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/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);