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[PATCH 4.11 114/150] scsi: qla2xxx: Fix recursive loop during target mode configuration for ISP25XX leaving system unresponsive

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4.11-stable review patch.  If anyone has any objections, please let me know.

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

From: himanshu.madhani@cavium.com <himanshu.madhani@cavium.com>

commit cb590700e04d4f59179c44f360217f5ad04ae262 upstream.

Following messages are seen into system logs

qla2xxx [0000:09:00.0]-00af:9: Performing ISP error recovery - ha=ffff98315ee30000.
qla2xxx [0000:09:00.0]-504b:9: RISC paused -- HCCR=40, Dumping firmware.
qla2xxx [0000:09:00.0]-d009:9: Firmware has been previously dumped (ffffba488c001000) -- ignoring request.
qla2xxx [0000:09:00.0]-504b:9: RISC paused -- HCCR=40, Dumping firmware.

See Bugzilla for details
https://bugzilla.kernel.org/show_bug.cgi?id=195285

Fixes: d74595278f4ab ("scsi: qla2xxx: Add multiple queue pair functionality.")
Reported-by: Laurence Oberman <loberman@redhat.com>
Reported-by: Anthony Bloodoff <anthony.bloodoff@gmail.com>
Tested-by: Laurence Oberman <loberman@redhat.com>
Tested-by: Anthony Bloodoff <anthony.bloodoff@gmail.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Giridhar Malavali <giridhar.malavali@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/scsi/qla2xxx/qla_isr.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -3282,7 +3282,7 @@ msix_register_fail:
 	}
 
 	/* Enable MSI-X vector for response queue update for queue 0 */
-	if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
+	if (IS_QLA25XX(ha) || IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
 		if (ha->msixbase && ha->mqiobase &&
 		    (ha->max_rsp_queues > 1 || ha->max_req_queues > 1 ||
 		     ql2xmqsupport))

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[PATCH 4.11 114/150] scsi: qla2xxx: Fix recursive loop during target mode configuration for ISP25XX leaving system unresponsive Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-06-12 19:10 +0200

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