[SCSI] libfc: fix oops in point-to-point mode

[cascardo/linux.git] / drivers / scsi / libfc / fc_lport.c

diff --git a/drivers/scsi/libfc/fc_lport.c b/drivers/scsi/libfc/fc_lport.c
index d126ecf..fe8700f 100644 (file)
--- a/drivers/scsi/libfc/fc_lport.c
+++ b/drivers/scsi/libfc/fc_lport.c
@@ -228,9 +228,12 @@ static void fc_lport_ptp_setup(struct fc_lport *lport,
                               u64 remote_wwnn)
 {
        mutex_lock(&lport->disc.disc_mutex);
-       if (lport->ptp_rdata)
+       if (lport->ptp_rdata) {
                lport->tt.rport_logoff(lport->ptp_rdata);
+               kref_put(&lport->ptp_rdata->kref, lport->tt.rport_destroy);
+       }
        lport->ptp_rdata = lport->tt.rport_create(lport, remote_fid);
+       kref_get(&lport->ptp_rdata->kref);
        lport->ptp_rdata->ids.port_name = remote_wwpn;
        lport->ptp_rdata->ids.node_name = remote_wwnn;
        mutex_unlock(&lport->disc.disc_mutex);
@@ -947,7 +950,11 @@ static void fc_lport_reset_locked(struct fc_lport *lport)
        if (lport->dns_rdata)
                lport->tt.rport_logoff(lport->dns_rdata);
 
-       lport->ptp_rdata = NULL;
+       if (lport->ptp_rdata) {
+               lport->tt.rport_logoff(lport->ptp_rdata);
+               kref_put(&lport->ptp_rdata->kref, lport->tt.rport_destroy);
+               lport->ptp_rdata = NULL;
+       }
 
        lport->tt.disc_stop(lport);