linux-kernel - [PATCH AUTOSEL 4.19 138/205] scsi: qla2xxx: Fix iIDMA error

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Date:   Fri,  8 Nov 2019 06:36:45 -0500
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Quinn Tran <quinn.tran@...ium.com>,
        Himanshu Madhani <himanshu.madhani@...ium.com>,
        "Martin K . Petersen" <martin.petersen@...cle.com>,
        Sasha Levin <sashal@...nel.org>, linux-scsi@...r.kernel.org
Subject: [PATCH AUTOSEL 4.19 138/205] scsi: qla2xxx: Fix iIDMA error

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

[ Upstream commit 8d9bf0a9a268f7ca0b811d6e6a1fc783afa5c746 ]

When switch responds with error for Get Port Speed Command (GPSC), driver
should not proceed with telling FW about the speed of the remote port.

Signed-off-by: Quinn Tran <quinn.tran@...ium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@...ium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@...cle.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/scsi/qla2xxx/qla_gs.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/qla2xxx/qla_gs.c b/drivers/scsi/qla2xxx/qla_gs.c
index 34ff4bbc8de10..d611cf722244c 100644
--- a/drivers/scsi/qla2xxx/qla_gs.c
+++ b/drivers/scsi/qla2xxx/qla_gs.c
@@ -3277,7 +3277,7 @@ static void qla24xx_async_gpsc_sp_done(void *s, int res)
 			ql_dbg(ql_dbg_disc, vha, 0x2019,
 			    "GPSC command unsupported, disabling query.\n");
 			ha->flags.gpsc_supported = 0;
-			res = QLA_SUCCESS;
+			goto done;
 		}
 	} else {
 		switch (be16_to_cpu(ct_rsp->rsp.gpsc.speed)) {
@@ -3310,7 +3310,6 @@ static void qla24xx_async_gpsc_sp_done(void *s, int res)
 		    be16_to_cpu(ct_rsp->rsp.gpsc.speeds),
 		    be16_to_cpu(ct_rsp->rsp.gpsc.speed));
 	}
-done:
 	memset(&ea, 0, sizeof(ea));
 	ea.event = FCME_GPSC_DONE;
 	ea.rc = res;
@@ -3318,6 +3317,7 @@ done:
 	ea.sp = sp;
 	qla2x00_fcport_event_handler(vha, &ea);
 
+done:
 	sp->free(sp);
 }
 
-- 
2.20.1