Bluetooth: Remove pointless parameter check in hci_uart_send_frame()

The hdev parameter of hci_uart_send_frame() is always valid. If it
were not valid, then it would have crashed earlier in the call chain.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>

diff --git a/drivers/bluetooth/hci_ldisc.c b/drivers/bluetooth/hci_ldisc.c
index b040546..6e06f6f 100644 (file)
--- a/drivers/bluetooth/hci_ldisc.c
+++ b/drivers/bluetooth/hci_ldisc.c
@@ -236,18 +236,11 @@ static int hci_uart_close(struct hci_dev *hdev)
 /* Send frames from HCI layer */
 static int hci_uart_send_frame(struct hci_dev *hdev, struct sk_buff *skb)
 {
-       struct hci_uart *hu;
-
-       if (!hdev) {
-               BT_ERR("Frame for unknown device (hdev=NULL)");
-               return -ENODEV;
-       }
+       struct hci_uart *hu = hci_get_drvdata(hdev);
 
        if (!test_bit(HCI_RUNNING, &hdev->flags))
                return -EBUSY;
 
-       hu = hci_get_drvdata(hdev);
-
        BT_DBG("%s: type %d len %d", hdev->name, bt_cb(skb)->pkt_type, skb->len);
 
        hu->proto->enqueue(hu, skb);