Guard against out-of-bounds layer

7 years ago · 480bfbd021
parent e4cf2e4c75
commit 480bfbd021
1 changed files with 3 additions and 0 deletions
--- a/src/Kaleidoscope/EEPROM-Keymap.cpp
+++ b/src/Kaleidoscope/EEPROM-Keymap.cpp
@ -113,6 +113,9 @@ bool EEPROMKeymap::focusKeymapLayer(const char *command) {
  }

  uint8_t layer = Serial.parseInt();
+  if (layer >= max_layers_) {
+    return false;
+  }
  uint16_t keysPerLayer = ROWS * COLS;
  uint16_t offset = layer * keysPerLayer;
  if (Serial.peek() == '\n') {