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>

net/bluetooth/cmtp/core.c

@@ -126,7 +126,6 @@ static inline void cmtp_add_msgpart(struct cmtp_session *session, int id, const
 
 	session->reassembly[id] = nskb;
 
-	if (skb)
 	kfree_skb(skb);
 }
 

net/bluetooth/hci_core.c

@@ -1565,7 +1565,6 @@ static void hci_cmd_task(unsigned long arg)
 
 	/* Send queued commands */
 	if (atomic_read(&hdev->cmd_cnt) && (skb = skb_dequeue(&hdev->cmd_q))) {
-		if (hdev->sent_cmd)
 		kfree_skb(hdev->sent_cmd);
 
 		if ((hdev->sent_cmd = skb_clone(skb, GFP_ATOMIC))) {

net/bluetooth/l2cap.c

@@ -518,7 +518,6 @@ static void l2cap_conn_del(struct hci_conn *hcon, int err)
 
 	BT_DBG("hcon %p conn %p, err %d", hcon, conn, err);
 
-	if (conn->rx_skb)
 	kfree_skb(conn->rx_skb);
 
 	/* Kill channels */