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Before Rust 1.29.0, Clippy introduced the `cast_lossless` lint [1]: > Rust's `as` keyword will perform many kinds of conversions, including > silently lossy conversions. Conversion functions such as `i32::from` > will only perform lossless conversions. Using the conversion functions > prevents conversions from becoming silently lossy if the input types > ever change, and makes it clear for people reading the code that the > conversion is lossless. While this does not eliminate unchecked `as` conversions, it makes such conversions easier to scrutinize. It also has the slight benefit of removing a degree of freedom on which to bikeshed. Thus apply the changes and enable the lint in the Binder Rust driver -- no functional change intended. Link: https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless [1] Reviewed-by: Alice Ryhl <aliceryhl@google.com> Assisted-by: Codex:gpt-5 Signed-off-by: Tamir Duberstein <tamird@kernel.org> Link: https://patch.msgid.link/20260526-binder-strict-provenance-v2-5-a41d89c29bc5@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>