This is a note to let you know that I've just added the patch titled scsi: qla2xxx: Fix set-but-not-used variable warnings to the 5.15-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: scsi-qla2xxx-fix-set-but-not-used-variable-warnings.patch and it can be found in the queue-5.15 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 77cb5fab9693ef29cb2bbc70d9c317932a257e6e Author: Bart Van Assche <bvanassche@xxxxxxx> Date: Mon Oct 31 15:48:18 2022 -0700 scsi: qla2xxx: Fix set-but-not-used variable warnings [ Upstream commit 4fb2169d66b837a2986f569f5d5b81f79e6e4a4c ] 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@xxxxxxxxxx> Cc: Giridhar Malavali <giridhar.malavali@xxxxxxxxxx> Fixes: feafb7b1714c ("[SCSI] qla2xxx: Fix vport delete issues") Signed-off-by: Bart Van Assche <bvanassche@xxxxxxx> Link: https://lore.kernel.org/r/20221031224818.2607882-1-bvanassche@xxxxxxx Signed-off-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h index 51c7ce5f9792..307ffdfe048b 100644 --- a/drivers/scsi/qla2xxx/qla_def.h +++ b/drivers/scsi/qla2xxx/qla_def.h @@ -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); \ diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index b81797a3ab61..46b3b31a41bd 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -168,7 +168,6 @@ 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, @@ -176,7 +175,7 @@ int qla24xx_async_abort_cmd(srb_t *cmd_sp, bool wait) 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"; @@ -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), diff --git a/drivers/scsi/qla2xxx/qla_inline.h b/drivers/scsi/qla2xxx/qla_inline.h index db17f7f410cd..5185dc5daf80 100644 --- a/drivers/scsi/qla2xxx/qla_inline.h +++ b/drivers/scsi/qla2xxx/qla_inline.h @@ -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; diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index 00e97f0a07eb..05d827227d0b 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -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);