From: Himanshu Madhani <himanshu.madhani@xxxxxxxxxx>
commit a9e170e28636 ("scsi: qla2xxx: Fix uninitialized work element")
moved initialziation of work element earlier in the probe to fix call
stack. However, it still leaves a window where interrupt can be generated
before work element is initialized. Fix that window by Initializing work
element before we are requesting IRQs.
Fixes: a9e170e28636 ("scsi: qla2xxx: Fix uninitialized work element")
Cc: <stable@xxxxxxxxxxxxxxx> # 4.13
Signed-off-by: Himanshu Madhani <himanshu.madhani@xxxxxxxxxx>
Signed-off-by: Quinn Tran <quinn.tran@xxxxxxxxxx>
---
Hi Martin,
Please apply this patch to 4.14.0-rc6. This patch fixes a small window where
user will see call stack with qla2xxx driver.
Thanks,
Himanshu
drivers/scsi/qla2xxx/qla_os.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 937209805baf..3bd956d3bc5d 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -3061,6 +3061,8 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
host->max_cmd_len, host->max_channel, host->max_lun,
host->transportt, sht->vendor_id);
+ INIT_WORK(&base_vha->iocb_work, qla2x00_iocb_work_fn);
+
/* Set up the irqs */
ret = qla2x00_request_irqs(ha, rsp);
if (ret)
@@ -3175,8 +3177,6 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
host->can_queue, base_vha->req,
base_vha->mgmt_svr_loop_id, host->sg_tablesize);
- INIT_WORK(&base_vha->iocb_work, qla2x00_iocb_work_fn);
-
if (ha->mqenable) {
bool mq = false;
bool startit = false;
--
2.12.0
