efl_ui_list_view: Handling failed memory allocation

Summary: Add a logic for handling failed memory allocation to prevent null pointer exception

Test Plan: Run unit test cases

Reviewers: eagleeye, Jaehyun_Cho, Hermet, zmike, SanghyeonLee

Reviewed By: SanghyeonLee

Subscribers: SanghyeonLee, cedric, #committers, #reviewers

Tags: #efl

Differential Revision: https://phab.enlightenment.org/D7829

2 files changed, 4 insertions, 0 deletions

diff --git a/src/lib/elementary/efl_ui_list_view_precise_layouter.c b/src/lib/elementary/efl_ui_list_view_precise_layouter.c
index 5ed34573f4..488d4deeec 100644
--- a/src/lib/elementary/efl_ui_list_view_precise_layouter.c
+++ b/src/lib/elementary/efl_ui_list_view_precise_layouter.c
@@ -567,6 +567,7 @@ _efl_ui_list_view_precise_layouter_efl_ui_list_view_relayout_content_created(Eo
      }
 
    cb_data = calloc(1, sizeof(Efl_Ui_List_View_Precise_Layouter_Callback_Data));
+   if (!cb_data) return;
    cb_data->pd = pd;
    cb_data->item = item;
    evas_object_event_callback_add(item->layout, EVAS_CALLBACK_CHANGED_SIZE_HINTS, _on_item_size_hint_change, cb_data);
diff --git a/src/lib/elementary/efl_ui_list_view_seg_array.c b/src/lib/elementary/efl_ui_list_view_seg_array.c
index 8bf39e91dd..89dba53011 100644
--- a/src/lib/elementary/efl_ui_list_view_seg_array.c
+++ b/src/lib/elementary/efl_ui_list_view_seg_array.c
@@ -77,6 +77,7 @@ _alloc_node(Efl_Ui_List_View_Seg_Array* pd, int first)
 {
    Efl_Ui_List_View_Seg_Array_Node* node;
    node = calloc(1, sizeof(Efl_Ui_List_View_Seg_Array_Node) + pd->step_size*sizeof(Efl_Ui_List_View_Layout_Item*));
+   if (!node) return NULL;
    node->first = first;
    node->max = pd->step_size;
    pd->root = (void*)eina_rbtree_inline_insert(EINA_RBTREE_GET(pd->root), EINA_RBTREE_GET(node),
@@ -89,6 +90,7 @@ static Efl_Ui_List_View_Layout_Item*
 _create_item_partial(Efl_Model* model)
 {
    Efl_Ui_List_View_Layout_Item* item = calloc(1, sizeof(Efl_Ui_List_View_Layout_Item));
+   if (!item) return NULL;
    item->children = efl_ref(model);
    return item;
 }
@@ -334,6 +336,7 @@ Efl_Ui_List_View_Seg_Array *
 efl_ui_list_view_seg_array_setup(int size)
 {
    Efl_Ui_List_View_Seg_Array *pd = calloc(1, sizeof(Efl_Ui_List_View_Seg_Array));
+   if (!pd) return NULL;
    pd->step_size = size;
 
    return pd;