We shouldn't allow negative thresholds. I don't know what it would do
but it can't be good.
Fixes:
8b4673ba3a1b ("scsi: qla2xxx: Add support for ZIO6 interrupt threshold")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
return -EINVAL;
if (sscanf(buf, "%d", &val) != 1)
return -EINVAL;
- if (val > 256)
+ if (val < 0 || val > 256)
return -ERANGE;
atomic_set(&vha->hw->zio_threshold, val);