Bluetooth: Remove pointless parameter check in bt3c_hci_send_frame()

The hdev parameter of bt3c_hci_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>

drivers/bluetooth/bt3c_cs.c

@@ -417,16 +417,9 @@ static int bt3c_hci_close(struct hci_dev *hdev)
 
 static int bt3c_hci_send_frame(struct hci_dev *hdev, struct sk_buff *skb)
 {
-	bt3c_info_t *info;
+	bt3c_info_t *info = hci_get_drvdata(hdev);
 	unsigned long flags;
 
-	if (!hdev) {
-		BT_ERR("Frame for unknown HCI device (hdev=NULL)");
-		return -ENODEV;
-	}
-
-	info = hci_get_drvdata(hdev);
-
 	switch (bt_cb(skb)->pkt_type) {
 	case HCI_COMMAND_PKT:
 		hdev->stat.cmd_tx++;