[smartpqi updates PATCH 8/9] smartpqi: fix isr accessing null structure member

Don Brace
2021-07-06T18:16:24Z

From: Mike McGowen <mike.mcgowen@microchip.com>

Correct driver's ISR accessing a data structure member
that has not been fully initialized during driver init.
- The pqi queue groups can be null when an interrupt fires.

Reviewed-by: Kevin Barnett <kevin.barnett@microchip.com>
Reviewed-by: Scott Benesh <scott.benesh@microchip.com>
Reviewed-by: Scott Teel <scott.teel@microchip.com>
Signed-off-by: Mike McGowen <mike.mcgowen@microchip.com>
Signed-off-by: Don Brace <don.brace@microchip.com>
---
drivers/scsi/smartpqi/smartpqi_init.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/smartpqi/smartpqi_init.c b/drivers/scsi/smartpqi/smartpqi_init.c
index 6f2263abaa8c..eeaf0568b5e3 100644
--- a/drivers/scsi/smartpqi/smartpqi_init.c
+++ b/drivers/scsi/smartpqi/smartpqi_init.c
@@ -7757,11 +7757,11 @@ static int pqi_ctrl_init(struct pqi_ctrl_info *ctrl_info)

pqi_init_operational_queues(ctrl_info);

- rc = pqi_request_irqs(ctrl_info);
+ rc = pqi_create_queues(ctrl_info);
if (rc)
return rc;

- rc = pqi_create_queues(ctrl_info);
+ rc = pqi_request_irqs(ctrl_info);
if (rc)
return rc;

--
2.28.0.rc1.9.ge7ae437ac1