From afbd8d8884325bcc4fc4c12fcb2eccbf9356feca Mon Sep 17 00:00:00 2001
From: James Smart <james.smart@emulex.com>
Date: Fri, 6 Sep 2013 12:22:13 -0400
Subject: [SCSI] lpfc 8.3.42: Fix driver's abort loop functionality to skip IOs
 already getting aborted

Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>

diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
index 9480c55..c0117dd 100644
--- a/drivers/scsi/lpfc/lpfc_scsi.c
+++ b/drivers/scsi/lpfc/lpfc_scsi.c
@@ -4886,6 +4886,9 @@ lpfc_abort_handler(struct scsi_cmnd *cmnd)
 		goto out_unlock;
 	}
 
+	/* Indicate the IO is being aborted by the driver. */
+	iocb->iocb_flag |= LPFC_DRIVER_ABORTED;
+
 	/*
 	 * The scsi command can not be in txq and it is in flight because the
 	 * pCmd is still pointig at the SCSI command we have to abort. There
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index 56d4055..612f489 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -9831,6 +9831,13 @@ lpfc_sli_abort_iocb(struct lpfc_vport *vport, struct lpfc_sli_ring *pring,
 					       abort_cmd) != 0)
 			continue;
 
+		/*
+		 * If the iocbq is already being aborted, don't take a second
+		 * action, but do count it.
+		 */
+		if (iocbq->iocb_flag & LPFC_DRIVER_ABORTED)
+			continue;
+
 		/* issue ABTS for this IOCB based on iotag */
 		abtsiocb = lpfc_sli_get_iocbq(phba);
 		if (abtsiocb == NULL) {
@@ -9838,6 +9845,9 @@ lpfc_sli_abort_iocb(struct lpfc_vport *vport, struct lpfc_sli_ring *pring,
 			continue;
 		}
 
+		/* indicate the IO is being aborted by the driver. */
+		iocbq->iocb_flag |= LPFC_DRIVER_ABORTED;
+
 		cmd = &iocbq->iocb;
 		abtsiocb->iocb.un.acxri.abortType = ABORT_TYPE_ABTS;
 		abtsiocb->iocb.un.acxri.abortContextTag = cmd->ulpContext;
@@ -9847,7 +9857,7 @@ lpfc_sli_abort_iocb(struct lpfc_vport *vport, struct lpfc_sli_ring *pring,
 			abtsiocb->iocb.un.acxri.abortIoTag = cmd->ulpIoTag;
 		abtsiocb->iocb.ulpLe = 1;
 		abtsiocb->iocb.ulpClass = cmd->ulpClass;
-		abtsiocb->vport = phba->pport;
+		abtsiocb->vport = vport;
 
 		/* ABTS WQE must go to the same WQ as the WQE to be aborted */
 		abtsiocb->fcp_wqidx = iocbq->fcp_wqidx;
-- 
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