[SETUPAPI] GetDeviceInstanceKeyPath: Create a new driver instance property if needed and SEH-protect calls to umpnpmgr.

dll/win32/setupapi/cfgmgr.c

@@ -239,6 +239,9 @@ GetDeviceInstanceKeyPath(
 
         ulTransferLength = 300 * sizeof(WCHAR);
         ulLength = 300 * sizeof(WCHAR);
+
+        RpcTryExcept
+        {
             ret = PNP_GetDeviceRegProp(BindingHandle,
                                        pszDeviceInst,
                                        CM_DRP_DRIVER,
@@ -247,11 +250,33 @@ GetDeviceInstanceKeyPath(
                                        &ulTransferLength,
                                        &ulLength,
                                        0);
+        }
+        RpcExcept(EXCEPTION_EXECUTE_HANDLER)
+        {
+            ret = RpcStatusToCmStatus(RpcExceptionCode());
+        }
+        RpcEndExcept;
+
+        if (ret != CR_SUCCESS)
+        {
+            RpcTryExcept
+            {
+                ret = PNP_GetClassInstance(BindingHandle,
+                                           pszDeviceInst,
+                                           (PVOID)pszBuffer,
+                                           300);
+            }
+            RpcExcept(EXCEPTION_EXECUTE_HANDLER)
+            {
+                ret = RpcStatusToCmStatus(RpcExceptionCode());
+            }
+            RpcEndExcept;
+
             if (ret != CR_SUCCESS)
             {
-            ERR("PNP_GetDeviceRegProp() failed (Error %lu)\n", ret);
                 goto done;
             }
+        }
 
         TRACE("szBuffer: %S\n", pszBuffer);
 
@@ -809,7 +834,8 @@ CM_Add_Empty_Log_Conf(
  * CM_Add_Empty_Log_Conf_Ex [SETUPAPI.@]
  */
 CONFIGRET
-WINAPI CM_Add_Empty_Log_Conf_Ex(
+WINAPI
+CM_Add_Empty_Log_Conf_Ex(
     _Out_ PLOG_CONF plcLogConf,
     _In_ DEVINST dnDevInst,
     _In_ PRIORITY Priority,