Kai Blin : comdlg32: Avoid possible NULL pointer dereference (Coverity).

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 4ff3d9954eb55369ea4439ee4c56fb8ff93549b1
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=4ff3d9954eb55369ea4439ee4c56fb8ff93549b1

Author: Kai Blin <kai.blin at gmail.com>
Date:   Tue Oct 14 12:56:16 2008 +0200

comdlg32: Avoid possible NULL pointer dereference (Coverity).

---

 dlls/comdlg32/filedlg31.c |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/dlls/comdlg32/filedlg31.c b/dlls/comdlg32/filedlg31.c
index c8fcf7e..30409af 100644
--- a/dlls/comdlg32/filedlg31.c
+++ b/dlls/comdlg32/filedlg31.c
@@ -312,8 +312,10 @@ static void FD31_UpdateResult(const FD31_DATA *lfs, const WCHAR *tmpstr)
     if (lenstr2 > 3)
         tmpstr2[lenstr2++]='\\';
     lstrcpynW(tmpstr2+lenstr2, tmpstr, BUFFILE-lenstr2);
-    if (ofnW->lpstrFile)
-        lstrcpynW(ofnW->lpstrFile, tmpstr2, ofnW->nMaxFile);
+    if (!ofnW->lpstrFile)
+        return;
+
+    lstrcpynW(ofnW->lpstrFile, tmpstr2, ofnW->nMaxFile);
 
     /* set filename offset */
     p = PathFindFileNameW(ofnW->lpstrFile);