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Message-Id: <20191219183224.507346963@linuxfoundation.org>
Date:   Thu, 19 Dec 2019 19:34:06 +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, Himanshu Madhani <hmadhani@...vell.com>,
        Bart Van Assche <bvanassche@....org>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 4.9 164/199] scsi: qla2xxx: Always check the qla2x00_wait_for_hba_online() return value

From: Bart Van Assche <bvanassche@....org>

[ Upstream commit e6803efae5acd109fad9f2f07dab674563441a53 ]

This patch fixes several Coverity complaints about not always checking
the qla2x00_wait_for_hba_online() return value.

Cc: Himanshu Madhani <hmadhani@...vell.com>
Signed-off-by: Bart Van Assche <bvanassche@....org>
Tested-by: Himanshu Madhani <hmadhani@...vell.com>
Reviewed-by: Himanshu Madhani <hmadhani@...vell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@...cle.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/scsi/qla2xxx/qla_attr.c   | 3 ++-
 drivers/scsi/qla2xxx/qla_target.c | 7 +++++--
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index 5c3dfd92ea024..33f4181ba9f76 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -682,7 +682,8 @@ qla2x00_sysfs_write_reset(struct file *filp, struct kobject *kobj,
 			break;
 		} else {
 			/* Make sure FC side is not in reset */
-			qla2x00_wait_for_hba_online(vha);
+			WARN_ON_ONCE(qla2x00_wait_for_hba_online(vha) !=
+				     QLA_SUCCESS);
 
 			/* Issue MPI reset */
 			scsi_block_requests(vha->host);
diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c
index 3b20cf8b161e4..b889caa556a0b 100644
--- a/drivers/scsi/qla2xxx/qla_target.c
+++ b/drivers/scsi/qla2xxx/qla_target.c
@@ -6341,7 +6341,8 @@ qlt_enable_vha(struct scsi_qla_host *vha)
 
 		set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
 		qla2xxx_wake_dpc(base_vha);
-		qla2x00_wait_for_hba_online(base_vha);
+		WARN_ON_ONCE(qla2x00_wait_for_hba_online(base_vha) !=
+			     QLA_SUCCESS);
 	}
 }
 EXPORT_SYMBOL(qlt_enable_vha);
@@ -6371,7 +6372,9 @@ static void qlt_disable_vha(struct scsi_qla_host *vha)
 
 	set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
 	qla2xxx_wake_dpc(vha);
-	qla2x00_wait_for_hba_online(vha);
+	if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
+		ql_dbg(ql_dbg_tgt, vha, 0xe081,
+		       "qla2x00_wait_for_hba_online() failed\n");
 }
 
 /*
-- 
2.20.1



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