Fix compiler warning in M145

8 years ago · 396434a445
parent 8e787304c9
commit 396434a445
1 changed files with 2 additions and 2 deletions
--- a/Marlin/Marlin_main.cpp
+++ b/Marlin/Marlin_main.cpp
@ -5518,8 +5518,8 @@ inline void gcode_M140() {
   *   F<fan speed>
   */
  inline void gcode_M145() {
-    int8_t material = code_seen('S') ? (int8_t)code_value_int() : 0;
+    uint8_t material = code_seen('S') ? (uint8_t)code_value_int() : 0;
-    if (material < 0 || material >= COUNT(lcd_preheat_hotend_temp)) {
+    if (material >= COUNT(lcd_preheat_hotend_temp)) {
      SERIAL_ERROR_START;
      SERIAL_ERRORLNPGM(MSG_ERR_MATERIAL_INDEX);
    }