Nikolay Sivov : dwrite: Fix potential null pointer dereference in GetInlineObject() (Coverity).

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 9351596538d012c6ed11c59576246f524f90aa3f
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=9351596538d012c6ed11c59576246f524f90aa3f

Author: Nikolay Sivov <nsivov at codeweavers.com>
Date:   Sun May 31 15:11:56 2015 +0300

dwrite: Fix potential null pointer dereference in GetInlineObject() (Coverity).

---

 dlls/dwrite/layout.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/dlls/dwrite/layout.c b/dlls/dwrite/layout.c
index cb191b0..365f0b2 100644
--- a/dlls/dwrite/layout.c
+++ b/dlls/dwrite/layout.c
@@ -2016,8 +2016,11 @@ static HRESULT WINAPI dwritetextlayout_GetInlineObject(IDWriteTextLayout2 *iface
 
     TRACE("(%p)->(%u %p %p)\n", This, position, object, r);
 
+    if (position >= This->len)
+        return S_OK;
+
     range = get_layout_range_by_pos(This, position);
-    *object = range ? range->object : NULL;
+    *object = range->object;
     if (*object)
         IDWriteInlineObject_AddRef(*object);