Fix EEPROM error when EXTRUDERS == 0

When EXTRUDERS == 0, saving does nothing, but loading loads a zero-length array which evidently is not the same as skipping the operation entirely
MarlinFirmware · Jan 5, 2020 · f2b54c1 · f2b54c1
1 parent cc21466
commit f2b54c1
Showing 1 changed file with 7 additions and 5 deletions.
diff --git a/Marlin/src/module/configuration_store.cpp b/Marlin/src/module/configuration_store.cpp
@@ -1934,12 +1934,14 @@ void MarlinSettings::postprocess() {
       // Linear Advance
       //
       {
-        float extruder_advance_K[EXTRUDERS];
         _FIELD_TEST(planner_extruder_advance_K);
-        EEPROM_READ(extruder_advance_K);
-        #if ENABLED(LIN_ADVANCE)
-          if (!validating)
-            COPY(planner.extruder_advance_K, extruder_advance_K);
+        #if EXTRUDERS
+          float extruder_advance_K[EXTRUDERS];
+          EEPROM_READ(extruder_advance_K);
+          #if ENABLED(LIN_ADVANCE)
+            if (!validating)
+              COPY(planner.extruder_advance_K, extruder_advance_K);
+          #endif
         #endif
       }