From: Kevin Barnett <kevin.barnett@xxxxxxxxxxxxx>
* 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@xxxxxxxxxxxxx>
Reviewed-by: Scott Teel <scott.teel@xxxxxxxxxxxxx>
Signed-off-by: Kevin Barnett <kevin.barnett@xxxxxxxxxxxxx>
Signed-off-by: Don Brace <don.brace@xxxxxxxxxxxxx>
---
drivers/scsi/smartpqi/smartpqi_init.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/scsi/smartpqi/smartpqi_init.c b/drivers/scsi/smartpqi/smartpqi_init.c
index e7d86356bc5a..0cb137a46d6b 100644
--- a/drivers/scsi/smartpqi/smartpqi_init.c
+++ b/drivers/scsi/smartpqi/smartpqi_init.c
@@ -6232,6 +6232,8 @@ 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))
