Paul Vriens : msctf: Fix a possible NULL dereference (Coverity).

[Alexandre Julliard]

Module: wine
Branch: master
Commit: e42d7f95910d5d5322919baf29be8cacfd46a5bb
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=e42d7f95910d5d5322919baf29...

Author: Paul Vriens 
Date:   Fri Jun  5 09:20:27 2009 +0200

msctf: Fix a possible NULL dereference (Coverity).

---

dlls/msctf/range.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/dlls/msctf/range.c b/dlls/msctf/range.c
index 8b1f482..dc9eae1 100644
--- a/dlls/msctf/range.c
+++ b/dlls/msctf/range.c
@@ -349,11 +349,13 @@ HRESULT Range_Constructor(ITfContext *context, ITextStoreACP *textstore, DWORD l

HRESULT TF_SELECTION_to_TS_SELECTION_ACP(const TF_SELECTION *tf, TS_SELECTION_ACP *tsAcp)
 {
-    Range *This = (Range *)tf->range;
+    Range *This;

if (!tf || !tsAcp || !tf->range)
         return E_INVALIDARG;

+    This = (Range *)tf->range;
+
     tsAcp->acpStart = This->anchorStart;
     tsAcp->acpEnd = This->anchorEnd;
     tsAcp->style.ase = tf->style.ase;