M4 status LED flashing with no main.py present #447 Initialized stack variable

1 files changed, 7 insertions, 1 deletions

diff --git a/main.c b/main.c
index 7ed93ddf5..21940d795 100644
--- a/main.c
+++ b/main.c
@@ -131,6 +131,11 @@ bool start_mp(safe_mode_t safe_mode) {
     #endif
 
     pyexec_result_t result;
+
+    result.return_code = 0;
+    result.exception_type = NULL;
+    result.exception_line = 0;
+
     bool found_main = false;
 
     if (safe_mode != NO_SAFE_MODE) {
@@ -166,9 +171,10 @@ bool start_mp(safe_mode_t safe_mode) {
         if (reload_next_character) {
             return true;
         }
+
         if (serial_connected() && serial_bytes_available()) {
             // Skip REPL if reload was requested.
-            return serial_read() == CHAR_CTRL_D;
+            return (serial_read() == CHAR_CTRL_D);
         }
 
         if (!serial_connected_before_animation && serial_connected()) {