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Fix chart linked list free before use bug.

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This commit is contained in:
pete-pjb 2020-07-13 14:26:04 +01:00
parent e1a09551ce
commit baeda1998f
1 changed files with 7 additions and 5 deletions
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12
src/lv_widgets/lv_chart.c
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@ -783,13 +783,15 @@ static lv_res_t lv_chart_signal(lv_obj_t * chart, lv_signal_t sign, void * param
if(sign == LV_SIGNAL_CLEANUP) {
lv_chart_series_t * ser;
_LV_LL_READ(ext->series_ll, ser) {
while( ext->series_ll.head != NULL ) {
ser =_lv_ll_get_head(&ext->series_ll);
if(!ser->ext_buf_assigned) lv_mem_free(ser->points);
if(!ser->ext_buf_assigned) lv_mem_free(ser->points);
lv_mem_free(ser);
}
_lv_ll_clear(&ext->series_ll);
_lv_ll_remove(&ext->series_ll, ser);
lv_mem_free(ser);
}
_lv_ll_clear(&ext->series_ll);
lv_obj_clean_style_list(chart, LV_CHART_PART_SERIES);
lv_obj_clean_style_list(chart, LV_CHART_PART_SERIES_BG);