[PATCH 5.3 147/180] scsi: qla2xxx: Always check the qla2x00_wait_for_hba_online() return value

Greg Kroah-Hartman
2019-12-16T18:13:07Z

From: Bart Van Assche <bvanassche@acm.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@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>
---
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 9584c5a483975..d9a0eb1d8a1d2 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -725,7 +725,8 @@ 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 7e98d1be757dc..7c44f84a58e92 100644
--- a/drivers/scsi/qla2xxx/qla_target.c
+++ b/drivers/scsi/qla2xxx/qla_target.c
@@ -6681,7 +6681,8 @@ 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);
}
mutex_unlock(&ha->optrom_mutex);
}
@@ -6712,7 +6713,9 @@ 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