Bluetooth: Remove pointless parameter check in dtl1_hci_send_frame()

The hdev parameter of dtl1_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 <[e-mail]>
Signed-off-by: Johan Hedberg <[e-mail]>

drivers/bluetooth/dtl1_cs.c

···
 
 static int dtl1_hci_send_frame(struct hci_dev *hdev, struct sk_buff *skb)
 {
-	dtl1_info_t *info;
+	dtl1_info_t *info = hci_get_drvdata(hdev);
 	struct sk_buff *s;
 	nsh_t nsh;
-
-	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: