diff --git a/drivers/scsi/qla2xxx/qla_nvme.c b/drivers/scsi/qla2xxx/qla_nvme.c index 42b29f4fd937..1bf3ab10846a 100644 --- a/drivers/scsi/qla2xxx/qla_nvme.c +++ b/drivers/scsi/qla2xxx/qla_nvme.c @@ -775,7 +775,6 @@ int qla_nvme_register_hba(struct scsi_qla_host *vha) ha = vha->hw; tmpl = &qla_nvme_fc_transport; - WARN_ON(vha->nvme_local_port); qla_nvme_fc_transport.max_hw_queues = min((uint8_t)(qla_nvme_fc_transport.max_hw_queues), @@ -786,13 +785,25 @@ int qla_nvme_register_hba(struct scsi_qla_host *vha) pinfo.port_role = FC_PORT_ROLE_NVME_INITIATOR; pinfo.port_id = vha->d_id.b24; - ql_log(ql_log_info, vha, 0xffff, - "register_localport: host-traddr=nn-0x%llx:pn-0x%llx on portID:%x\n", - pinfo.node_name, pinfo.port_name, pinfo.port_id); - qla_nvme_fc_transport.dma_boundary = vha->host->dma_boundary; + mutex_lock(&ha->vport_lock); + /* + * Check again for nvme_local_port to see if any other thread raced + * with this one and finished registration. + */ + if (!vha->nvme_local_port) { + ql_log(ql_log_info, vha, 0xffff, + "register_localport: host-traddr=nn-0x%llx:pn-0x%llx on portID:%x\n", + pinfo.node_name, pinfo.port_name, pinfo.port_id); + qla_nvme_fc_transport.dma_boundary = vha->host->dma_boundary; - ret = nvme_fc_register_localport(&pinfo, tmpl, - get_device(&ha->pdev->dev), &vha->nvme_local_port); + ret = nvme_fc_register_localport(&pinfo, tmpl, + get_device(&ha->pdev->dev), + &vha->nvme_local_port); + mutex_unlock(&ha->vport_lock); + } else { + mutex_unlock(&ha->vport_lock); + return 0; + } if (ret) { ql_log(ql_log_warn, vha, 0xffff, "register_localport failed: ret=%x\n", ret);