mirrors
/
linux-stable
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
1
0
Fork 0
Code Issues Releases Wiki Activity

scsi: qedf: Remove a whole host of unused variables 

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 <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Lee Jones 2020-07-13 08:46:32 +01:00 committed by Martin K. Petersen
parent 18bc435e0a
commit 50efc51cb9
1 changed files with 4 additions and 26 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

30
drivers/scsi/qedf/qedf_io.c
View File

@ -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);
}