From: Bart Van Assche <bvanassche@acm.org>
Date: Thu, 8 Aug 2019 20:02:16 -0700
Subject: scsi: qla2xxx: Introduce qla2x00_els_dcmd2_free()
Patch-mainline: v5.4-rc1
Git-commit: c6e58160a2c0caf6a8079134f0807bef0ecec6b8
References: bsc#1143706 bsc#1123034 bsc#1131304 bsc#1127988

This patch reduces code duplication.

Cc: Himanshu Madhani <hmadhani@marvell.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Tested-by: Himanshu Madhani <hmadhani@marvell.com>
Reviewed-by: Himanshu Madhani <hmadhani@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Acked-by: Daniel Wagner <dwagner@suse.de>
---
 drivers/scsi/qla2xxx/qla_def.h  |    2 +-
 drivers/scsi/qla2xxx/qla_gbl.h  |    2 ++
 drivers/scsi/qla2xxx/qla_gs.c   |   12 +-----------
 drivers/scsi/qla2xxx/qla_iocb.c |   40 +++++++++++++++++-----------------------
 4 files changed, 21 insertions(+), 35 deletions(-)

--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -455,7 +455,7 @@ struct srb_iocb {
 			struct els_logo_payload *els_logo_pyld;
 			dma_addr_t els_logo_pyld_dma;
 		} els_logo;
-		struct {
+		struct els_plogi {
 #define ELS_DCMD_PLOGI 0x3
 			uint32_t flags;
 			uint32_t els_cmd;
--- a/drivers/scsi/qla2xxx/qla_gbl.h
+++ b/drivers/scsi/qla2xxx/qla_gbl.h
@@ -45,6 +45,8 @@ extern int qla2x00_local_device_login(sc
 
 extern int qla24xx_els_dcmd_iocb(scsi_qla_host_t *, int, port_id_t);
 extern int qla24xx_els_dcmd2_iocb(scsi_qla_host_t *, int, fc_port_t *, bool);
+extern void qla2x00_els_dcmd2_free(scsi_qla_host_t *vha,
+				   struct els_plogi *els_plogi);
 
 extern void qla2x00_update_fcports(scsi_qla_host_t *);
 
--- a/drivers/scsi/qla2xxx/qla_gs.c
+++ b/drivers/scsi/qla2xxx/qla_gs.c
@@ -3119,17 +3119,7 @@ void qla24xx_sp_unmap(scsi_qla_host_t *v
 
 	switch (sp->type) {
 	case SRB_ELS_DCMD:
-		if (c->u.els_plogi.els_plogi_pyld)
-			dma_free_coherent(&vha->hw->pdev->dev,
-			    c->u.els_plogi.tx_size,
-			    c->u.els_plogi.els_plogi_pyld,
-			    c->u.els_plogi.els_plogi_pyld_dma);
-
-		if (c->u.els_plogi.els_resp_pyld)
-			dma_free_coherent(&vha->hw->pdev->dev,
-			    c->u.els_plogi.rx_size,
-			    c->u.els_plogi.els_resp_pyld,
-			    c->u.els_plogi.els_resp_pyld_dma);
+		qla2x00_els_dcmd2_free(vha, &c->u.els_plogi);
 		break;
 	case SRB_CT_PTHRU_CMD:
 	default:
--- a/drivers/scsi/qla2xxx/qla_iocb.c
+++ b/drivers/scsi/qla2xxx/qla_iocb.c
@@ -2724,6 +2724,21 @@ qla2x00_els_dcmd2_iocb_timeout(void *dat
 	sp->done(sp, QLA_FUNCTION_TIMEOUT);
 }
 
+void qla2x00_els_dcmd2_free(scsi_qla_host_t *vha, struct els_plogi *els_plogi)
+{
+	if (els_plogi->els_plogi_pyld)
+		dma_free_coherent(&vha->hw->pdev->dev,
+				  els_plogi->tx_size,
+				  els_plogi->els_plogi_pyld,
+				  els_plogi->els_plogi_pyld_dma);
+
+	if (els_plogi->els_resp_pyld)
+		dma_free_coherent(&vha->hw->pdev->dev,
+				  els_plogi->rx_size,
+				  els_plogi->els_resp_pyld,
+				  els_plogi->els_resp_pyld_dma);
+}
+
 static void qla2x00_els_dcmd2_sp_done(srb_t *sp, int res)
 {
 	fc_port_t *fcport = sp->fcport;
@@ -2755,17 +2770,7 @@ static void qla2x00_els_dcmd2_sp_done(sr
 		if (!e) {
 			struct srb_iocb *elsio = &sp->u.iocb_cmd;
 
-			if (elsio->u.els_plogi.els_plogi_pyld)
-				dma_free_coherent(&sp->vha->hw->pdev->dev,
-				    elsio->u.els_plogi.tx_size,
-				    elsio->u.els_plogi.els_plogi_pyld,
-				    elsio->u.els_plogi.els_plogi_pyld_dma);
-
-			if (elsio->u.els_plogi.els_resp_pyld)
-				dma_free_coherent(&sp->vha->hw->pdev->dev,
-				    elsio->u.els_plogi.rx_size,
-				    elsio->u.els_plogi.els_resp_pyld,
-				    elsio->u.els_plogi.els_resp_pyld_dma);
+			qla2x00_els_dcmd2_free(vha, &elsio->u.els_plogi);
 			sp->free(sp);
 			return;
 		}
@@ -2867,18 +2872,7 @@ qla24xx_els_dcmd2_iocb(scsi_qla_host_t *
 
 out:
 	fcport->flags &= ~(FCF_ASYNC_SENT);
-	if (elsio->u.els_plogi.els_plogi_pyld)
-		dma_free_coherent(&sp->vha->hw->pdev->dev,
-		    elsio->u.els_plogi.tx_size,
-		    elsio->u.els_plogi.els_plogi_pyld,
-		    elsio->u.els_plogi.els_plogi_pyld_dma);
-
-	if (elsio->u.els_plogi.els_resp_pyld)
-		dma_free_coherent(&sp->vha->hw->pdev->dev,
-		    elsio->u.els_plogi.rx_size,
-		    elsio->u.els_plogi.els_resp_pyld,
-		    elsio->u.els_plogi.els_resp_pyld_dma);
-
+	qla2x00_els_dcmd2_free(vha, &elsio->u.els_plogi);
 	sp->free(sp);
 done:
 	return rval;