Fix possible nullptr dereference

Master92 · Nov 12, 2024 · 71d3154 · 71d3154
1 parent 3f0057e
commit 71d3154
Showing 1 changed file with 6 additions and 2 deletions.
diff --git a/src/ui/page_playback.c b/src/ui/page_playback.c
@@ -104,8 +104,6 @@ static lv_obj_t *page_playback_create(lv_obj_t *parent, panel_arr_t *arr) {
 }
 
 static void show_pb_item(uint8_t pos, media_file_node_t *node) {
-    char fname[256];
-    const char * const label = node->label;
     if (pb_ui[pos].state == ITEM_STATE_INVISIBLE) {
         lv_obj_add_flag(pb_ui[pos]._img, LV_OBJ_FLAG_HIDDEN);
         lv_obj_add_flag(pb_ui[pos]._label, LV_OBJ_FLAG_HIDDEN);
@@ -114,6 +112,12 @@ static void show_pb_item(uint8_t pos, media_file_node_t *node) {
         return;
     }
 
+	if (node == NULL) {
+        return;
+    }
+
+    char fname[256];
+	const char * const label = node->label;
     lv_label_set_text(pb_ui[pos]._label, label);
     lv_obj_clear_flag(pb_ui[pos]._label, LV_OBJ_FLAG_HIDDEN);