From: Lee Jones <lee.jones@linaro.org>
Date: Mon, 13 Jul 2020 08:46:25 +0100
Subject: scsi: qedf: Remove set but not checked variable 'tmp'
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Git-commit: c6e2f4bd794a3b745a02043428c7f9c43b628192
Patch-mainline: v5.9-rc1
References: bsc#1177240 jre#sle-15141
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 <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Acked-by: Lee Duncan <lduncan@suse.com>
---
drivers/scsi/qedf/qedf_main.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
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);