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From: Bart Van Assche <bvanassche@acm.org>
Date: Mon, 31 Oct 2022 15:48:18 -0700
Subject: scsi: qla2xxx: Fix set-but-not-used variable warnings
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Patch-mainline: v6.2-rc1
Git-commit: 4fb2169d66b837a2986f569f5d5b81f79e6e4a4c
References: jsc#PED-568

Fix the following two compiler warnings:

drivers/scsi/qla2xxx/qla_init.c: In function ‘qla24xx_async_abort_cmd’:
drivers/scsi/qla2xxx/qla_init.c:171:17: warning: variable ‘bail’ set but not used [-Wunused-but-set-variable]
  171 |         uint8_t bail;
      |                 ^~~~
drivers/scsi/qla2xxx/qla_init.c: In function ‘qla2x00_async_tm_cmd’:
drivers/scsi/qla2xxx/qla_init.c:2023:17: warning: variable ‘bail’ set but not used [-Wunused-but-set-variable]
 2023 |         uint8_t bail;
      |                 ^~~~

Cc: Arun Easi <arun.easi@qlogic.com>
Cc: Giridhar Malavali <giridhar.malavali@qlogic.com>
Fixes: feafb7b1714c ("[SCSI] qla2xxx: Fix vport delete issues")
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20221031224818.2607882-1-bvanassche@acm.org
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Acked-by: Daniel Wagner <dwagner@suse.de>
---
 drivers/scsi/qla2xxx/qla_def.h    |   22 +++++++++++-----------
 drivers/scsi/qla2xxx/qla_init.c   |    6 ++----
 drivers/scsi/qla2xxx/qla_inline.h |    4 +---
 drivers/scsi/qla2xxx/qla_os.c     |    4 +---
 4 files changed, 15 insertions(+), 21 deletions(-)

--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -5137,17 +5137,17 @@ struct secure_flash_update_block_pk {
 		(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) || \
 			 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
 
-#define QLA_VHA_MARK_BUSY(__vha, __bail) do {		\
-	atomic_inc(&__vha->vref_count);			\
-	mb();						\
-	if (__vha->flags.delete_progress) {		\
-		atomic_dec(&__vha->vref_count);		\
-		wake_up(&__vha->vref_waitq);		\
-		__bail = 1;				\
-	} else {					\
-		__bail = 0;				\
-	}						\
-} while (0)
+static inline bool qla_vha_mark_busy(scsi_qla_host_t *vha)
+{
+	atomic_inc(&vha->vref_count);
+	mb();
+	if (vha->flags.delete_progress) {
+		atomic_dec(&vha->vref_count);
+		wake_up(&vha->vref_waitq);
+		return true;
+	}
+	return false;
+}
 
 #define QLA_VHA_MARK_NOT_BUSY(__vha) do {		\
 	atomic_dec(&__vha->vref_count);			\
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -169,7 +169,6 @@ int qla24xx_async_abort_cmd(srb_t *cmd_s
 	struct srb_iocb *abt_iocb;
 	srb_t *sp;
 	int rval = QLA_FUNCTION_FAILED;
-	uint8_t bail;
 
 	/* ref: INIT for ABTS command */
 	sp = qla2xxx_get_qpair_sp(cmd_sp->vha, cmd_sp->qpair, cmd_sp->fcport,
@@ -177,7 +176,7 @@ int qla24xx_async_abort_cmd(srb_t *cmd_s
 	if (!sp)
 		return QLA_MEMORY_ALLOC_FAILED;
 
-	QLA_VHA_MARK_BUSY(vha, bail);
+	qla_vha_mark_busy(vha);
 	abt_iocb = &sp->u.iocb_cmd;
 	sp->type = SRB_ABT_CMD;
 	sp->name = "abort";
@@ -2023,14 +2022,13 @@ qla2x00_async_tm_cmd(fc_port_t *fcport,
 	struct srb_iocb *tm_iocb;
 	srb_t *sp;
 	int rval = QLA_FUNCTION_FAILED;
-	uint8_t bail;
 
 	/* ref: INIT */
 	sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 	if (!sp)
 		goto done;
 
-	QLA_VHA_MARK_BUSY(vha, bail);
+	qla_vha_mark_busy(vha);
 	sp->type = SRB_TM_CMD;
 	sp->name = "tmf";
 	qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha),
--- a/drivers/scsi/qla2xxx/qla_inline.h
+++ b/drivers/scsi/qla2xxx/qla_inline.h
@@ -226,11 +226,9 @@ static inline srb_t *
 qla2x00_get_sp(scsi_qla_host_t *vha, fc_port_t *fcport, gfp_t flag)
 {
 	srb_t *sp = NULL;
-	uint8_t bail;
 	struct qla_qpair *qpair;
 
-	QLA_VHA_MARK_BUSY(vha, bail);
-	if (unlikely(bail))
+	if (unlikely(qla_vha_mark_busy(vha)))
 		return NULL;
 
 	qpair = vha->hw->base_qpair;
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -5075,13 +5075,11 @@ struct qla_work_evt *
 qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type)
 {
 	struct qla_work_evt *e;
-	uint8_t bail;
 
 	if (test_bit(UNLOADING, &vha->dpc_flags))
 		return NULL;
 
-	QLA_VHA_MARK_BUSY(vha, bail);
-	if (bail)
+	if (qla_vha_mark_busy(vha))
 		return NULL;
 
 	e = kzalloc(sizeof(struct qla_work_evt), GFP_ATOMIC);