From: taeyoon0.lee <taeyoon0.lee@samsung.com>
Date: Wed, 22 Mar 2017 13:30:02 +0000 (+0900)
Subject: Fix crash by NULL remote surface
X-Git-Tag: accepted/tizen/4.0/unified/20170920.081503~1^2~5
X-Git-Url: http://review.tizen.org/git/?p=platform%2Fcore%2Fuifw%2Fwidget-viewer-dali.git;a=commitdiff_plain;h=83a51b89cb51a0e1c56972647d7280aae05d8400

Fix crash by NULL remote surface

 - Fix crash by untialized remoteSurface member when widget viewer is terminated.

Change-Id: I2ecb5295919b8cff5d9927c1beb6831d74af902e
---

diff --git a/internal/widget_view/widget_view_impl.cpp b/internal/widget_view/widget_view_impl.cpp
index 81cfea4..166da2d 100644
--- a/internal/widget_view/widget_view_impl.cpp
+++ b/internal/widget_view/widget_view_impl.cpp
@@ -105,6 +105,7 @@ DALI_ACTION_REGISTRATION( Dali::WidgetView, WidgetView, "activateFaultedWidget",
 DALI_TYPE_REGISTRATION_END()
 
 struct wl_buffer* preBuffer;
+struct tizen_remote_surface* remoteSurface;
 
 const char* const STATE_TEXT( "stateText" );
 const char* const FONT_STYLE( "fontStyle" );
@@ -141,6 +142,7 @@ static void OnBufferUpdated( struct tizen_remote_surface *surface, uint32_t type
     wl_buffer_destroy( preBuffer );
   }
 
+  remoteSurface = surface;
   preBuffer = buffer;
 
   close( img_file_fd );
@@ -1069,9 +1071,9 @@ void WidgetView::CloseRemoteSurface()
 {
   if( mWatcherHandle != NULL )
   {
-    if( preBuffer != NULL && tizen_remote_surface_get_version( mRemoteSurface ) >= TIZEN_REMOTE_SURFACE_RELEASE_SINCE_VERSION )
+    if( remoteSurface != NULL && preBuffer != NULL && tizen_remote_surface_get_version( remoteSurface ) >= TIZEN_REMOTE_SURFACE_RELEASE_SINCE_VERSION )
     {
-      tizen_remote_surface_release( mRemoteSurface, preBuffer );
+      tizen_remote_surface_release( remoteSurface, preBuffer );
       tbm_surface_h preTbmSurface = (tbm_surface_h)wl_buffer_get_user_data( preBuffer );
       tbm_surface_internal_unref( preTbmSurface );
       wl_buffer_destroy( preBuffer );