lv_btnm: fix crash

2019-03-17 04:55:18 +01:00
parent 855832b574
commit 9c499bdeae
1 changed files with 2 additions and 0 deletions
--- a/lv_objx/lv_btnm.c
+++ b/lv_objx/lv_btnm.c
@@ -1091,6 +1091,8 @@ static uint16_t get_button_from_point(lv_obj_t * btnm, lv_point_t * p)

 static void invalidate_button_area(const lv_obj_t * btnm, uint16_t btn_idx)
 {
+    if(btn_idx == LV_BTNM_BTN_NONE) return;
+
    lv_area_t btn_area;
    lv_area_t btnm_area;