diff mbox series

[18/25] smartpqi: return busy indication for IOCTLs when ofa is active

Message ID 160712295524.21372.17275357939433334592.stgit@brunhilda (mailing list archive)
State Superseded
Headers show
Series smartpqi updates | expand

Commit Message

Don Brace Dec. 4, 2020, 11:02 p.m. UTC 
From: Kevin Barnett <kevin.barnett@microchip.com>

* Prevent Kernel crashes while issuing ioctl during OFA.
* Before this fix, the driver returned busy indication for
    pass-through IOCTLs throughout all stages of OFA.

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

Patch

diff --git a/drivers/scsi/smartpqi/smartpqi_init.c b/drivers/scsi/smartpqi/smartpqi_init.c
index 52f59ae50fda..748735d71464 100644
--- a/drivers/scsi/smartpqi/smartpqi_init.c
+++ b/drivers/scsi/smartpqi/smartpqi_init.c
@@ -6169,6 +6169,8 @@  static int pqi_passthru_ioctl(struct pqi_ctrl_info *ctrl_info, void __user *arg)
 
 	if (pqi_ctrl_offline(ctrl_info))
 		return -ENXIO;
+	if (pqi_ofa_in_progress(ctrl_info) && pqi_ctrl_blocked(ctrl_info))
+		return -EBUSY;
 	if (!arg)
 		return -EINVAL;
 	if (!capable(CAP_SYS_RAWIO))