/libefc_sli/sli4.c:1420:6: note: Assuming that condition '!valid' is not redundant if (!valid) { ^ drivers/scsi/elx/libefc_sli/sli4.c:1425:6: note: Condition 'valid' is always true if (valid && clear) { ^ >> drivers/scsi/elx/libefc_sli/sli4.c:4018:2: warning: Either the condition 'extent' is redundant or there is possible null pointer dereference: extent. [nullPointerRedundantCheck] extent->resource_type = cpu_to_le16(rtype); ^ drivers/scsi/elx/libefc_sli/sli4.c:4011:6: note: Assuming that condition 'extent' is not redundant if (extent) ^ drivers/scsi/elx/libefc_sli/sli4.c:4018:2: note: Null pointer dereference extent->resource_type = cpu_to_le16(rtype); ^ drivers/scsi/elx/libefc_sli/sli4.c:2175:19: warning: The scope of the variable 'bptr' can be reduced. [variableScope] struct sli4_bde *bptr; ^ >> drivers/scsi/elx/libefc_sli/sli4.c:3068:35: warning: Local variable 'rcqe' shadows outer variable [shadowVariable] struct sli4_fc_coalescing_rcqe *rcqe = (void *)cqe; ^ drivers/scsi/elx/libefc_sli/sli4.c:2995:29: note: Shadowed declaration struct sli4_fc_async_rcqe *rcqe = (void *)cqe; ^ drivers/scsi/elx/libefc_sli/sli4.c:3068:35: note: Shadow variable struct sli4_fc_coalescing_rcqe *rcqe = (void *)cqe; ^ >> drivers/scsi/elx/libefc_sli/sli4.c:3069:7: warning: Local variable 'rq_element_index' shadows outer variable [shadowVariable] u16 rq_element_index = ^ drivers/scsi/elx/libefc_sli/sli4.c:2999:6: note: Shadowed declaration u16 rq_element_index; ^ drivers/scsi/elx/libefc_sli/sli4.c:3069:7: note: Shadow variable u16 rq_element_index = ^ >> drivers/scsi/elx/libefc_sli/sli4.c:4487:8: warning: Local variable 'i' shadows outer variable [shadowVariable] u32 i = 0, size = 0; ^ drivers/scsi/elx/libefc_sli/sli4.c:4470:7: note: Shadowed declaration u32 i; ^ drivers/scsi/elx/libefc_sli/sli4.c:4487:8: note: Shadow variable u32 i = 0, size = 0; ^ >> drivers/scsi/elx/libefc_sli/sli4.c:71:7: warning: 'buf' is of type 'void *'. When using void pointers in calculations, the behaviour is undefined. [arithOperationsOnVoidPointer] buf += offsetof(struct sli4_cmd_sli_config, payload.embed); ^ >> drivers/scsi/elx/libefc_sli/sli4.h:96:26: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_PORT_CTRL_FDD = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:223:29: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_PORT_STATUS_ERR = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:315:23: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_SGE_LAST = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:418:24: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_MCQE_VALID = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:682:25: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] CREATE_EQ_EQESZ = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:685:23: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] CREATE_EQ_ARM = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:729:25: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] CREATE_MQEXT_VAL = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:2665:30: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_READ_LNKSTAT_CLOF = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:3473:35: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_SET_RECONFIG_LINKID_FD = (1 << 31), ^ vim +/rc +829 drivers/scsi/elx/efct/efct_driver.c 3569c2ab8265ff James Smart 2020-04-11 823 3569c2ab8265ff James Smart 2020-04-11 824 static 3569c2ab8265ff James Smart 2020-04-11 825 int __init efct_init(void) 3569c2ab8265ff James Smart 2020-04-11 826 { 3569c2ab8265ff James Smart 2020-04-11 827 int rc = -ENODEV; 3569c2ab8265ff James Smart 2020-04-11 828 3569c2ab8265ff James Smart 2020-04-11 @829 rc = efct_device_init(); 3569c2ab8265ff James Smart 2020-04-11 830 if (rc) { 3569c2ab8265ff James Smart 2020-04-11 831 pr_err("efct_device_init failed rc=%d\n", rc); 3569c2ab8265ff James Smart 2020-04-11 832 return -ENOMEM; 3569c2ab8265ff James Smart 2020-04-11 833 } 3569c2ab8265ff James Smart 2020-04-11 834 3569c2ab8265ff James Smart 2020-04-11 835 rc = pci_register_driver(&efct_pci_driver); 3569c2ab8265ff James Smart 2020-04-11 836 if (rc) 3569c2ab8265ff James Smart 2020-04-11 837 goto l1; 3569c2ab8265ff James Smart 2020-04-11 838 3569c2ab8265ff James Smart 2020-04-11 839 return rc; 3569c2ab8265ff James Smart 2020-04-11 840 3569c2ab8265ff James Smart 2020-04-11 841 l1: 3569c2ab8265ff James Smart 2020-04-11 842 efct_device_shutdown(); 3569c2ab8265ff James Smart 2020-04-11 843 return rc; 3569c2ab8265ff James Smart 2020-04-11 844 } 3569c2ab8265ff James Smart 2020-04-11 845 :::::: The code at line 829 was first introduced by commit :::::: 3569c2ab8265ffc43780ee31f4c4ef80e37cf0f7 elx: efct: Driver initialization routines :::::: TO: James Smart <jsmart2021@gmail.com> :::::: CC: 0day robot <lkp@intel.com> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
WARNING: multiple messages have this Message-ID (diff)
From: kbuild test robot <lkp@intel.com> To: kbuild-all@lists.01.org Subject: Re: [PATCH v3 31/31] elx: efct: Tie into kernel Kconfig and build process Date: Sun, 12 Apr 2020 15:56:04 +0800 [thread overview] Message-ID: <202004121536.BAc7Prmw%lkp@intel.com> (raw) In-Reply-To: <20200412033303.29574-32-jsmart2021@gmail.com> [-- Attachment #1: Type: text/plain, Size: 38003 bytes --] Hi James, I love your patch! Perhaps something to improve: [auto build test WARNING on mkp-scsi/for-next] [also build test WARNING on scsi/for-next linus/master v5.6 next-20200412] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/James-Smart/efct-Broadcom-Emulex-FC-Target-driver/20200412-114125 base: https://git.kernel.org/pub/scm/linux/kernel/git/mkp/scsi.git for-next If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp@intel.com> cppcheck warnings: (new ones prefixed by >>) >> drivers/scsi/elx/efct/efct_driver.c:829:5: warning: Redundant initialization for 'rc'. The initialized value is overwritten before it is read. [redundantInitialization] rc = efct_device_init(); ^ drivers/scsi/elx/efct/efct_driver.c:827:9: note: rc is initialized int rc = -ENODEV; ^ drivers/scsi/elx/efct/efct_driver.c:829:5: note: rc is overwritten rc = efct_device_init(); ^ drivers/scsi/elx/efct/efct_driver.c:255:6: warning: The scope of the variable 'rc' can be reduced. [variableScope] int rc = 0, i; ^ drivers/scsi/elx/efct/efct_driver.c:255:14: warning: The scope of the variable 'i' can be reduced. [variableScope] int rc = 0, i; ^ >> drivers/scsi/elx/libefc_sli/sli4.h:96:26: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_PORT_CTRL_FDD = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:223:29: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_PORT_STATUS_ERR = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:315:23: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_SGE_LAST = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:418:24: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_MCQE_VALID = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:682:25: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] CREATE_EQ_EQESZ = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:685:23: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] CREATE_EQ_ARM = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:729:25: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] CREATE_MQEXT_VAL = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:2665:30: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_READ_LNKSTAT_CLOF = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:3473:35: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_SET_RECONFIG_LINKID_FD = (1 << 31), ^ >> drivers/scsi/elx/efct/efct_driver.c:255:9: warning: Variable 'rc' is assigned a value that is never used. [unreadVariable] int rc = 0, i; ^ -- >> drivers/scsi/elx/efct/efct_scsi.c:869:34: warning: Either the condition '!fcprsp' is redundant or there is pointer arithmetic with NULL pointer. [nullPointerArithmeticRedundantCheck] u8 *sns_data = io->rspbuf.virt + sizeof(*fcprsp); ^ drivers/scsi/elx/efct/efct_scsi.c:871:7: note: Assuming that condition '!fcprsp' is not redundant if (!fcprsp) { ^ drivers/scsi/elx/efct/efct_scsi.c:868:48: note: Assignment from 'io->rspbuf.virt' struct fcp_resp_with_ext *fcprsp = io->rspbuf.virt; ^ drivers/scsi/elx/efct/efct_scsi.c:869:34: note: Null pointer addition u8 *sns_data = io->rspbuf.virt + sizeof(*fcprsp); ^ drivers/scsi/elx/efct/efct_scsi.c:467:21: warning: The scope of the variable 'hio' can be reduced. [variableScope] struct efct_hw_io *hio; ^ drivers/scsi/elx/efct/efct_scsi.c:470:6: warning: The scope of the variable 'dispatch' can be reduced. [variableScope] int dispatch; ^ >> drivers/scsi/elx/efct/efct_scsi.c:869:34: warning: 'io->rspbuf.virt' is of type 'void *'. When using void pointers in calculations, the behaviour is undefined. [arithOperationsOnVoidPointer] u8 *sns_data = io->rspbuf.virt + sizeof(*fcprsp); ^ drivers/scsi/elx/efct/efct_scsi.c:1045:28: warning: 'io->rspbuf.virt' is of type 'void *'. When using void pointers in calculations, the behaviour is undefined. [arithOperationsOnVoidPointer] rspinfo = io->rspbuf.virt + sizeof(*fcprsp); ^ >> drivers/scsi/elx/libefc_sli/sli4.h:96:26: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_PORT_CTRL_FDD = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:223:29: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_PORT_STATUS_ERR = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:315:23: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_SGE_LAST = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:418:24: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_MCQE_VALID = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:682:25: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] CREATE_EQ_EQESZ = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:685:23: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] CREATE_EQ_ARM = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:729:25: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] CREATE_MQEXT_VAL = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:2665:30: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_READ_LNKSTAT_CLOF = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:3473:35: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_SET_RECONFIG_LINKID_FD = (1 << 31), ^ >> drivers/scsi/elx/efct/efct_scsi.c:482:10: warning: Variable 'status' is assigned a value that is never used. [unreadVariable] status = 0; ^ -- drivers/scsi/elx/efct/efct_els.c:1767:6: warning: The scope of the variable 'rc' can be reduced. [variableScope] int rc; ^ >> drivers/scsi/elx/efct/efct_els.c:980:32: warning: 'els->els_req.virt' is of type 'void *'. When using void pointers in calculations, the behaviour is undefined. [arithOperationsOnVoidPointer] rscn_page = els->els_req.virt + sizeof(*req); ^ drivers/scsi/elx/efct/efct_els.c:1471:28: warning: 'els->els_req.virt' is of type 'void *'. When using void pointers in calculations, the behaviour is undefined. [arithOperationsOnVoidPointer] rftid = els->els_req.virt + sizeof(*ct); ^ drivers/scsi/elx/efct/efct_els.c:1515:28: warning: 'els->els_req.virt' is of type 'void *'. When using void pointers in calculations, the behaviour is undefined. [arithOperationsOnVoidPointer] rffid = els->els_req.virt + sizeof(*ct); ^ drivers/scsi/elx/efct/efct_els.c:1567:28: warning: 'els->els_req.virt' is of type 'void *'. When using void pointers in calculations, the behaviour is undefined. [arithOperationsOnVoidPointer] gidpt = els->els_req.virt + sizeof(*ct); ^ >> drivers/scsi/elx/libefc_sli/sli4.h:96:26: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_PORT_CTRL_FDD = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:223:29: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_PORT_STATUS_ERR = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:315:23: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_SGE_LAST = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:418:24: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_MCQE_VALID = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:682:25: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] CREATE_EQ_EQESZ = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:685:23: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] CREATE_EQ_ARM = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:729:25: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] CREATE_MQEXT_VAL = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:2665:30: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_READ_LNKSTAT_CLOF = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:3473:35: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_SET_RECONFIG_LINKID_FD = (1 << 31), ^ >> drivers/scsi/elx/efct/efct_els.c:1600:8: warning: Variable 's_id' is assigned a value that is never used. [unreadVariable] s_id = U32_MAX; ^ -- >> drivers/scsi/elx/efct/efct_xport.c:341:6: warning: Variable 'rc' is reassigned a value before the old one has been used. [redundantAssignment] rc = efct_hw_get_host_stats(&efct->hw, 1, ^ drivers/scsi/elx/efct/efct_xport.c:329:6: note: rc is assigned rc = efct_hw_get_link_stats(&efct->hw, 0, 1, 1, ^ drivers/scsi/elx/efct/efct_xport.c:341:6: note: rc is overwritten rc = efct_hw_get_host_stats(&efct->hw, 1, ^ drivers/scsi/elx/efct/efct_xport.c:619:17: warning: The scope of the variable 'timeout' can be reduced. [variableScope] unsigned long timeout; ^ drivers/scsi/elx/efct/efct_xport.c:836:23: warning: The scope of the variable 'sport' can be reduced. [variableScope] struct efc_sli_port *sport; ^ drivers/scsi/elx/efct/efct_xport.c:884:6: warning: The scope of the variable 'rc' can be reduced. [variableScope] int rc; ^ >> drivers/scsi/elx/efct/efct_xport.c:678:16: warning: Local variable 'efct' shadows outer variable [shadowVariable] struct efct *efct; ^ drivers/scsi/elx/efct/efct_xport.c:590:15: note: Shadowed declaration struct efct *efct = NULL; ^ drivers/scsi/elx/efct/efct_xport.c:678:16: note: Shadow variable struct efct *efct; ^ >> drivers/scsi/elx/libefc_sli/sli4.h:96:26: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_PORT_CTRL_FDD = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:223:29: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_PORT_STATUS_ERR = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:315:23: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_SGE_LAST = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:418:24: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_MCQE_VALID = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:682:25: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] CREATE_EQ_EQESZ = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:685:23: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] CREATE_EQ_ARM = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:729:25: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] CREATE_MQEXT_VAL = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:2665:30: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_READ_LNKSTAT_CLOF = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:3473:35: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_SET_RECONFIG_LINKID_FD = (1 << 31), ^ -- drivers/scsi/elx/efct/efct_hw.c:871:16: warning: The scope of the variable 'rq' can be reduced. [variableScope] struct hw_rq *rq; ^ drivers/scsi/elx/efct/efct_hw.c:1224:16: warning: The scope of the variable 'rq' can be reduced. [variableScope] struct hw_rq *rq; ^ drivers/scsi/elx/efct/efct_hw.c:1325:16: warning: The scope of the variable 'rq' can be reduced. [variableScope] struct hw_rq *rq; ^ drivers/scsi/elx/efct/efct_hw.c:2367:7: warning: The scope of the variable 'status' can be reduced. [variableScope] int status; ^ >> drivers/scsi/elx/efct/efct_hw.c:480:9: warning: Local variable 'arg' shadows outer argument [shadowArgument] void *arg = io->arg; ^ drivers/scsi/elx/efct/efct_hw.c:383:29: note: Shadowed declaration efct_hw_wq_process_io(void *arg, u8 *cqe, int status) ^ drivers/scsi/elx/efct/efct_hw.c:480:9: note: Shadow variable void *arg = io->arg; ^ drivers/scsi/elx/efct/efct_hw.c:1862:9: warning: Local variable 'arg' shadows outer argument [shadowArgument] void *arg = io->arg; ^ drivers/scsi/elx/efct/efct_hw.c:1842:32: note: Shadowed declaration efct_hw_wq_process_abort(void *arg, u8 *cqe, int status) ^ drivers/scsi/elx/efct/efct_hw.c:1862:9: note: Shadow variable void *arg = io->arg; ^ drivers/scsi/elx/efct/efct_hw.c:1881:9: warning: Local variable 'arg' shadows outer argument [shadowArgument] void *arg = io->abort_arg; ^ drivers/scsi/elx/efct/efct_hw.c:1842:32: note: Shadowed declaration efct_hw_wq_process_abort(void *arg, u8 *cqe, int status) ^ drivers/scsi/elx/efct/efct_hw.c:1881:9: note: Shadow variable void *arg = io->abort_arg; ^ >> drivers/scsi/elx/efct/efct_hw.c:1300:23: warning: 'hw->seq_pool' is of type 'void *'. When using void pointers in calculations, the behaviour is undefined. [arithOperationsOnVoidPointer] seq = hw->seq_pool + idx * sizeof(*seq); ^ >> drivers/scsi/elx/libefc_sli/sli4.h:96:26: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_PORT_CTRL_FDD = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:223:29: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_PORT_STATUS_ERR = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:315:23: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_SGE_LAST = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:418:24: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_MCQE_VALID = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:682:25: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] CREATE_EQ_EQESZ = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:685:23: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] CREATE_EQ_ARM = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:729:25: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] CREATE_MQEXT_VAL = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:2665:30: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_READ_LNKSTAT_CLOF = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:3473:35: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_SET_RECONFIG_LINKID_FD = (1 << 31), ^ >> drivers/scsi/elx/efct/efct_hw.c:633:8: warning: Variable 'i' is assigned a value that is never used. [unreadVariable] u32 i = 0, io_index = 0; ^ drivers/scsi/elx/efct/efct_hw.c:2056:8: warning: Variable 'i' is assigned a value that is never used. [unreadVariable] u32 i = 0; ^ -- drivers/scsi/elx/libefc/efc_domain.c:392:23: warning: The scope of the variable 'sport' can be reduced. [variableScope] struct efc_sli_port *sport; ^ drivers/scsi/elx/libefc/efc_domain.c:499:6: warning: The scope of the variable 'rc' can be reduced. [variableScope] int rc = 0; ^ drivers/scsi/elx/libefc/efc_domain.c:546:7: warning: The scope of the variable 'rc' can be reduced. [variableScope] int rc; ^ drivers/scsi/elx/libefc/efc_domain.c:699:7: warning: The scope of the variable 'rc' can be reduced. [variableScope] int rc; ^ drivers/scsi/elx/libefc/efc_domain.c:866:7: warning: The scope of the variable 'rc' can be reduced. [variableScope] int rc; ^ >> drivers/scsi/elx/libefc/efc_domain.c:546:7: warning: Local variable 'rc' shadows outer variable [shadowVariable] int rc; ^ drivers/scsi/elx/libefc/efc_domain.c:499:6: note: Shadowed declaration int rc = 0; ^ drivers/scsi/elx/libefc/efc_domain.c:546:7: note: Shadow variable int rc; ^ -- >> drivers/scsi/elx/libefc/efc_fabric.c:1274:14: warning: Variable 'remote_wwpn' is reassigned a value before the old one has been used. [redundantAssignment] remote_wwpn = efc_get_wwpn(remote_sp); ^ drivers/scsi/elx/libefc/efc_fabric.c:1270:14: note: remote_wwpn is assigned remote_wwpn = efc_get_wwpn(remote_sp); ^ drivers/scsi/elx/libefc/efc_fabric.c:1274:14: note: remote_wwpn is overwritten remote_wwpn = efc_get_wwpn(remote_sp); ^ drivers/scsi/elx/libefc/efc_fabric.c:26:6: warning: The scope of the variable 'rc' can be reduced. [variableScope] int rc; ^ drivers/scsi/elx/libefc/efc_fabric.c:479:6: warning: The scope of the variable 'rc' can be reduced. [variableScope] int rc; ^ drivers/scsi/elx/libefc/efc_fabric.c:1502:6: warning: The scope of the variable 'rc' can be reduced. [variableScope] int rc; ^ >> drivers/scsi/elx/libefc/efc_fabric.c:726:38: warning: 'data' is of type 'void *'. When using void pointers in calculations, the behaviour is undefined. [arithOperationsOnVoidPointer] struct fc_gid_pn_resp *gidpt = data + sizeof(*hdr); ^ -- >> drivers/scsi/elx/efct/efct_lio.c:1663:1: warning: %u in format string (no. 1) requires 'unsigned int' but the argument type is 'signed int'. [invalidPrintfArgType_uint] DEF_EFCT_TPG_ATTRIB(generate_node_acls); ^ drivers/scsi/elx/efct/efct_lio.c:1664:1: warning: %u in format string (no. 1) requires 'unsigned int' but the argument type is 'signed int'. [invalidPrintfArgType_uint] DEF_EFCT_TPG_ATTRIB(cache_dynamic_acls); ^ drivers/scsi/elx/efct/efct_lio.c:1665:1: warning: %u in format string (no. 1) requires 'unsigned int' but the argument type is 'signed int'. [invalidPrintfArgType_uint] DEF_EFCT_TPG_ATTRIB(demo_mode_write_protect); ^ drivers/scsi/elx/efct/efct_lio.c:1666:1: warning: %u in format string (no. 1) requires 'unsigned int' but the argument type is 'signed int'. [invalidPrintfArgType_uint] DEF_EFCT_TPG_ATTRIB(prod_mode_write_protect); ^ drivers/scsi/elx/efct/efct_lio.c:1667:1: warning: %u in format string (no. 1) requires 'unsigned int' but the argument type is 'signed int'. [invalidPrintfArgType_uint] DEF_EFCT_TPG_ATTRIB(demo_mode_login_only); ^ drivers/scsi/elx/efct/efct_lio.c:1719:1: warning: %u in format string (no. 1) requires 'unsigned int' but the argument type is 'signed int'. [invalidPrintfArgType_uint] DEF_EFCT_NPIV_TPG_ATTRIB(generate_node_acls); ^ drivers/scsi/elx/efct/efct_lio.c:1720:1: warning: %u in format string (no. 1) requires 'unsigned int' but the argument type is 'signed int'. [invalidPrintfArgType_uint] DEF_EFCT_NPIV_TPG_ATTRIB(cache_dynamic_acls); ^ drivers/scsi/elx/efct/efct_lio.c:1721:1: warning: %u in format string (no. 1) requires 'unsigned int' but the argument type is 'signed int'. [invalidPrintfArgType_uint] DEF_EFCT_NPIV_TPG_ATTRIB(demo_mode_write_protect); ^ drivers/scsi/elx/efct/efct_lio.c:1722:1: warning: %u in format string (no. 1) requires 'unsigned int' but the argument type is 'signed int'. [invalidPrintfArgType_uint] DEF_EFCT_NPIV_TPG_ATTRIB(prod_mode_write_protect); ^ drivers/scsi/elx/efct/efct_lio.c:1723:1: warning: %u in format string (no. 1) requires 'unsigned int' but the argument type is 'signed int'. [invalidPrintfArgType_uint] DEF_EFCT_NPIV_TPG_ATTRIB(demo_mode_login_only); ^ drivers/scsi/elx/efct/efct_lio.c:93:6: warning: The scope of the variable 'ret' can be reduced. [variableScope] int ret; ^ drivers/scsi/elx/efct/efct_lio.c:150:6: warning: The scope of the variable 'ret' can be reduced. [variableScope] int ret; ^ >> drivers/scsi/elx/efct/efct_lio.c:480:22: warning: Passing NULL after the last typed argument to a variadic function leads to undefined behaviour. [varFuncNullUB] EFCT_XPORT_SHUTDOWN, NULL); ^ >> drivers/scsi/elx/libefc_sli/sli4.h:96:26: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_PORT_CTRL_FDD = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:223:29: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_PORT_STATUS_ERR = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:315:23: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_SGE_LAST = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:418:24: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_MCQE_VALID = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:682:25: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] CREATE_EQ_EQESZ = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:685:23: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] CREATE_EQ_ARM = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:729:25: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] CREATE_MQEXT_VAL = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:2665:30: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_READ_LNKSTAT_CLOF = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:3473:35: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_SET_RECONFIG_LINKID_FD = (1 << 31), ^ >> drivers/scsi/elx/efct/efct_lio.c:461:2: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] efct_set_lio_io_state(io, EFCT_LIO_STATE_SCSI_CMPL_CMD); ^ -- >> drivers/scsi/elx/libefc/efc_node.c:887:2: warning: %llX in format string (no. 1) requires 'unsigned long long' but the argument type is 'unsigned long'. [invalidPrintfArgType_uint] snprintf(buffer, buffer_len, "eui.%016llX", eui_name); ^ -- drivers/scsi/elx/efct/efct_unsol.c:28:16: warning: The scope of the variable 'flags' can be reduced. [variableScope] unsigned long flags = 0; ^ drivers/scsi/elx/efct/efct_unsol.c:210:26: warning: The scope of the variable 'frame' can be reduced. [variableScope] struct efc_hw_sequence *frame; ^ drivers/scsi/elx/efct/efct_unsol.c:533:6: warning: The scope of the variable 'rc' can be reduced. [variableScope] int rc = 0; ^ >> drivers/scsi/elx/libefc_sli/sli4.h:96:26: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_PORT_CTRL_FDD = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:223:29: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_PORT_STATUS_ERR = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:315:23: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_SGE_LAST = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:418:24: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_MCQE_VALID = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:682:25: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] CREATE_EQ_EQESZ = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:685:23: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] CREATE_EQ_ARM = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:729:25: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] CREATE_MQEXT_VAL = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:2665:30: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_READ_LNKSTAT_CLOF = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:3473:35: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_SET_RECONFIG_LINKID_FD = (1 << 31), ^ >> drivers/scsi/elx/efct/efct_unsol.c:533:9: warning: Variable 'rc' is assigned a value that is never used. [unreadVariable] int rc = 0; ^ -- >> drivers/scsi/elx/libefc/efc_sport.c:101:2: warning: %llX in format string (no. 1) requires 'unsigned long long' but the argument type is 'unsigned long'. [invalidPrintfArgType_uint] snprintf(sport->wwnn_str, sizeof(sport->wwnn_str), "%016llX", wwnn); ^ drivers/scsi/elx/libefc/efc_sport.c:422:20: warning: The scope of the variable 'fabric' can be reduced. [variableScope] struct efc_node *fabric; ^ -- drivers/scsi/elx/libefc/efc_device.c:485:6: warning: The scope of the variable 'rc' can be reduced. [variableScope] int rc; ^ drivers/scsi/elx/libefc/efc_device.c:1486:6: warning: The scope of the variable 'rc' can be reduced. [variableScope] int rc = EFC_SCSI_CALL_COMPLETE; ^ drivers/scsi/elx/libefc/efc_device.c:1487:6: warning: The scope of the variable 'rc_2' can be reduced. [variableScope] int rc_2 = EFC_SCSI_CALL_COMPLETE; ^ >> drivers/scsi/elx/libefc/efc_device.c:372:31: warning: 'prli' is of type 'void *'. When using void pointers in calculations, the behaviour is undefined. [arithOperationsOnVoidPointer] struct fc_els_spp *sp = prli + sizeof(struct fc_els_prli); ^ >> drivers/scsi/elx/libefc/efc_device.c:1193:6: warning: 'cbdata->payload->dma.virt' is of type 'void *'. When using void pointers in calculations, the behaviour is undefined. [arithOperationsOnVoidPointer] + sizeof(struct fc_els_prli); ^ drivers/scsi/elx/libefc/efc_device.c:1397:6: warning: 'cbdata->payload->dma.virt' is of type 'void *'. When using void pointers in calculations, the behaviour is undefined. [arithOperationsOnVoidPointer] + sizeof(struct fc_els_prli); ^ -- >> drivers/scsi/elx/libefc_sli/sli4.c:1372:6: warning: Condition 'valid' is always true [knownConditionTrueFalse] if (valid && clear) { ^ drivers/scsi/elx/libefc_sli/sli4.c:1367:6: note: Assuming that condition '!valid' is not redundant if (!valid) { ^ drivers/scsi/elx/libefc_sli/sli4.c:1372:6: note: Condition 'valid' is always true if (valid && clear) { ^ drivers/scsi/elx/libefc_sli/sli4.c:1425:6: warning: Condition 'valid' is always true [knownConditionTrueFalse] if (valid && clear) { ^ drivers/scsi/elx/libefc_sli/sli4.c:1420:6: note: Assuming that condition '!valid' is not redundant if (!valid) { ^ drivers/scsi/elx/libefc_sli/sli4.c:1425:6: note: Condition 'valid' is always true if (valid && clear) { ^ >> drivers/scsi/elx/libefc_sli/sli4.c:4018:2: warning: Either the condition 'extent' is redundant or there is possible null pointer dereference: extent. [nullPointerRedundantCheck] extent->resource_type = cpu_to_le16(rtype); ^ drivers/scsi/elx/libefc_sli/sli4.c:4011:6: note: Assuming that condition 'extent' is not redundant if (extent) ^ drivers/scsi/elx/libefc_sli/sli4.c:4018:2: note: Null pointer dereference extent->resource_type = cpu_to_le16(rtype); ^ drivers/scsi/elx/libefc_sli/sli4.c:2175:19: warning: The scope of the variable 'bptr' can be reduced. [variableScope] struct sli4_bde *bptr; ^ >> drivers/scsi/elx/libefc_sli/sli4.c:3068:35: warning: Local variable 'rcqe' shadows outer variable [shadowVariable] struct sli4_fc_coalescing_rcqe *rcqe = (void *)cqe; ^ drivers/scsi/elx/libefc_sli/sli4.c:2995:29: note: Shadowed declaration struct sli4_fc_async_rcqe *rcqe = (void *)cqe; ^ drivers/scsi/elx/libefc_sli/sli4.c:3068:35: note: Shadow variable struct sli4_fc_coalescing_rcqe *rcqe = (void *)cqe; ^ >> drivers/scsi/elx/libefc_sli/sli4.c:3069:7: warning: Local variable 'rq_element_index' shadows outer variable [shadowVariable] u16 rq_element_index = ^ drivers/scsi/elx/libefc_sli/sli4.c:2999:6: note: Shadowed declaration u16 rq_element_index; ^ drivers/scsi/elx/libefc_sli/sli4.c:3069:7: note: Shadow variable u16 rq_element_index = ^ >> drivers/scsi/elx/libefc_sli/sli4.c:4487:8: warning: Local variable 'i' shadows outer variable [shadowVariable] u32 i = 0, size = 0; ^ drivers/scsi/elx/libefc_sli/sli4.c:4470:7: note: Shadowed declaration u32 i; ^ drivers/scsi/elx/libefc_sli/sli4.c:4487:8: note: Shadow variable u32 i = 0, size = 0; ^ >> drivers/scsi/elx/libefc_sli/sli4.c:71:7: warning: 'buf' is of type 'void *'. When using void pointers in calculations, the behaviour is undefined. [arithOperationsOnVoidPointer] buf += offsetof(struct sli4_cmd_sli_config, payload.embed); ^ >> drivers/scsi/elx/libefc_sli/sli4.h:96:26: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_PORT_CTRL_FDD = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:223:29: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_PORT_STATUS_ERR = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:315:23: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_SGE_LAST = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:418:24: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_MCQE_VALID = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:682:25: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] CREATE_EQ_EQESZ = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:685:23: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] CREATE_EQ_ARM = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:729:25: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] CREATE_MQEXT_VAL = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:2665:30: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_READ_LNKSTAT_CLOF = (1 << 31), ^ drivers/scsi/elx/libefc_sli/sli4.h:3473:35: warning: Shifting signed 32-bit value by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned] SLI4_SET_RECONFIG_LINKID_FD = (1 << 31), ^ vim +/rc +829 drivers/scsi/elx/efct/efct_driver.c 3569c2ab8265ff James Smart 2020-04-11 823 3569c2ab8265ff James Smart 2020-04-11 824 static 3569c2ab8265ff James Smart 2020-04-11 825 int __init efct_init(void) 3569c2ab8265ff James Smart 2020-04-11 826 { 3569c2ab8265ff James Smart 2020-04-11 827 int rc = -ENODEV; 3569c2ab8265ff James Smart 2020-04-11 828 3569c2ab8265ff James Smart 2020-04-11 @829 rc = efct_device_init(); 3569c2ab8265ff James Smart 2020-04-11 830 if (rc) { 3569c2ab8265ff James Smart 2020-04-11 831 pr_err("efct_device_init failed rc=%d\n", rc); 3569c2ab8265ff James Smart 2020-04-11 832 return -ENOMEM; 3569c2ab8265ff James Smart 2020-04-11 833 } 3569c2ab8265ff James Smart 2020-04-11 834 3569c2ab8265ff James Smart 2020-04-11 835 rc = pci_register_driver(&efct_pci_driver); 3569c2ab8265ff James Smart 2020-04-11 836 if (rc) 3569c2ab8265ff James Smart 2020-04-11 837 goto l1; 3569c2ab8265ff James Smart 2020-04-11 838 3569c2ab8265ff James Smart 2020-04-11 839 return rc; 3569c2ab8265ff James Smart 2020-04-11 840 3569c2ab8265ff James Smart 2020-04-11 841 l1: 3569c2ab8265ff James Smart 2020-04-11 842 efct_device_shutdown(); 3569c2ab8265ff James Smart 2020-04-11 843 return rc; 3569c2ab8265ff James Smart 2020-04-11 844 } 3569c2ab8265ff James Smart 2020-04-11 845 :::::: The code@line 829 was first introduced by commit :::::: 3569c2ab8265ffc43780ee31f4c4ef80e37cf0f7 elx: efct: Driver initialization routines :::::: TO: James Smart <jsmart2021@gmail.com> :::::: CC: 0day robot <lkp@intel.com> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
next prev parent reply other threads:[~2020-04-12 7:56 UTC|newest] Thread overview: 125+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-04-12 3:32 [PATCH v3 00/31] [NEW] efct: Broadcom (Emulex) FC Target driver James Smart 2020-04-12 3:32 ` [PATCH v3 01/31] elx: libefc_sli: SLI-4 register offsets and field definitions James Smart 2020-04-14 15:23 ` Daniel Wagner 2020-04-22 4:28 ` James Smart 2020-04-15 12:06 ` Hannes Reinecke 2020-04-23 1:52 ` Roman Bolshakov 2020-04-12 3:32 ` [PATCH v3 02/31] elx: libefc_sli: SLI Descriptors and Queue entries James Smart 2020-04-14 18:02 ` Daniel Wagner 2020-04-22 4:41 ` James Smart 2020-04-15 12:14 ` Hannes Reinecke 2020-04-15 17:43 ` James Bottomley 2020-04-22 4:44 ` James Smart 2020-04-12 3:32 ` [PATCH v3 03/31] elx: libefc_sli: Data structures and defines for mbox commands James Smart 2020-04-14 19:01 ` Daniel Wagner 2020-04-15 12:22 ` Hannes Reinecke 2020-04-12 3:32 ` [PATCH v3 04/31] elx: libefc_sli: queue create/destroy/parse routines James Smart 2020-04-15 10:04 ` Daniel Wagner 2020-04-22 5:05 ` James Smart 2020-04-24 7:29 ` Daniel Wagner 2020-04-24 15:21 ` James Smart 2020-04-15 12:27 ` Hannes Reinecke 2020-04-12 3:32 ` [PATCH v3 05/31] elx: libefc_sli: Populate and post different WQEs James Smart 2020-04-15 14:34 ` Daniel Wagner 2020-04-22 5:08 ` James Smart 2020-04-12 3:32 ` [PATCH v3 06/31] elx: libefc_sli: bmbx routines and SLI config commands James Smart 2020-04-15 16:10 ` Daniel Wagner 2020-04-22 5:12 ` James Smart 2020-04-12 3:32 ` [PATCH v3 07/31] elx: libefc_sli: APIs to setup SLI library James Smart 2020-04-15 12:49 ` Hannes Reinecke 2020-04-15 17:06 ` Daniel Wagner 2020-04-12 3:32 ` [PATCH v3 08/31] elx: libefc: Generic state machine framework James Smart 2020-04-15 12:37 ` Hannes Reinecke 2020-04-15 17:20 ` Daniel Wagner 2020-04-12 3:32 ` [PATCH v3 09/31] elx: libefc: Emulex FC discovery library APIs and definitions James Smart 2020-04-15 12:41 ` Hannes Reinecke 2020-04-15 17:32 ` Daniel Wagner 2020-04-12 3:32 ` [PATCH v3 10/31] elx: libefc: FC Domain state machine interfaces James Smart 2020-04-15 12:50 ` Hannes Reinecke 2020-04-15 17:50 ` Daniel Wagner 2020-04-12 3:32 ` [PATCH v3 11/31] elx: libefc: SLI and FC PORT " James Smart 2020-04-15 15:38 ` Hannes Reinecke 2020-04-22 23:12 ` James Smart 2020-04-15 18:04 ` Daniel Wagner 2020-04-12 3:32 ` [PATCH v3 12/31] elx: libefc: Remote node " James Smart 2020-04-15 15:51 ` Hannes Reinecke 2020-04-23 1:35 ` James Smart 2020-04-23 8:02 ` Daniel Wagner 2020-04-23 18:24 ` James Smart 2020-04-15 18:19 ` Daniel Wagner 2020-04-23 1:32 ` James Smart 2020-04-23 7:49 ` Daniel Wagner 2020-04-12 3:32 ` [PATCH v3 13/31] elx: libefc: Fabric " James Smart 2020-04-15 18:51 ` Daniel Wagner 2020-04-16 6:37 ` Hannes Reinecke 2020-04-23 1:38 ` James Smart 2020-04-12 3:32 ` [PATCH v3 14/31] elx: libefc: FC node ELS and state handling James Smart 2020-04-15 18:56 ` Daniel Wagner 2020-04-23 2:50 ` James Smart 2020-04-23 8:05 ` Daniel Wagner 2020-04-23 8:12 ` Nathan Chancellor 2020-04-16 6:47 ` Hannes Reinecke 2020-04-23 2:55 ` James Smart 2020-04-12 3:32 ` [PATCH v3 15/31] elx: efct: Data structures and defines for hw operations James Smart 2020-04-16 6:51 ` Hannes Reinecke 2020-04-23 2:57 ` James Smart 2020-04-16 7:22 ` Daniel Wagner 2020-04-23 2:59 ` James Smart 2020-04-12 3:32 ` [PATCH v3 16/31] elx: efct: Driver initialization routines James Smart 2020-04-16 7:11 ` Hannes Reinecke 2020-04-23 3:09 ` James Smart 2020-04-16 8:03 ` Daniel Wagner 2020-04-12 3:32 ` [PATCH v3 17/31] elx: efct: Hardware queues creation and deletion James Smart 2020-04-16 7:14 ` Hannes Reinecke 2020-04-16 8:24 ` Daniel Wagner 2020-04-12 3:32 ` [PATCH v3 18/31] elx: efct: RQ buffer, memory pool allocation and deallocation APIs James Smart 2020-04-16 7:24 ` Hannes Reinecke 2020-04-23 3:16 ` James Smart 2020-04-16 8:41 ` Daniel Wagner 2020-04-12 3:32 ` [PATCH v3 19/31] elx: efct: Hardware IO and SGL initialization James Smart 2020-04-16 7:32 ` Hannes Reinecke 2020-04-16 8:47 ` Daniel Wagner 2020-04-12 3:32 ` [PATCH v3 20/31] elx: efct: Hardware queues processing James Smart 2020-04-16 7:37 ` Hannes Reinecke 2020-04-16 9:17 ` Daniel Wagner 2020-04-12 3:32 ` [PATCH v3 21/31] elx: efct: Unsolicited FC frame processing routines James Smart 2020-04-16 9:36 ` Daniel Wagner 2020-04-12 3:32 ` [PATCH v3 22/31] elx: efct: Extended link Service IO handling James Smart 2020-04-16 7:58 ` Hannes Reinecke 2020-04-23 3:30 ` James Smart 2020-04-16 9:49 ` Daniel Wagner 2020-04-12 3:32 ` [PATCH v3 23/31] elx: efct: SCSI IO handling routines James Smart 2020-04-16 11:40 ` Daniel Wagner 2020-04-12 3:32 ` [PATCH v3 24/31] elx: efct: LIO backend interface routines James Smart 2020-04-12 4:57 ` Bart Van Assche 2020-04-16 11:48 ` Daniel Wagner 2020-04-22 4:20 ` James Smart 2020-04-22 5:09 ` Bart Van Assche 2020-04-23 1:39 ` James Smart 2020-04-16 8:02 ` Hannes Reinecke 2020-04-16 12:34 ` Daniel Wagner 2020-04-22 4:20 ` James Smart 2020-04-12 3:32 ` [PATCH v3 25/31] elx: efct: Hardware IO submission routines James Smart 2020-04-16 8:10 ` Hannes Reinecke 2020-04-16 12:45 ` Daniel Wagner 2020-04-23 3:37 ` James Smart 2020-04-16 12:44 ` Daniel Wagner 2020-04-12 3:32 ` [PATCH v3 26/31] elx: efct: link statistics and SFP data James Smart 2020-04-16 12:55 ` Daniel Wagner 2020-04-12 3:32 ` [PATCH v3 27/31] elx: efct: xport and hardware teardown routines James Smart 2020-04-16 9:45 ` Hannes Reinecke 2020-04-16 13:01 ` Daniel Wagner 2020-04-12 3:33 ` [PATCH v3 28/31] elx: efct: Firmware update, async link processing James Smart 2020-04-16 10:01 ` Hannes Reinecke 2020-04-16 13:10 ` Daniel Wagner 2020-04-12 3:33 ` [PATCH v3 29/31] elx: efct: scsi_transport_fc host interface support James Smart 2020-04-12 3:33 ` [PATCH v3 30/31] elx: efct: Add Makefile and Kconfig for efct driver James Smart 2020-04-16 10:02 ` Hannes Reinecke 2020-04-16 13:15 ` Daniel Wagner 2020-04-12 3:33 ` [PATCH v3 31/31] elx: efct: Tie into kernel Kconfig and build process James Smart 2020-04-12 6:16 ` kbuild test robot 2020-04-12 6:16 ` kbuild test robot 2020-04-12 7:56 ` kbuild test robot [this message] 2020-04-12 7:56 ` kbuild test robot 2020-04-16 13:15 ` Daniel Wagner 2020-04-12 7:22 kbuild test robot
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