add null checking

Change-Id: If1c035e0612dd0a48e313ce865eedf5422ec8854

diff --git a/src/e_devicemgr_viewport.c b/src/e_devicemgr_viewport.c
index 0a502056766346fd13edc94a4090d319cf9a14e3..20ebc191a1c8829fed1aba24f57aefc6d3f835b7 100644 (file)
--- a/src/e_devicemgr_viewport.c
+++ b/src/e_devicemgr_viewport.c
@@ -760,6 +760,9 @@ _destination_mode_calculate_destination(E_Viewport *viewport, Eina_Rectangle *re
    if (!viewport->epc)
      {
         E_Zone *zone = e_comp_zone_xy_get(ec->x, ec->y);
+
+        EINA_SAFETY_ON_FALSE_RETURN_VAL(zone != NULL, EINA_FALSE);
+
         pw = zone->w;
         ph = zone->h;
      }
@@ -1023,8 +1026,7 @@ _e_devicemgr_viewport_apply_destination(E_Viewport *viewport, Eina_Rectangle *rr
      {
         E_Zone *zone = e_comp_zone_xy_get(ec->x, ec->y);
 
-        if (zone == NULL)
-          return EINA_FALSE;
+        EINA_SAFETY_ON_FALSE_RETURN_VAL(zone != NULL, EINA_FALSE);
 
         prect.x = prect.y = 0;
         prect.w = zone->w;