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path: root/drivers/scsi/lpfc/lpfc_nvme.c
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Diffstat (limited to 'drivers/scsi/lpfc/lpfc_nvme.c')
-rw-r--r--drivers/scsi/lpfc/lpfc_nvme.c46
1 files changed, 28 insertions, 18 deletions
diff --git a/drivers/scsi/lpfc/lpfc_nvme.c b/drivers/scsi/lpfc/lpfc_nvme.c
index d7cb6ba71892..1942e61e1103 100644
--- a/drivers/scsi/lpfc/lpfc_nvme.c
+++ b/drivers/scsi/lpfc/lpfc_nvme.c
@@ -2295,6 +2295,7 @@ lpfc_nvme_register_port(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
struct lpfc_nvme_rport *rport;
struct nvme_fc_remote_port *remote_port;
struct nvme_fc_port_info rpinfo;
+ struct lpfc_nodelist *prev_ndlp;
lpfc_printf_vlog(ndlp->vport, KERN_INFO, LOG_NVME_DISC,
"6006 Register NVME PORT. DID x%06x nlptype x%x\n",
@@ -2331,7 +2332,7 @@ lpfc_nvme_register_port(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
* new rport.
*/
rport = remote_port->private;
- if (ndlp->nrport == rport) {
+ if (ndlp->nrport) {
lpfc_printf_vlog(ndlp->vport, KERN_INFO,
LOG_NVME_DISC,
"6014 Rebinding lport to "
@@ -2342,24 +2343,33 @@ lpfc_nvme_register_port(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
remote_port->port_role,
ndlp->nlp_type,
ndlp->nlp_DID);
- } else {
- /* New rport. */
- rport->remoteport = remote_port;
- rport->lport = lport;
- rport->ndlp = lpfc_nlp_get(ndlp);
- if (!rport->ndlp)
- return -1;
- ndlp->nrport = rport;
- lpfc_printf_vlog(vport, KERN_INFO,
- LOG_NVME_DISC | LOG_NODE,
- "6022 Binding new rport to "
- "lport %p Rport WWNN 0x%llx, "
- "Rport WWPN 0x%llx DID "
- "x%06x Role x%x\n",
- lport,
- rpinfo.node_name, rpinfo.port_name,
- rpinfo.port_id, rpinfo.port_role);
+ prev_ndlp = rport->ndlp;
+
+ /* Sever the ndlp<->rport connection before dropping
+ * the ndlp ref from register.
+ */
+ ndlp->nrport = NULL;
+ rport->ndlp = NULL;
+ if (prev_ndlp)
+ lpfc_nlp_put(ndlp);
}
+
+ /* Clean bind the rport to the ndlp. */
+ rport->remoteport = remote_port;
+ rport->lport = lport;
+ rport->ndlp = lpfc_nlp_get(ndlp);
+ if (!rport->ndlp)
+ return -1;
+ ndlp->nrport = rport;
+ lpfc_printf_vlog(vport, KERN_INFO,
+ LOG_NVME_DISC | LOG_NODE,
+ "6022 Binding new rport to "
+ "lport %p Rport WWNN 0x%llx, "
+ "Rport WWPN 0x%llx DID "
+ "x%06x Role x%x\n",
+ lport,
+ rpinfo.node_name, rpinfo.port_name,
+ rpinfo.port_id, rpinfo.port_role);
} else {
lpfc_printf_vlog(vport, KERN_ERR,
LOG_NVME_DISC | LOG_NODE,