diff options
| -rw-r--r-- | drivers/ntb/ntb_transport.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/ntb/ntb_transport.c b/drivers/ntb/ntb_transport.c index 250190fba757..1d17857a2d97 100644 --- a/drivers/ntb/ntb_transport.c +++ b/drivers/ntb/ntb_transport.c @@ -288,6 +288,9 @@ int ntb_register_client_dev(char *device_name) struct ntb_transport *nt; int rc; + if (list_empty(&ntb_transport_list)) + return -ENODEV; + list_for_each_entry(nt, &ntb_transport_list, entry) { struct device *dev; @@ -336,6 +339,9 @@ int ntb_register_client(struct ntb_client *drv) { drv->driver.bus = &ntb_bus_type; + if (list_empty(&ntb_transport_list)) + return -ENODEV; + return driver_register(&drv->driver); } EXPORT_SYMBOL_GPL(ntb_register_client); |