linux-kernel - [PATCH 4.15 125/146] scsi: qla2xxx: Fix gpnid error processing

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Message-Id: <20180313152329.854024033@linuxfoundation.org>
Date:   Tue, 13 Mar 2018 16:24:52 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Quinn Tran <quinn.tran@...ium.com>,
        Himanshu Madhani <himanshu.madhani@...ium.com>,
        Hannes Reinecke <hare@...e.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>
Subject: [PATCH 4.15 125/146] scsi: qla2xxx: Fix gpnid error processing

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

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

From: Quinn Tran <quinn.tran@...ium.com>

commit 22e786ea47f8795c561e1a01b6a66bb2cae2fc20 upstream.

Stop GPNID command from advancing if command has failed.

Fixes: 726b85487067d ("qla2xxx: Add framework for async fabric discovery")
Cc: <stable@...r.kernel.org> # 4.10+
Signed-off-by: Quinn Tran <quinn.tran@...ium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@...ium.com>
Reviewed-by: Hannes Reinecke <hare@...e.com>
Signed-off-by: Martin K. Petersen <martin.petersen@...cle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/scsi/qla2xxx/qla_gs.c |    5 +++++
 1 file changed, 5 insertions(+)

--- a/drivers/scsi/qla2xxx/qla_gs.c
+++ b/drivers/scsi/qla2xxx/qla_gs.c
@@ -3211,6 +3211,11 @@ static void qla2x00_async_gpnid_sp_done(
 	    sp->name, res, ct_req->req.port_id.port_id,
 	    ct_rsp->rsp.gpn_id.port_name);

+	if (res) {
+		sp->free(sp);
+		return;
+	}
+
 	memset(&ea, 0, sizeof(ea));
 	memcpy(ea.port_name, ct_rsp->rsp.gpn_id.port_name, WWN_SIZE);
 	ea.sp = sp;