[PATCH] scsi: ipr: remove several unused variables

Tom Rix
2023-04-20T12:51:37Z

gcc with W=1 reports
drivers/scsi/ipr.c: In function ‘ipr_init_res_entry’:
drivers/scsi/ipr.c:1104:22: error: variable ‘proto’
set but not used [-Werror=unused-but-set-variable]
1104 | unsigned int proto;
| ^~~~~
drivers/scsi/ipr.c: In function ‘ipr_update_res_entry’:
drivers/scsi/ipr.c:1261:22: error: variable ‘proto’
set but not used [-Werror=unused-but-set-variable]
1261 | unsigned int proto;
| ^~~~~
drivers/scsi/ipr.c: In function ‘ipr_change_queue_depth’:
drivers/scsi/ipr.c:4417:36: error: variable ‘res’
set but not used [-Werror=unused-but-set-variable]
4417 | struct ipr_resource_entry *res;
| ^~~

These variables are not used, so remove them.
The lock around res is not needed so remove that.
Which makes ioa_cfg and lock_flags unneeded so remove them.

Fixes: 65a15d6560df ("scsi: ipr: Remove SATA support")
Signed-off-by: Tom Rix <trix@redhat.com>
---
drivers/scsi/ipr.c | 14 --------------
1 file changed, 14 deletions(-)

diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index d81189ba8773..4e13797b2a4a 100644
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -1101,7 +1101,6 @@ static void ipr_init_res_entry(struct ipr_resource_entry *res,
struct ipr_config_table_entry_wrapper *cfgtew)
{
int found = 0;
- unsigned int proto;
struct ipr_ioa_cfg *ioa_cfg = res->ioa_cfg;
struct ipr_resource_entry *gscsi_res = NULL;

@@ -1114,7 +1113,6 @@ static void ipr_init_res_entry(struct ipr_resource_entry *res,
res->sdev = NULL;

if (ioa_cfg->sis64) {
- proto = cfgtew->u.cfgte64->proto;
res->flags = be16_to_cpu(cfgtew->u.cfgte64->flags);
res->res_flags = be16_to_cpu(cfgtew->u.cfgte64->res_flags);
res->qmodel = IPR_QUEUEING_MODEL64(res);
@@ -1160,7 +1158,6 @@ static void ipr_init_res_entry(struct ipr_resource_entry *res,
set_bit(res->target, ioa_cfg->target_ids);
}
} else {
- proto = cfgtew->u.cfgte->proto;
res->qmodel = IPR_QUEUEING_MODEL(res);
res->flags = cfgtew->u.cfgte->flags;
if (res->flags & IPR_IS_IOA_RESOURCE)
@@ -1258,7 +1255,6 @@ static void ipr_update_res_entry(struct ipr_resource_entry *res,
struct ipr_config_table_entry_wrapper *cfgtew)
{
char buffer[IPR_MAX_RES_PATH_LENGTH];
- unsigned int proto;
int new_path = 0;

if (res->ioa_cfg->sis64) {
@@ -1270,7 +1266,6 @@ static void ipr_update_res_entry(struct ipr_resource_entry *res,
sizeof(struct ipr_std_inq_data));

res->qmodel = IPR_QUEUEING_MODEL64(res);
- proto = cfgtew->u.cfgte64->proto;
res->res_handle = cfgtew->u.cfgte64->res_handle;
res->dev_id = cfgtew->u.cfgte64->dev_id;

@@ -1299,7 +1294,6 @@ static void ipr_update_res_entry(struct ipr_resource_entry *res,
sizeof(struct ipr_std_inq_data));

res->qmodel = IPR_QUEUEING_MODEL(res);
- proto = cfgtew->u.cfgte->proto;
res->res_handle = cfgtew->u.cfgte->res_handle;
}
}
@@ -4413,14 +4407,6 @@ static int ipr_free_dump(struct ipr_ioa_cfg *ioa_cfg) { return 0; };
**/
static int ipr_change_queue_depth(struct scsi_device *sdev, int qdepth)
{
- struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)sdev->host->hostdata;
- struct ipr_resource_entry *res;
- unsigned long lock_flags = 0;
-
- spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags);
- res = (struct ipr_resource_entry *)sdev->hostdata;
- spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags);
-
scsi_change_queue_depth(sdev, qdepth);
return sdev->queue_depth;
}
--
2.27.0