From 9237086b3891d1c4ccafb8d1f62bdb0caa8b3c08 Mon Sep 17 00:00:00 2001
From: Oliver Jowett <oliver.jowett@flightaware.com>
Date: Mon, 10 Aug 2020 14:59:15 +0800
Subject: [PATCH] Fix on-exit memory leaks noticed by @Mictronics

---
 dump1090.c | 1 +
 fifo.c     | 4 ++--
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/dump1090.c b/dump1090.c
index 7c40508..d5c3111 100644
--- a/dump1090.c
+++ b/dump1090.c
@@ -709,6 +709,7 @@ int main(int argc, char **argv) {
     }
 
     sdrClose();
+    fifo_destroy();
 
     if (Modes.exit == 1) {
         log_with_timestamp("Normal exit.");
diff --git a/fifo.c b/fifo.c
index 15f4f78..f7675f2 100644
--- a/fifo.c
+++ b/fifo.c
@@ -83,10 +83,10 @@ static void free_buffer_list(struct mag_buf *head)
 void fifo_destroy()
 {
     free_buffer_list(fifo_head);
-    fifo_freelist = NULL;
+    fifo_head = fifo_tail = NULL;
 
     free_buffer_list(fifo_freelist);
-    fifo_head = fifo_tail = NULL;
+    fifo_freelist = NULL;
 
     free(overlap_buffer);
     overlap_buffer = NULL;