[patch 30/46] SCSI: qla2xxx: Do not honour max_vports fromfirmware for 2G ISPs and below.

From: Greg KH
Date: Mon Nov 17 2008 - 02:38:38 EST


2.6.27-stable review patch. If anyone has any objections, please let us know.

------------------

From: Shyam Sundar <shyam.sundar@xxxxxxxxxx>

commit 680d7db88ace53c673e1c437c9b6abcc053e8d6f upstream.

For 23XX ISPs, max_vports may return an invalid value.
Do not honour it.

Signed-off-by: Andrew Vasquez <andrew.vasquez@xxxxxxxxxx>
Signed-off-by: James Bottomley <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>

---
drivers/scsi/qla2xxx/qla_init.c | 2 +-
drivers/scsi/qla2xxx/qla_mbx.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)

--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -974,7 +974,6 @@ qla2x00_setup_chip(scsi_qla_host_t *ha)
&ha->fw_minor_version,
&ha->fw_subminor_version,
&ha->fw_attributes, &ha->fw_memory_size);
- qla2x00_resize_request_q(ha);
ha->flags.npiv_supported = 0;
if ((IS_QLA24XX(ha) || IS_QLA25XX(ha) ||
IS_QLA84XX(ha)) &&
@@ -986,6 +985,7 @@ qla2x00_setup_chip(scsi_qla_host_t *ha)
ha->max_npiv_vports =
MIN_MULTI_ID_FABRIC - 1;
}
+ qla2x00_resize_request_q(ha);

if (ql2xallocfwdump)
qla2x00_alloc_fw_dump(ha);
--- a/drivers/scsi/qla2xxx/qla_mbx.c
+++ b/drivers/scsi/qla2xxx/qla_mbx.c
@@ -1964,7 +1964,7 @@ qla2x00_get_resource_cnts(scsi_qla_host_
*cur_iocb_cnt = mcp->mb[7];
if (orig_iocb_cnt)
*orig_iocb_cnt = mcp->mb[10];
- if (max_npiv_vports)
+ if (ha->flags.npiv_supported && max_npiv_vports)
*max_npiv_vports = mcp->mb[11];
}


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