Re: [PATCH v6 0/5] MR8061: win32u: Read window dpi_context from the shared memory.

[Jacek Caban (＠jacek)]

Jacek Caban (@jacek) commented about dlls/win32u/window.c:
> }
>
> +static NTSTATUS get_shared_window( HANDLE handle, struct object_lock *lock, const window_shm_t **window_shm )
> +{
> - const shared_object_t *object;
> - struct user_entry entry;
> -
> - TRACE( "handle %p, lock %p, window_shm %p\n", handle, lock, window_shm );
> -
> - if (!get_user_entry( handle, NTUSER_OBJ_WINDOW, &entry, &handle )) return STATUS_INVALID_HANDLE;
> - if (lock->id) object = CONTAINING_RECORD( *window_shm, shared_object_t, shm.window );
> - else
> - {
> -
>    object = find_shared_session_object( entry.id, entry.offset );
> -
>    if (!object) return STATUS_INVALID_HANDLE;
> -
>    memset( lock, 0, sizeof(*lock) );

What's the reason for this `memset`?