NFC: llcp: Fix 2 memory leaks

Once copied into the sk_buff data area using llcp_add_tlv(), the
allocated TLVs must be freed.

With this patch nfc_llcp_send_connect() and nfc_llcp_send_cc() don't
return immediately on success and now free the allocated TLVs.
Signed-off-by: NThierry Escande <thierry.escande@collabora.com>
Signed-off-by: NSamuel Ortiz <sameo@linux.intel.com>

net/nfc/llcp_commands.c

@@ -444,10 +444,11 @@ int nfc_llcp_send_connect(struct nfc_llcp_sock *sock)
 
 	skb_queue_tail(&local->tx_queue, skb);
 
-	return 0;
+	err = 0;
 
 error_tlv:
-	pr_err("error %d\n", err);
+	if (err)
+		pr_err("error %d\n", err);
 
 	kfree(service_name_tlv);
 	kfree(miux_tlv);
@@ -495,10 +496,11 @@ int nfc_llcp_send_cc(struct nfc_llcp_sock *sock)
 
 	skb_queue_tail(&local->tx_queue, skb);
 
-	return 0;
+	err = 0;
 
 error_tlv:
-	pr_err("error %d\n", err);
+	if (err)
+		pr_err("error %d\n", err);
 
 	kfree(miux_tlv);
 	kfree(rw_tlv);