Forgot to add Ok(())

src/main.rs

@@ -38,6 +38,7 @@ fn pcap_loop<T: Read>(tx: Sender<KissPkt>, stream: T) -> Result<()> {
             data: pkt.data.into(),
         })?;
     }
+    Ok(())
 }
 fn tnc_loop<T: Read>(tx: Sender<KissPkt>, mut stream: T) -> Result<()> {
     let mut buffer = [0_u8; 4096];