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fix bug : heap-use-after-free (#2207)

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incity
2021-04-22 22:08:17 +08:00
committed by GitHub
parent 28c43adc60
commit 506a21c6d9
1 changed files with 4 additions and 1 deletions
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5
src/lv_widgets/lv_list.c
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@@ -829,7 +829,10 @@ static lv_res_t lv_list_btn_signal(lv_obj_t * btn, lv_signal_t sign, void * para
lv_obj_t * list = lv_obj_get_parent(lv_obj_get_parent(btn)); lv_obj_t * list = lv_obj_get_parent(lv_obj_get_parent(btn));
lv_list_ext_t * ext = lv_obj_get_ext_attr(list); lv_list_ext_t * ext = lv_obj_get_ext_attr(list);
lv_obj_t * sel = lv_list_get_btn_selected(list); lv_obj_t * sel = lv_list_get_btn_selected(list);
if(sel == btn) lv_list_focus_btn(list, lv_list_get_next_btn(list, btn)); if(sel == btn) {
ext->act_sel_btn = NULL;
lv_list_focus_btn(list, lv_list_get_next_btn(list, btn));
}
if(ext->last_sel_btn == btn) ext->last_sel_btn = NULL; if(ext->last_sel_btn == btn) ext->last_sel_btn = NULL;
#endif #endif
} }