From 98f162ab1ac924394cd9bbe4c8d26047f4f54b2c Mon Sep 17 00:00:00 2001
From: Logan <huhaifan96@gmail.com>
Date: Mon, 20 Mar 2023 15:04:26 +0800
Subject: [PATCH] Fix memery leak

---
 rc522.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/rc522.c b/rc522.c
index 568634ae..a7058d5b 100644
--- a/rc522.c
+++ b/rc522.c
@@ -610,6 +610,8 @@ static void rc522_task(void* arg)
             free(serial_no_array);
             rc522_dispatch_event(rc522, RC522_EVENT_TAG_SCANNED, &tag);
             rc522->tag_was_present_last_time = true;
+        } else {
+            free(serial_no_array);
         }
 
         int delay_interval_ms = rc522->config->scan_interval_ms;