4.10-stable review patch. If anyone has any objections, please let me know.
------------------
From: Michael Hernandez <michael.hernan...@cavium.com>
commit d0d2c68b759bbf678e078fd0c71b5fde65a9392c upstream.
Target mode initialization was not calculating response queue values
correctly resulting into one less MSI-X vector.
[mkp: fixed Fixes: hash]
Fixes: 093df73771ba ("scsi: qla2xxx: Fix Target mode handling with Multiqueue
changes.")
Signed-off-by: Michael Hernandez <michael.hernan...@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madh...@cavium.com>
Signed-off-by: Martin K. Petersen <martin.peter...@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
drivers/scsi/qla2xxx/qla_os.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -1915,12 +1915,13 @@ qla83xx_iospace_config(struct qla_hw_dat
if (ql2xmqsupport) {
/* MB interrupt uses 1 vector */
ha->max_req_queues = ha->msix_count - 1;
- ha->max_rsp_queues = ha->max_req_queues;
/* ATIOQ needs 1 vector. That's 1 less QPair */
if (QLA_TGT_MODE_ENABLED())
ha->max_req_queues--;
+ ha->max_rsp_queues = ha->max_req_queues;
+
/* Queue pairs is the max value minus
* the base queue pair */
ha->max_qpairs = ha->max_req_queues - 1;
