This is a note to let you know that I've just added the patch titled
scsi: qla2xxx: Fix imbalance vha->vref_count
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-imbalance-vha-vref_count.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 2d6af9bb8469e163a0afa2552f0e5edb03b41a1b
Author: Quinn Tran <qutran@xxxxxxxxxxx>
Date: Tue Jul 12 22:20:41 2022 -0700
scsi: qla2xxx: Fix imbalance vha->vref_count
[ Upstream commit 63fa7f2644b4b48e1913af33092c044bf48e9321 ]
vref_count took an extra decrement in the task management path. Add an
extra ref count to compensate the imbalance.
Link: https://lore.kernel.org/r/20220713052045.10683-7-njavali@xxxxxxxxxxx
Cc: stable@xxxxxxxxxxxxxxx
Reviewed-by: Himanshu Madhani <himanshu.madhani@xxxxxxxxxx>
Signed-off-by: Quinn Tran <qutran@xxxxxxxxxxx>
Signed-off-by: Nilesh Javali <njavali@xxxxxxxxxxx>
Signed-off-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index ab08ab206abc..b61a56e1b9a7 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -168,6 +168,7 @@ 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,
@@ -175,6 +176,7 @@ int qla24xx_async_abort_cmd(srb_t *cmd_sp, bool wait)
if (!sp)
return QLA_MEMORY_ALLOC_FAILED;
+ QLA_VHA_MARK_BUSY(vha, bail);
abt_iocb = &sp->u.iocb_cmd;
sp->type = SRB_ABT_CMD;
sp->name = "abort";
@@ -2020,12 +2022,14 @@ 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);
sp->type = SRB_TM_CMD;
sp->name = "tmf";
qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha),
