James Hawkins : msi: Only copy the resulting string if the RegistryValue call succeeded.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 1fed032a43a23df80de7da6f7dbf23b4ed2a020f
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=1fed032a43a23df80de7da6f7d...

Author: James Hawkins 
Date:   Tue Jul  8 23:56:26 2008 -0500

msi: Only copy the resulting string if the RegistryValue call succeeded.

---

dlls/msi/tests/automation.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/dlls/msi/tests/automation.c b/dlls/msi/tests/automation.c
index 03154e1..2c741e8 100644
--- a/dlls/msi/tests/automation.c
+++ b/dlls/msi/tests/automation.c
@@ -804,7 +804,7 @@ static HRESULT Installer_RegistryValueI(HKEY hkey, LPCWSTR szKey, int iValue, LP
     V_I4(&vararg) = iValue;

hr = Installer_RegistryValue(hkey, szKey, vararg, &varresult, vtResult);
-    if (vtResult == VT_BSTR) lstrcpyW(szString, V_BSTR(&varresult));
+    if (SUCCEEDED(hr) && vtResult == VT_BSTR) lstrcpyW(szString, V_BSTR(&varresult));
     VariantClear(&varresult);
     return hr;
 }