From: Sameeh Jubran <sjub...@redhat.com>
We can get VSS_E_PROVIDER_ALREADY_REGISTERED error if for some
reason the uninstall of qemu-ga didn't complete successfully.
In this case we can try to unregister the component service
and attempt to register it again.
Signed-off-by: Sameeh Jubran <sjub...@redhat.com>
---
qga/vss-win32/install.cpp | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/qga/vss-win32/install.cpp b/qga/vss-win32/install.cpp
index 51838eeb26..e7bc5e1d9d 100644
--- a/qga/vss-win32/install.cpp
+++ b/qga/vss-win32/install.cpp
@@ -443,6 +443,15 @@ STDAPI DllRegisterServer(void)
VSS_PROV_SOFTWARE,
const_cast<WCHAR*>(QGA_PROVIDER_VERSION),
g_gProviderVersion);
+ if (hr == (long int) VSS_E_PROVIDER_ALREADY_REGISTERED) {
+ DllUnregisterServer();
+ hr = pVssAdmin->RegisterProvider(g_gProviderId, CLSID_QGAVSSProvider,
+ const_cast<WCHAR * >(QGA_PROVIDER_LNAME),
+ VSS_PROV_SOFTWARE,
+ const_cast<WCHAR *
>(QGA_PROVIDER_VERSION),
+ g_gProviderVersion);
+ }
+
if (FAILED(hr)) {
errmsg_dialog(hr, "RegisterProvider failed");
}
--
2.13.6
