Bluetooth: Fix kfree() => kfree_skb() in hci_ath.c

sk_buffs have to be freed with kfree_skb() instead of kfree().

Signed-off-by: Dan Carpenter <error27@gmail.com>
Acked-by: Gustavo F. Padovan <padovan@profusion.mobi>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
diff --git a/drivers/bluetooth/hci_ath.c b/drivers/bluetooth/hci_ath.c
index b941dd5..6a160c1 100644
--- a/drivers/bluetooth/hci_ath.c
+++ b/drivers/bluetooth/hci_ath.c
@@ -163,7 +163,7 @@
 	struct ath_struct *ath = hu->priv;
 
 	if (bt_cb(skb)->pkt_type == HCI_SCODATA_PKT) {
-		kfree(skb);
+		kfree_skb(skb);
 		return 0;
 	}