[Bluetooth] Handle return values from driver core functions
Some return values of the driver core register and create functions
are not handled and so might cause unexpected problems.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
diff --git a/net/bluetooth/rfcomm/sock.c b/net/bluetooth/rfcomm/sock.c
index 220fee0..530cc41 100644
--- a/net/bluetooth/rfcomm/sock.c
+++ b/net/bluetooth/rfcomm/sock.c
@@ -944,7 +944,8 @@
if (err < 0)
goto error;
- class_create_file(bt_class, &class_attr_rfcomm);
+ if (class_create_file(bt_class, &class_attr_rfcomm) < 0)
+ BT_ERR("Failed to create RFCOMM info file");
BT_INFO("RFCOMM socket layer initialized");