From 360ced4e7fa7b2c9166ef059fc368c3cbb1a0ef0 Mon Sep 17 00:00:00 2001
From: Astro <astro@spaceboyz.net>
Date: Fri, 28 Jan 2022 21:42:15 +0100
Subject: [PATCH] beast: refuse invalid crc

---
 beast/src/aircrafts.rs | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/beast/src/aircrafts.rs b/beast/src/aircrafts.rs
index 80256fd..f6e09a3 100644
--- a/beast/src/aircrafts.rs
+++ b/beast/src/aircrafts.rs
@@ -169,14 +169,15 @@ impl Aircrafts {
             while let Some(frame) = rx.recv().await {
                 match frame.parse_adsb() {
                     Some(adsb_deku::Frame { df: adsb_deku::DF::ADSB(adsb), crc }) => {
-                        if crc != 0 {
+                        if crc == 0 {
+                            state.write().unwrap()
+                                .entry(adsb.icao)
+                                .or_default()
+                                .write().unwrap()
+                                .update(adsb.me);
+                        } else {
                             eprintln!("crc: {:02X}", crc);
                         }
-                        state.write().unwrap()
-                            .entry(adsb.icao)
-                            .or_default()
-                            .write().unwrap()
-                            .update(adsb.me);
                     }
                     _ => {}
                 }