From a9d4aece2255ca2379069df4bce450ace2f1af49 Mon Sep 17 00:00:00 2001 From: Lee Jones Date: Mon, 13 Jul 2020 08:46:24 +0100 Subject: scsi: qedf: Demote obvious misuse of kerneldoc to standard comment blocks No attempt has been made to document either of the demoted functions here. Fixes the following W=1 kernel build warning(s): drivers/scsi/qedf/qedf_main.c:1027: warning: Function parameter or member 'lport' not described in 'qedf_xmit' drivers/scsi/qedf/qedf_main.c:1027: warning: Function parameter or member 'fp' not described in 'qedf_xmit' drivers/scsi/qedf/qedf_main.c:1426: warning: Function parameter or member 'lport' not described in 'qedf_rport_event_handler' drivers/scsi/qedf/qedf_main.c:1426: warning: Function parameter or member 'rdata' not described in 'qedf_rport_event_handler' drivers/scsi/qedf/qedf_main.c:1426: warning: Function parameter or member 'event' not described in 'qedf_rport_event_handler' Link: https://lore.kernel.org/r/20200713074645.126138-9-lee.jones@linaro.org Cc: QLogic-Storage-Upstream@cavium.com Signed-off-by: Lee Jones Signed-off-by: Martin K. Petersen --- drivers/scsi/qedf/qedf_main.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) (limited to 'drivers/scsi/qedf') diff --git a/drivers/scsi/qedf/qedf_main.c b/drivers/scsi/qedf/qedf_main.c index 36b1ca2dadbb..a77a74fad6a7 100644 --- a/drivers/scsi/qedf/qedf_main.c +++ b/drivers/scsi/qedf/qedf_main.c @@ -1019,9 +1019,8 @@ static int qedf_xmit_l2_frame(struct qedf_rport *fcport, struct fc_frame *fp) return rc; } -/** +/* * qedf_xmit - qedf FCoE frame transmit function - * */ static int qedf_xmit(struct fc_lport *lport, struct fc_frame *fp) { @@ -1415,7 +1414,7 @@ static void qedf_cleanup_fcport(struct qedf_ctx *qedf, kref_put(&rdata->kref, fc_rport_destroy); } -/** +/* * This event_callback is called after successful completion of libfc * initiated target login. qedf can proceed with initiating the session * establishment. -- cgit v1.2.3 From c6e2f4bd794a3b745a02043428c7f9c43b628192 Mon Sep 17 00:00:00 2001 From: Lee Jones Date: Mon, 13 Jul 2020 08:46:25 +0100 Subject: scsi: qedf: Remove set but not checked variable 'tmp' MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Looks like the return value of readw() has never been checked. Fixes the following W=1 kernel build warning(s): drivers/scsi/qedf/qedf_main.c: In function ‘__qedf_probe’: drivers/scsi/qedf/qedf_main.c:3203:6: warning: variable ‘tmp’ set but not used [-Wunused-but-set-variable] Link: https://lore.kernel.org/r/20200713074645.126138-10-lee.jones@linaro.org Cc: QLogic-Storage-Upstream@cavium.com Signed-off-by: Lee Jones Signed-off-by: Martin K. Petersen --- drivers/scsi/qedf/qedf_main.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) (limited to 'drivers/scsi/qedf') diff --git a/drivers/scsi/qedf/qedf_main.c b/drivers/scsi/qedf/qedf_main.c index a77a74fad6a7..47fc14f5ed9d 100644 --- a/drivers/scsi/qedf/qedf_main.c +++ b/drivers/scsi/qedf/qedf_main.c @@ -3199,7 +3199,6 @@ static int __qedf_probe(struct pci_dev *pdev, int mode) void *task_start, *task_end; struct qed_slowpath_params slowpath_params; struct qed_probe_params qed_params; - u16 tmp; /* * When doing error recovery we didn't reap the lport so don't try @@ -3393,9 +3392,9 @@ static int __qedf_probe(struct pci_dev *pdev, int mode) "Writing %d to primary and secondary BDQ doorbell registers.\n", qedf->bdq_prod_idx); writew(qedf->bdq_prod_idx, qedf->bdq_primary_prod); - tmp = readw(qedf->bdq_primary_prod); + readw(qedf->bdq_primary_prod); writew(qedf->bdq_prod_idx, qedf->bdq_secondary_prod); - tmp = readw(qedf->bdq_secondary_prod); + readw(qedf->bdq_secondary_prod); qed_ops->common->set_power_state(qedf->cdev, PCI_D0); -- cgit v1.2.3 From 50efc51cb9ff904923058ad95629ac5dd52443f2 Mon Sep 17 00:00:00 2001 From: Lee Jones Date: Mon, 13 Jul 2020 08:46:32 +0100 Subject: scsi: qedf: Remove a whole host of unused variables MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Fixes the following W=1 kernel build warning(s): drivers/scsi/qedf/qedf_io.c: In function ‘qedf_cmd_timeout’: drivers/scsi/qedf/qedf_io.c:25:5: warning: variable ‘op’ set but not used [-Wunused-but-set-variable] 25 | u8 op = 0; | ^~ drivers/scsi/qedf/qedf_io.c: In function ‘qedf_map_sg’: drivers/scsi/qedf/qedf_io.c:490:12: warning: variable ‘end_addr’ set but not used [-Wunused-but-set-variable] 490 | u64 addr, end_addr; | ^~~~~~~~ drivers/scsi/qedf/qedf_io.c: In function ‘qedf_post_io_req’: drivers/scsi/qedf/qedf_io.c:863:22: warning: variable ‘req_type’ set but not used [-Wunused-but-set-variable] 863 | enum fcoe_task_type req_type = 0; | ^~~~~~~~ drivers/scsi/qedf/qedf_io.c: In function ‘qedf_scsi_completion’: drivers/scsi/qedf/qedf_io.c:1134:31: warning: variable ‘task_ctx’ set but not used [-Wunused-but-set-variable] 1134 | struct e4_fcoe_task_context *task_ctx; | ^~~~~~~~ drivers/scsi/qedf/qedf_io.c: In function ‘qedf_scsi_done’: drivers/scsi/qedf/qedf_io.c:1345:6: warning: variable ‘xid’ set but not used [-Wunused-but-set-variable] 1345 | u16 xid; | ^~~ drivers/scsi/qedf/qedf_io.c: In function ‘qedf_initiate_abts’: drivers/scsi/qedf/qedf_io.c:1866:6: warning: variable ‘r_a_tov’ set but not used [-Wunused-but-set-variable] 1866 | u32 r_a_tov = 0; | ^~~~~~~ drivers/scsi/qedf/qedf_io.c: In function ‘qedf_process_abts_compl’: drivers/scsi/qedf/qedf_io.c:1967:11: warning: variable ‘xid’ set but not used [-Wunused-but-set-variable] 1967 | uint16_t xid; | ^~~ drivers/scsi/qedf/qedf_io.c: In function ‘qedf_initiate_cleanup’: drivers/scsi/qedf/qedf_io.c:2163:31: warning: variable ‘task’ set but not used [-Wunused-but-set-variable] 2163 | struct e4_fcoe_task_context *task; | ^~~~ drivers/scsi/qedf/qedf_io.c: In function ‘qedf_process_unsol_compl’: drivers/scsi/qedf/qedf_io.c:2534:11: warning: variable ‘tmp’ set but not used [-Wunused-but-set-variable] 2534 | uint16_t tmp; | ^~~ Link: https://lore.kernel.org/r/20200713074645.126138-17-lee.jones@linaro.org Cc: QLogic-Storage-Upstream@cavium.com Signed-off-by: Lee Jones Signed-off-by: Martin K. Petersen --- drivers/scsi/qedf/qedf_io.c | 30 ++++-------------------------- 1 file changed, 4 insertions(+), 26 deletions(-) (limited to 'drivers/scsi/qedf') diff --git a/drivers/scsi/qedf/qedf_io.c b/drivers/scsi/qedf/qedf_io.c index 0f6a15c1a04b..acd9774a9387 100644 --- a/drivers/scsi/qedf/qedf_io.c +++ b/drivers/scsi/qedf/qedf_io.c @@ -22,7 +22,6 @@ static void qedf_cmd_timeout(struct work_struct *work) container_of(work, struct qedf_ioreq, timeout_work.work); struct qedf_ctx *qedf; struct qedf_rport *fcport; - u8 op = 0; if (io_req == NULL) { QEDF_INFO(NULL, QEDF_LOG_IO, "io_req is NULL.\n"); @@ -89,7 +88,6 @@ static void qedf_cmd_timeout(struct work_struct *work) io_req->event = QEDF_IOREQ_EV_ELS_TMO; /* Call callback function to complete command */ if (io_req->cb_func && io_req->cb_arg) { - op = io_req->cb_arg->op; io_req->cb_func(io_req->cb_arg); io_req->cb_arg = NULL; } @@ -487,7 +485,7 @@ static int qedf_map_sg(struct qedf_ioreq *io_req) int sg_count = 0; int bd_count = 0; u32 sg_len; - u64 addr, end_addr; + u64 addr; int i = 0; sg_count = dma_map_sg(&qedf->pdev->dev, scsi_sglist(sc), @@ -502,10 +500,9 @@ static int qedf_map_sg(struct qedf_ioreq *io_req) scsi_for_each_sg(sc, sg, sg_count, i) { sg_len = (u32)sg_dma_len(sg); addr = (u64)sg_dma_address(sg); - end_addr = (u64)(addr + sg_len); /* - * Intermediate s/g element so check if start and end address + * Intermediate s/g element so check if start address * is page aligned. Only required for writes and only if the * number of scatter/gather elements is 8 or more. */ @@ -860,7 +857,6 @@ int qedf_post_io_req(struct qedf_rport *fcport, struct qedf_ioreq *io_req) struct qedf_ctx *qedf = lport_priv(lport); struct e4_fcoe_task_context *task_ctx; u16 xid; - enum fcoe_task_type req_type = 0; struct fcoe_wqe *sqe; u16 sqe_idx; @@ -873,11 +869,9 @@ int qedf_post_io_req(struct qedf_rport *fcport, struct qedf_ioreq *io_req) io_req->cpu = smp_processor_id(); if (sc_cmd->sc_data_direction == DMA_FROM_DEVICE) { - req_type = FCOE_TASK_TYPE_READ_INITIATOR; io_req->io_req_flags = QEDF_READ; qedf->input_requests++; } else if (sc_cmd->sc_data_direction == DMA_TO_DEVICE) { - req_type = FCOE_TASK_TYPE_WRITE_INITIATOR; io_req->io_req_flags = QEDF_WRITE; qedf->output_requests++; } else { @@ -1130,8 +1124,6 @@ static void qedf_unmap_sg_list(struct qedf_ctx *qedf, struct qedf_ioreq *io_req) void qedf_scsi_completion(struct qedf_ctx *qedf, struct fcoe_cqe *cqe, struct qedf_ioreq *io_req) { - u16 xid; - struct e4_fcoe_task_context *task_ctx; struct scsi_cmnd *sc_cmd; struct fcoe_cqe_rsp_info *fcp_rsp; struct qedf_rport *fcport; @@ -1155,8 +1147,6 @@ void qedf_scsi_completion(struct qedf_ctx *qedf, struct fcoe_cqe *cqe, return; } - xid = io_req->xid; - task_ctx = qedf_get_task_mem(&qedf->tasks, xid); sc_cmd = io_req->sc_cmd; fcp_rsp = &cqe->cqe_info.rsp_info; @@ -1342,7 +1332,6 @@ out: void qedf_scsi_done(struct qedf_ctx *qedf, struct qedf_ioreq *io_req, int result) { - u16 xid; struct scsi_cmnd *sc_cmd; int refcount; @@ -1364,7 +1353,6 @@ void qedf_scsi_done(struct qedf_ctx *qedf, struct qedf_ioreq *io_req, */ clear_bit(QEDF_CMD_OUTSTANDING, &io_req->flags); - xid = io_req->xid; sc_cmd = io_req->sc_cmd; if (!sc_cmd) { @@ -1863,7 +1851,6 @@ int qedf_initiate_abts(struct qedf_ioreq *io_req, bool return_scsi_cmd_on_abts) struct fc_rport_priv *rdata; struct qedf_ctx *qedf; u16 xid; - u32 r_a_tov = 0; int rc = 0; unsigned long flags; struct fcoe_wqe *sqe; @@ -1886,7 +1873,6 @@ int qedf_initiate_abts(struct qedf_ioreq *io_req, bool return_scsi_cmd_on_abts) goto out; } - r_a_tov = rdata->r_a_tov; lport = qedf->lport; if (lport->state != LPORT_ST_READY || !(lport->link_up)) { @@ -1964,14 +1950,12 @@ void qedf_process_abts_compl(struct qedf_ctx *qedf, struct fcoe_cqe *cqe, struct qedf_ioreq *io_req) { uint32_t r_ctl; - uint16_t xid; int rc; struct qedf_rport *fcport = io_req->fcport; QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_SCSI_TM, "Entered with xid = " "0x%x cmd_type = %d\n", io_req->xid, io_req->cmd_type); - xid = io_req->xid; r_ctl = cqe->cqe_info.abts_info.r_ctl; /* This was added at a point when we were scheduling abts_compl & @@ -2159,8 +2143,6 @@ int qedf_initiate_cleanup(struct qedf_ioreq *io_req, { struct qedf_rport *fcport; struct qedf_ctx *qedf; - uint16_t xid; - struct e4_fcoe_task_context *task; int tmo = 0; int rc = SUCCESS; unsigned long flags; @@ -2220,12 +2202,9 @@ int qedf_initiate_cleanup(struct qedf_ioreq *io_req, refcount, fcport, fcport->rdata->ids.port_id); /* Cleanup cmds re-use the same TID as the original I/O */ - xid = io_req->xid; io_req->cmd_type = QEDF_CLEANUP; io_req->return_scsi_cmd_on_abts = return_scsi_cmd_on_abts; - task = qedf_get_task_mem(&qedf->tasks, xid); - init_completion(&io_req->cleanup_done); spin_lock_irqsave(&fcport->rport_lock, flags); @@ -2531,7 +2510,6 @@ void qedf_process_unsol_compl(struct qedf_ctx *qedf, uint16_t que_idx, struct fcoe_cqe *cqe) { unsigned long flags; - uint16_t tmp; uint16_t pktlen = cqe->cqe_info.unsolic_info.pkt_len; u32 payload_len, crc; struct fc_frame_header *fh; @@ -2629,9 +2607,9 @@ increment_prod: qedf->bdq_prod_idx = 0; writew(qedf->bdq_prod_idx, qedf->bdq_primary_prod); - tmp = readw(qedf->bdq_primary_prod); + readw(qedf->bdq_primary_prod); writew(qedf->bdq_prod_idx, qedf->bdq_secondary_prod); - tmp = readw(qedf->bdq_secondary_prod); + readw(qedf->bdq_secondary_prod); spin_unlock_irqrestore(&qedf->hba_lock, flags); } -- cgit v1.2.3 From ce7e0a84e5d7396acff78faacd2e39906cd8a598 Mon Sep 17 00:00:00 2001 From: Lee Jones Date: Mon, 13 Jul 2020 08:46:38 +0100 Subject: scsi: qedf: Demote obvious misuse of kerneldoc to standard comment blocks No attempt has been made to document any of the demoted functions here. Fixes the following W=1 kernel build warning(s): drivers/scsi/qedf/qedf_debugfs.c:25: warning: Function parameter or member 'qedf' not described in 'qedf_dbg_host_init' drivers/scsi/qedf/qedf_debugfs.c:25: warning: Function parameter or member 'dops' not described in 'qedf_dbg_host_init' drivers/scsi/qedf/qedf_debugfs.c:25: warning: Function parameter or member 'fops' not described in 'qedf_dbg_host_init' drivers/scsi/qedf/qedf_debugfs.c:25: warning: Excess function parameter 'pf' description in 'qedf_dbg_host_init' drivers/scsi/qedf/qedf_debugfs.c:51: warning: Function parameter or member 'qedf_dbg' not described in 'qedf_dbg_host_exit' drivers/scsi/qedf/qedf_debugfs.c:51: warning: Excess function parameter 'pf' description in 'qedf_dbg_host_exit' drivers/scsi/qedf/qedf_debugfs.c:64: warning: Function parameter or member 'drv_name' not described in 'qedf_dbg_init' Link: https://lore.kernel.org/r/20200713074645.126138-23-lee.jones@linaro.org Cc: QLogic-Storage-Upstream@cavium.com Signed-off-by: Lee Jones Signed-off-by: Martin K. Petersen --- drivers/scsi/qedf/qedf_debugfs.c | 18 ++++++++---------- 1 file changed, 8 insertions(+), 10 deletions(-) (limited to 'drivers/scsi/qedf') diff --git a/drivers/scsi/qedf/qedf_debugfs.c b/drivers/scsi/qedf/qedf_debugfs.c index b88bed9bb133..a3ed681c8ce3 100644 --- a/drivers/scsi/qedf/qedf_debugfs.c +++ b/drivers/scsi/qedf/qedf_debugfs.c @@ -14,10 +14,9 @@ static struct dentry *qedf_dbg_root; -/** +/* * qedf_dbg_host_init - setup the debugfs file for the pf - * @pf: the pf that is starting up - **/ + */ void qedf_dbg_host_init(struct qedf_dbg_ctx *qedf, const struct qedf_debugfs_ops *dops, @@ -42,10 +41,9 @@ qedf_dbg_host_init(struct qedf_dbg_ctx *qedf, } } -/** +/* * qedf_dbg_host_exit - clear out the pf's debugfs entries - * @pf: the pf that is stopping - **/ + */ void qedf_dbg_host_exit(struct qedf_dbg_ctx *qedf_dbg) { @@ -56,9 +54,9 @@ qedf_dbg_host_exit(struct qedf_dbg_ctx *qedf_dbg) qedf_dbg->bdf_dentry = NULL; } -/** +/* * qedf_dbg_init - start up debugfs for the driver - **/ + */ void qedf_dbg_init(char *drv_name) { @@ -68,9 +66,9 @@ qedf_dbg_init(char *drv_name) qedf_dbg_root = debugfs_create_dir(drv_name, NULL); } -/** +/* * qedf_dbg_exit - clean out the driver's debugfs entries - **/ + */ void qedf_dbg_exit(void) { -- cgit v1.2.3