Re: [PATCH 0/1] MR7719: joy.cpl: Set devnotify to NULL after it got unregistered (ASan).

[Rémi Bernon]

Rémi Bernon (@rbernon) commented about dlls/joy.cpl/dinput.c:
> case PSN_RESET:
>          case PSN_KILLACTIVE:
>              UnregisterDeviceNotification( devnotify );
> +            devnotify = NULL;

```suggestion:-1+0
            if (!devnotify) break;
            UnregisterDeviceNotification( devnotify );
            devnotify = NULL;
```

If we're going through this multiple times I think the other statements below will also have problems (closing handles twice, etc).

-- 
https://gitlab.winehq.org/wine/wine/-/merge_requests/7719#note_99647