temp runaway: proper cast to prevent any overflow.

11 years ago · 30248214c7
parent 975810fb4a
commit 30248214c7
1 changed files with 1 additions and 1 deletions
--- a/Marlin/temperature.cpp
+++ b/Marlin/temperature.cpp
@ -1049,7 +1049,7 @@ void thermal_runaway_protection(int *state, unsigned long *timer, float temperat
      {
        *timer = millis();
      } 
-      else if ( (millis() - *timer) > period_seconds*1000)
+      else if ( (millis() - *timer) > ((unsigned long) period_seconds) * 1000)
      {
        SERIAL_ERROR_START;
        SERIAL_ERRORLNPGM("Thermal Runaway, system stopped! Heater_ID: ");