Re: [PATCH 1/3] rust: sync: return `Result<&T, T>` from `SetOnce::populate()`

On Wed Jul 22, 2026 at 6:16 PM JST, Alice Ryhl wrote:
> When `populate()` succeeds, there's no way infallible way to get the
> value that was just inserted. By returning &T in this case, such
> infallible access methods become possible.
>
> Additionally, when `populate()` fails, the provided value is dropped.
> This has two disadvantages:
>
> 1. If the caller holds a lock, the value is dropped under said lock.
> 2. If the caller wishes to use the same value for something else, they
>    can't, because it's lost.
>
> Changing the return value to Result<&T, T> handles all of these cases.
>
> Rust Binder is updated to avoid a warning about an unused Result.

Does the GEM shmem module also need to be updated for the same reason?