Bluetooth: Remove some pointless conditionals before kfree_skb()

Remove some pointless conditionals before kfree_skb().

Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
diff --git a/net/bluetooth/cmtp/core.c b/net/bluetooth/cmtp/core.c
index c9cac77..0073ec8 100644
--- a/net/bluetooth/cmtp/core.c
+++ b/net/bluetooth/cmtp/core.c
@@ -126,8 +126,7 @@
 
 	session->reassembly[id] = nskb;
 
-	if (skb)
-		kfree_skb(skb);
+	kfree_skb(skb);
 }
 
 static inline int cmtp_recv_frame(struct cmtp_session *session, struct sk_buff *skb)
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index ba78cc1..cd06151 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -1565,8 +1565,7 @@
 
 	/* Send queued commands */
 	if (atomic_read(&hdev->cmd_cnt) && (skb = skb_dequeue(&hdev->cmd_q))) {
-		if (hdev->sent_cmd)
-			kfree_skb(hdev->sent_cmd);
+		kfree_skb(hdev->sent_cmd);
 
 		if ((hdev->sent_cmd = skb_clone(skb, GFP_ATOMIC))) {
 			atomic_dec(&hdev->cmd_cnt);
diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c
index db6fbf12..ca4d3b4 100644
--- a/net/bluetooth/l2cap.c
+++ b/net/bluetooth/l2cap.c
@@ -518,8 +518,7 @@
 
 	BT_DBG("hcon %p conn %p, err %d", hcon, conn, err);
 
-	if (conn->rx_skb)
-		kfree_skb(conn->rx_skb);
+	kfree_skb(conn->rx_skb);
 
 	/* Kill channels */
 	while ((sk = conn->chan_list.head)) {