summaryrefslogtreecommitdiffstats
path: root/drivers
diff options
context:
space:
mode:
Diffstat (limited to 'drivers')
-rw-r--r--drivers/s390/scsi/zfcp_aux.c7
-rw-r--r--drivers/s390/scsi/zfcp_scsi.c6
2 files changed, 9 insertions, 4 deletions
diff --git a/drivers/s390/scsi/zfcp_aux.c b/drivers/s390/scsi/zfcp_aux.c
index 2ccbd185a5fb..fa2460b42298 100644
--- a/drivers/s390/scsi/zfcp_aux.c
+++ b/drivers/s390/scsi/zfcp_aux.c
@@ -672,12 +672,15 @@ err_out:
*/
void zfcp_port_dequeue(struct zfcp_port *port)
{
- wait_event(port->remove_wq, atomic_read(&port->refcount) == 0);
write_lock_irq(&zfcp_data.config_lock);
list_del(&port->list);
write_unlock_irq(&zfcp_data.config_lock);
- if (port->rport)
+ if (port->rport) {
port->rport->dd_data = NULL;
+ port->rport = NULL;
+ }
+ wait_event(port->remove_wq, atomic_read(&port->refcount) == 0);
+ cancel_work_sync(&port->rport_work); /* usually not necessary */
zfcp_adapter_put(port->adapter);
sysfs_remove_group(&port->sysfs_device.kobj, &zfcp_sysfs_port_attrs);
device_unregister(&port->sysfs_device);
diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c
index 6925a1784682..54a7a7474aa5 100644
--- a/drivers/s390/scsi/zfcp_scsi.c
+++ b/drivers/s390/scsi/zfcp_scsi.c
@@ -582,8 +582,10 @@ void zfcp_scsi_schedule_rport_block(struct zfcp_port *port)
zfcp_port_get(port);
port->rport_task = RPORT_DEL;
- if (!queue_work(zfcp_data.work_queue, &port->rport_work))
- zfcp_port_put(port);
+ if (port->rport && queue_work(zfcp_data.work_queue, &port->rport_work))
+ return;
+
+ zfcp_port_put(port);
}
void zfcp_scsi_schedule_rports_block(struct zfcp_adapter *adapter)