提交 df5c37ea 编写于 作者: M Marcel Holtmann 提交者: David S. Miller

[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: NMarcel Holtmann <marcel@holtmann.org>
上级 e9c5702e
......@@ -242,10 +242,14 @@ static void add_conn(void *data)
struct hci_conn *conn = data;
int i;
device_register(&conn->dev);
if (device_register(&conn->dev) < 0) {
BT_ERR("Failed to register connection device");
return;
}
for (i = 0; conn_attrs[i]; i++)
device_create_file(&conn->dev, conn_attrs[i]);
if (device_create_file(&conn->dev, conn_attrs[i]) < 0)
BT_ERR("Failed to create connection attribute");
}
void hci_conn_add_sysfs(struct hci_conn *conn)
......@@ -312,7 +316,8 @@ int hci_register_sysfs(struct hci_dev *hdev)
return err;
for (i = 0; bt_attrs[i]; i++)
device_create_file(dev, bt_attrs[i]);
if (device_create_file(dev, bt_attrs[i]) < 0)
BT_ERR("Failed to create device attribute");
return 0;
}
......
......@@ -2216,7 +2216,8 @@ static int __init l2cap_init(void)
goto error;
}
class_create_file(bt_class, &class_attr_l2cap);
if (class_create_file(bt_class, &class_attr_l2cap) < 0)
BT_ERR("Failed to create L2CAP info file");
BT_INFO("L2CAP ver %s", VERSION);
BT_INFO("L2CAP socket layer initialized");
......
......@@ -2058,7 +2058,8 @@ static int __init rfcomm_init(void)
kernel_thread(rfcomm_run, NULL, CLONE_KERNEL);
class_create_file(bt_class, &class_attr_rfcomm_dlc);
if (class_create_file(bt_class, &class_attr_rfcomm_dlc) < 0)
BT_ERR("Failed to create RFCOMM info file");
rfcomm_init_sockets();
......
......@@ -944,7 +944,8 @@ int __init rfcomm_init_sockets(void)
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");
......
......@@ -967,7 +967,8 @@ static int __init sco_init(void)
goto error;
}
class_create_file(bt_class, &class_attr_sco);
if (class_create_file(bt_class, &class_attr_sco) < 0)
BT_ERR("Failed to create SCO info file");
BT_INFO("SCO (Voice Link) ver %s", VERSION);
BT_INFO("SCO socket layer initialized");
......
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