From: Bart Van Assche <bvanassche@acm.org>
Date: Fri, 9 Aug 2019 03:01:52 +0000 (-0700)
Subject: scsi: qla2xxx: Always check the qla2x00_wait_for_hba_online() return value
X-Git-Tag: v4.19.90~57
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=c266dfbc95023a7d1fd2ca66d8139f2093472043;p=thirdparty%2Fkernel%2Fstable.git

scsi: qla2xxx: Always check the qla2x00_wait_for_hba_online() return value

[ 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@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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---

diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index 3e9c49b3184f1..b008d583dd6e1 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -655,7 +655,8 @@ 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 2a03d097da7b6..210ce294038df 100644
--- a/drivers/scsi/qla2xxx/qla_target.c
+++ b/drivers/scsi/qla2xxx/qla_target.c
@@ -6543,7 +6543,8 @@ qlt_enable_vha(struct scsi_qla_host *vha)
 	} else {
 		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);
@@ -6573,7 +6574,9 @@ 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");
 }
 
 /*