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-rw-r--r--drivers/scsi/qla2xxx/qla_os.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index d96bfb55e57b..5269aee1df3b 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -2661,7 +2661,12 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
else
host->max_cmd_len = MAX_CMDSZ;
host->max_channel = MAX_BUSES - 1;
- host->max_lun = ql2xmaxlun;
+ /* Older HBAs support only 16-bit LUNs */
+ if (!IS_QLAFX00(ha) && !IS_FWI2_CAPABLE(ha) &&
+ ql2xmaxlun > 0xffff)
+ host->max_lun = 0xffff;
+ else
+ host->max_lun = ql2xmaxlun;
host->transportt = qla2xxx_transport_template;
sht->vendor_id = (SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC);