rpcss: When registering a moniker that is already registered in the ROT another…

dlls/ole32/tests/moniker.c

@@ -690,7 +690,6 @@ static void test_ROT_multiple_entries(void)
     hr = IRunningObjectTable_Register(pROT, 0, (IUnknown *)&Test_ClassFactory, pMoniker, &dwCookie2);
     ok(hr == MK_S_MONIKERALREADYREGISTERED, "IRunningObjectTable_Register should have returned MK_S_MONIKERALREADYREGISTERED instead of 0x%08x\n", hr);
 
-    todo_wine
     ok(dwCookie1 != dwCookie2, "cookie returned for registering duplicate object shouldn't match cookie of original object (0x%x)\n", dwCookie1);
 
     hr = IRunningObjectTable_GetObject(pROT, pMoniker, &pObject);

programs/rpcss/irotp.c

@@ -137,24 +137,14 @@ HRESULT IrotRegister(
         }
     }
 
-    if (hr == S_OK)
-    {
-        list_add_tail(&RunningObjectTable, &rot_entry->entry);
-        /* gives a registration identifier to the registered object*/
-        *cookie = rot_entry->cookie = InterlockedIncrement(&last_cookie);
-        *ctxt_handle = rot_entry;
-    }
-    else
-    {
-        rot_entry_release(rot_entry);
-        *cookie = existing_rot_entry->cookie;
-        InterlockedIncrement(&existing_rot_entry->refs);
-        *ctxt_handle = existing_rot_entry;
-    }
-
+    list_add_tail(&RunningObjectTable, &rot_entry->entry);
 
     LeaveCriticalSection(&csRunningObjectTable);
 
+    /* gives a registration identifier to the registered object*/
+    *cookie = rot_entry->cookie = InterlockedIncrement(&last_cookie);
+    *ctxt_handle = rot_entry;
+
     return hr;
 }