elm_gesture_layer: add null checking after memory allocation

Change-Id: Ib504732e21203c414bb1e58936788e84da23cba9
origin: upstream (41ea255002d93d285da331e2452488c8f6088f1f)

diff --git a/src/lib/elm_gesture_layer.c b/src/lib/elm_gesture_layer.c
index 476e682..972fd4e 100644 (file)
--- a/src/lib/elm_gesture_layer.c
+++ b/src/lib/elm_gesture_layer.c
@@ -838,6 +838,8 @@ _event_history_add(Evas_Object *obj,
    ELM_GESTURE_LAYER_DATA_GET(obj, sd);
 
    ev = malloc(sizeof(Event_History));
+   if (!ev) return EINA_FALSE;
+
    ev->event = _event_info_copy(event, event_type);  /* Freed on
                                                       * _event_history_clear */
    ev->event_type = event_type;
@@ -1851,6 +1853,8 @@ _tap_gesture_test(Evas_Object *obj,
    if (!st) /* Allocated once on first time */
      {
         st = calloc(1, sizeof(Taps_Type));
+        if (!st) return;
+
         gesture->data = st;
         _tap_gestures_test_reset(gesture);
      }
@@ -2097,6 +2101,8 @@ _n_long_tap_test(Evas_Object *obj,
    if (!st) /* Allocated once on first time */
      {
         st = calloc(1, sizeof(Long_Tap_Type));
+        if (!st) return;
+
         gesture->data = st;
         _n_long_tap_test_reset(gesture);
      }
@@ -2395,6 +2401,8 @@ _momentum_test(Evas_Object *obj,
    if (!st) /* Allocated once on first time */
      {
         st = calloc(1, sizeof(Momentum_Type));
+        if (!st) return;
+
         gesture->data = st;
         _momentum_test_reset(gesture);
      }
@@ -2680,6 +2688,8 @@ _n_line_test(Evas_Object *obj,
    if (!st)
      {
         st = calloc(1, sizeof(Line_Type));
+        if (!st) return;
+
         gesture->data = st;
      }
 
@@ -3200,6 +3210,8 @@ _zoom_with_wheel_test(Evas_Object *obj,
    if (!st) /* Allocated once on first time, used for zoom intermediate data */
      {
         st = calloc(1, sizeof(Zoom_Type));
+        if (!st) return;
+
         gesture_zoom->data = st;
         _zoom_test_reset(gesture_zoom);
      }
@@ -3344,6 +3356,8 @@ _zoom_test(Evas_Object *obj,
    if (!st) /* Allocated once on first time, used for zoom data */
      {
         st = calloc(1, sizeof(Zoom_Type));
+        if (!st) return;
+
         gesture_zoom->data = st;
         _zoom_test_reset(gesture_zoom);
      }
@@ -3591,6 +3605,8 @@ _rotate_test(Evas_Object *obj,
    if (!st) /* Allocated once on first time */
      {
        st = calloc(1, sizeof(Rotate_Type));
+       if (!st) return;
+
        gesture->data = st;
        _rotate_test_reset(gesture);
      }