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| author | Dan Carpenter <dan.carpenter@oracle.com> | 2018-09-20 13:02:36 +0300 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2018-09-28 02:50:32 +0300 |
| commit | 1703659dada8a5bfe9c31db6436792cbca1e26ea (patch) | |
| tree | 6f24aaf98ef4fcfb0810865edbbd19f1afcc7093 | |
| parent | 84e13c453d8666195fbffb4b596e81daf78e2f11 (diff) | |
| download | linux-1703659dada8a5bfe9c31db6436792cbca1e26ea.tar.xz | |
scsi: qla2xxx: don't allow negative thresholds
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>
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_attr.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c index a31d23905753..b28f159fdaee 100644 --- a/drivers/scsi/qla2xxx/qla_attr.c +++ b/drivers/scsi/qla2xxx/qla_attr.c @@ -1228,7 +1228,7 @@ qla_zio_threshold_store(struct device *dev, struct device_attribute *attr, 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); |