--- src-cairo-win32-surface.c.orig	2006-11-06 15:55:18.562500000 +0800
+++ src-cairo-win32-surface.c	2006-11-06 15:48:09.046875000 +0800
@@ -392,20 +392,24 @@ _cairo_win32_surface_create_similar_inte
 	HDC ddb_dc = CreateCompatibleDC (src->dc);
 	HRGN crgn = CreateRectRgn (0, 0, width, height);
 	HBITMAP saved_dc_bitmap;
 
 	saved_dc_bitmap = SelectObject (ddb_dc, ddb);
 	SelectClipRgn (ddb_dc, crgn);
 
 	DeleteObject (crgn);
 
 	new_surf = (cairo_win32_surface_t*) cairo_win32_surface_create (ddb_dc);
+	if (new_surf == NULL) {
+	    _cairo_error (CAIRO_STATUS_NO_MEMORY);
+	    return NIL_SURFACE;
+	}
 	new_surf->bitmap = ddb;
 	new_surf->saved_dc_bitmap = saved_dc_bitmap;
 	new_surf->is_dib = FALSE;
     }
 
     return (cairo_surface_t*) new_surf;
 }
 
 static cairo_surface_t *
 _cairo_win32_surface_create_similar (void	    *abstract_src,