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scsi: qla2xxx: Fix set-but-not-used variable warnings
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[ Upstream commit 4fb2169 ]

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: feafb7b ("[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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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bvanassche authored and gregkh committed Dec 31, 2022
1 parent 799ed37 commit 2a26849
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Showing 4 changed files with 15 additions and 21 deletions.
22 changes: 11 additions & 11 deletions drivers/scsi/qla2xxx/qla_def.h
Expand Up @@ -5117,17 +5117,17 @@ 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); \
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6 changes: 2 additions & 4 deletions drivers/scsi/qla2xxx/qla_init.c
Expand Up @@ -168,15 +168,14 @@ int qla24xx_async_abort_cmd(srb_t *cmd_sp, bool wait)
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,
GFP_ATOMIC);
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";
Expand Down Expand Up @@ -2022,14 +2021,13 @@ qla2x00_async_tm_cmd(fc_port_t *fcport, uint32_t flags, uint32_t lun,
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),
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4 changes: 1 addition & 3 deletions drivers/scsi/qla2xxx/qla_inline.h
Expand Up @@ -225,11 +225,9 @@ 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;
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4 changes: 1 addition & 3 deletions drivers/scsi/qla2xxx/qla_os.c
Expand Up @@ -5043,13 +5043,11 @@ 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);
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