Bluetooth: Remove some pointless conditionals before kfree_skb()

Remove some pointless conditionals before kfree_skb().
Signed-off-by: NWei Yongjun <yjwei@cn.fujitsu.com>
Signed-off-by: NMarcel Holtmann <marcel@holtmann.org>

drivers/bluetooth/bfusb.c

@@ -257,8 +257,7 @@ static inline int bfusb_recv_block(struct bfusb_data *data, int hdr, unsigned ch
 
 	if (hdr & 0x10) {
 		BT_ERR("%s error in block", data->hdev->name);
-		if (data->reassembly)
-			kfree_skb(data->reassembly);
+		kfree_skb(data->reassembly);
 		data->reassembly = NULL;
 		return -EIO;
 	}

drivers/bluetooth/hci_h4.c

@@ -102,8 +102,7 @@ static int h4_close(struct hci_uart *hu)
 
 	skb_queue_purge(&h4->txq);
 
-	if (h4->rx_skb)
-		kfree_skb(h4->rx_skb);
+	kfree_skb(h4->rx_skb);
 
 	hu->priv = NULL;
 	kfree(h4);

drivers/bluetooth/hci_ll.c

@@ -163,8 +163,7 @@ static int ll_close(struct hci_uart *hu)
 	skb_queue_purge(&ll->tx_wait_q);
 	skb_queue_purge(&ll->txq);
 
-	if (ll->rx_skb)
-		kfree_skb(ll->rx_skb);
+	kfree_skb(ll->rx_skb);
 
 	hu->priv = NULL;