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Message-Id: <20180528100116.414200144@linuxfoundation.org>
Date:   Mon, 28 May 2018 12:03:42 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Dick Kennedy <dick.kennedy@...adcom.com>,
        James Smart <james.smart@...adcom.com>,
        Hannes Reinecke <hare@...e.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        Sasha Levin <alexander.levin@...rosoft.com>
Subject: [PATCH 3.18 181/185] scsi: lpfc: Fix issue_lip if link is disabled

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

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

From: James Smart <jsmart2021@...il.com>

[ Upstream commit 2289e9598dde9705400559ca2606fb8c145c34f0 ]

The driver ignored checks on whether the link should be kept
administratively down after a link bounce. Correct the checks.

Signed-off-by: Dick Kennedy <dick.kennedy@...adcom.com>
Signed-off-by: James Smart <james.smart@...adcom.com>
Reviewed-by: Hannes Reinecke <hare@...e.com>
Signed-off-by: Martin K. Petersen <martin.petersen@...cle.com>
Signed-off-by: Sasha Levin <alexander.levin@...rosoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/scsi/lpfc/lpfc_attr.c |    5 +++++
 1 file changed, 5 insertions(+)

--- a/drivers/scsi/lpfc/lpfc_attr.c
+++ b/drivers/scsi/lpfc/lpfc_attr.c
@@ -629,7 +629,12 @@ lpfc_issue_lip(struct Scsi_Host *shost)
 	LPFC_MBOXQ_t *pmboxq;
 	int mbxstatus = MBXERR_ERROR;
 
+	/*
+	 * If the link is offline, disabled or BLOCK_MGMT_IO
+	 * it doesn't make any sense to allow issue_lip
+	 */
 	if ((vport->fc_flag & FC_OFFLINE_MODE) ||
+	    (phba->hba_flag & LINK_DISABLED) ||
 	    (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO))
 		return -EPERM;
 


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