Return-Path: From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Michael Hernandez , Himanshu Madhani , "Martin K. Petersen" Subject: [PATCH 4.10 065/167] scsi: qla2xxx: Fix response queue count for Target mode. Date: Fri, 10 Mar 2017 10:08:28 +0100 Message-Id: <20170310084000.780837508@linuxfoundation.org> In-Reply-To: <20170310083956.767605269@linuxfoundation.org> References: <20170310083956.767605269@linuxfoundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: 4.10-stable review patch. If anyone has any objections, please let me know. ------------------ From: Michael Hernandez 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 Signed-off-by: Himanshu Madhani Signed-off-by: Martin K. Petersen Signed-off-by: Greg Kroah-Hartman --- 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;