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path: root/drivers/s390/scsi/zfcp_aux.c
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Diffstat (limited to 'drivers/s390/scsi/zfcp_aux.c')
-rw-r--r--drivers/s390/scsi/zfcp_aux.c44
1 files changed, 26 insertions, 18 deletions
diff --git a/drivers/s390/scsi/zfcp_aux.c b/drivers/s390/scsi/zfcp_aux.c
index 1be6bf7e8ce6..2889e5f2dfd3 100644
--- a/drivers/s390/scsi/zfcp_aux.c
+++ b/drivers/s390/scsi/zfcp_aux.c
@@ -80,28 +80,35 @@ int zfcp_reqlist_isempty(struct zfcp_adapter *adapter)
static void __init zfcp_init_device_configure(char *busid, u64 wwpn, u64 lun)
{
+ struct ccw_device *ccwdev;
struct zfcp_adapter *adapter;
struct zfcp_port *port;
struct zfcp_unit *unit;
- mutex_lock(&zfcp_data.config_mutex);
- read_lock_irq(&zfcp_data.config_lock);
- adapter = zfcp_get_adapter_by_busid(busid);
- if (adapter)
- zfcp_adapter_get(adapter);
- read_unlock_irq(&zfcp_data.config_lock);
+ ccwdev = get_ccwdev_by_busid(&zfcp_ccw_driver, busid);
+ if (!ccwdev)
+ return;
+
+ if (ccw_device_set_online(ccwdev))
+ goto out_ccwdev;
+ mutex_lock(&zfcp_data.config_mutex);
+ adapter = dev_get_drvdata(&ccwdev->dev);
if (!adapter)
- goto out_adapter;
- port = zfcp_port_enqueue(adapter, wwpn, 0, 0);
- if (IS_ERR(port))
+ goto out_unlock;
+ zfcp_adapter_get(adapter);
+
+ port = zfcp_get_port_by_wwpn(adapter, wwpn);
+ if (!port)
goto out_port;
+
+ zfcp_port_get(port);
unit = zfcp_unit_enqueue(port, lun);
if (IS_ERR(unit))
goto out_unit;
mutex_unlock(&zfcp_data.config_mutex);
- ccw_device_set_online(adapter->ccw_device);
+ zfcp_erp_unit_reopen(unit, 0, "auidc_1", NULL);
zfcp_erp_wait(adapter);
flush_work(&unit->scsi_work);
@@ -111,20 +118,23 @@ out_unit:
zfcp_port_put(port);
out_port:
zfcp_adapter_put(adapter);
-out_adapter:
+out_unlock:
mutex_unlock(&zfcp_data.config_mutex);
+out_ccwdev:
+ put_device(&ccwdev->dev);
return;
}
static void __init zfcp_init_device_setup(char *devstr)
{
char *token;
- char *str;
+ char *str, *str_saved;
char busid[ZFCP_BUS_ID_SIZE];
u64 wwpn, lun;
/* duplicate devstr and keep the original for sysfs presentation*/
- str = kmalloc(strlen(devstr) + 1, GFP_KERNEL);
+ str_saved = kmalloc(strlen(devstr) + 1, GFP_KERNEL);
+ str = str_saved;
if (!str)
return;
@@ -143,12 +153,12 @@ static void __init zfcp_init_device_setup(char *devstr)
if (!token || strict_strtoull(token, 0, (unsigned long long *) &lun))
goto err_out;
- kfree(str);
+ kfree(str_saved);
zfcp_init_device_configure(busid, wwpn, lun);
return;
- err_out:
- kfree(str);
+err_out:
+ kfree(str_saved);
pr_err("%s is not a valid SCSI device\n", devstr);
}
@@ -593,10 +603,8 @@ void zfcp_adapter_dequeue(struct zfcp_adapter *adapter)
int retval = 0;
unsigned long flags;
- cancel_work_sync(&adapter->scan_work);
cancel_work_sync(&adapter->stat_work);
zfcp_fc_wka_ports_force_offline(adapter->gs);
- zfcp_adapter_scsi_unregister(adapter);
sysfs_remove_group(&adapter->ccw_device->dev.kobj,
&zfcp_sysfs_adapter_attrs);
dev_set_drvdata(&adapter->ccw_device->dev, NULL);