linux-kernel - [PATCH 4.15 135/146] scsi: qla2xxx: Fix PRLI state check

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Date:   Tue, 13 Mar 2018 16:25:02 +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 4.15 135/146] scsi: qla2xxx: Fix PRLI state check

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

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

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

commit 23c645595dab7b414f23639d0a428a07515807df upstream.

Get Port Database MBX cmd is to validate current Login state upon PRLI
completion. Current code looks at the last login state for re-validation
which was incorrect. This patch removed incorrect state check.

Fixes: 15f30a5752287 ("qla2xxx: Use IOCB interface to submit non-critical MBX.")
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_mbx.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

--- a/drivers/scsi/qla2xxx/qla_mbx.c
+++ b/drivers/scsi/qla2xxx/qla_mbx.c
@@ -6160,8 +6160,7 @@ int __qla24xx_parse_gpdb(struct scsi_qla
 	}

 	/* Check for logged in state. */
-	if (current_login_state != PDS_PRLI_COMPLETE &&
-	    last_login_state != PDS_PRLI_COMPLETE) {
+	if (current_login_state != PDS_PRLI_COMPLETE) {
 		ql_dbg(ql_dbg_mbx, vha, 0x119a,
 		    "Unable to verify login-state (%x/%x) for loop_id %x.\n",
 		    current_login_state, last_login_state, fcport->loop_id);