Bluetooth: Turn hci_recv_frame into an exported function

For future simplification it is important that the hci_recv_frame
function is no longer an inline function. So move it into the module
itself and export it.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

include/net/bluetooth/hci_core.h

@@ -437,28 +437,7 @@ int hci_inquiry(void __user *arg);
 
 void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb);
 
-/* Receive frame from HCI drivers */
-static inline int hci_recv_frame(struct sk_buff *skb)
-{
-	struct hci_dev *hdev = (struct hci_dev *) skb->dev;
-	if (!hdev || (!test_bit(HCI_UP, &hdev->flags) 
-			&& !test_bit(HCI_INIT, &hdev->flags))) {
-		kfree_skb(skb);
-		return -ENXIO;
-	}
-
-	/* Incomming skb */
-	bt_cb(skb)->incoming = 1;
-
-	/* Time stamp */
-	__net_timestamp(skb);
-
-	/* Queue frame for rx task */
-	skb_queue_tail(&hdev->rx_q, skb);
-	hci_sched_rx(hdev);
-	return 0;
-}
-
+int hci_recv_frame(struct sk_buff *skb);
 int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count);
 
 int hci_register_sysfs(struct hci_dev *hdev);

net/bluetooth/hci_core.c

@@ -987,6 +987,29 @@ int hci_resume_dev(struct hci_dev *hdev)
 }
 EXPORT_SYMBOL(hci_resume_dev);
 
+/* Receive frame from HCI drivers */
+int hci_recv_frame(struct sk_buff *skb)
+{
+	struct hci_dev *hdev = (struct hci_dev *) skb->dev;
+	if (!hdev || (!test_bit(HCI_UP, &hdev->flags)
+				&& !test_bit(HCI_INIT, &hdev->flags))) {
+		kfree_skb(skb);
+		return -ENXIO;
+	}
+
+	/* Incomming skb */
+	bt_cb(skb)->incoming = 1;
+
+	/* Time stamp */
+	__net_timestamp(skb);
+
+	/* Queue frame for rx task */
+	skb_queue_tail(&hdev->rx_q, skb);
+	hci_sched_rx(hdev);
+	return 0;
+}
+EXPORT_SYMBOL(hci_recv_frame);
+
 /* Receive packet type fragment */
 #define __reassembly(hdev, type)  ((hdev)->reassembly[(type) - 2])