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scsi: qla2xxx: Fix response queue count for Target mode.

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Target mode initialization was not calculating response queue values
correctly resulting into one less MSI-X vector.

[mkp: fixed Fixes: hash]

Cc: <stable@vger.kernel.org>
Fixes: 093df73771ba ("scsi: qla2xxx: Fix Target mode handling with Multiqueue changes.")
Signed-off-by: Michael Hernandez <michael.hernandez@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Michael Hernandez 2017-02-15 15:37:20 -08:00 committed by Martin K. Petersen
parent f54f2cb540
commit d0d2c68b75
1 changed files with 2 additions and 1 deletions
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3
drivers/scsi/qla2xxx/qla_os.c
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@ -1916,12 +1916,13 @@ qla83xx_iospace_config(struct qla_hw_data *ha)
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;