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path: root/drivers/s390/scsi/zfcp_ccw.c
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Diffstat (limited to 'drivers/s390/scsi/zfcp_ccw.c')
-rw-r--r--drivers/s390/scsi/zfcp_ccw.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/s390/scsi/zfcp_ccw.c b/drivers/s390/scsi/zfcp_ccw.c
index 0fc46381fc2..b30abab77da 100644
--- a/drivers/s390/scsi/zfcp_ccw.c
+++ b/drivers/s390/scsi/zfcp_ccw.c
@@ -202,9 +202,19 @@ static int
202zfcp_ccw_set_offline(struct ccw_device *ccw_device) 202zfcp_ccw_set_offline(struct ccw_device *ccw_device)
203{ 203{
204 struct zfcp_adapter *adapter; 204 struct zfcp_adapter *adapter;
205 struct zfcp_port *port;
206 struct fc_rport *rport;
205 207
206 down(&zfcp_data.config_sema); 208 down(&zfcp_data.config_sema);
207 adapter = dev_get_drvdata(&ccw_device->dev); 209 adapter = dev_get_drvdata(&ccw_device->dev);
210 /* might be racy, but we cannot take config_lock due to the fact that
211 fc_remote_port_delete might sleep */
212 list_for_each_entry(port, &adapter->port_list_head, list)
213 if (port->rport) {
214 rport = port->rport;
215 port->rport = NULL;
216 fc_remote_port_delete(rport);
217 }
208 zfcp_erp_adapter_shutdown(adapter, 0); 218 zfcp_erp_adapter_shutdown(adapter, 0);
209 zfcp_erp_wait(adapter); 219 zfcp_erp_wait(adapter);
210 zfcp_adapter_scsi_unregister(adapter); 220 zfcp_adapter_scsi_unregister(adapter);