Re: [PATCH] rust: miscdevice: fix warning on c_uint to u32 cast

[Alice Ryhl]

On Tue, Oct 15, 2024 at 7:08 PM Greg Kroah-Hartman
<gregkh@xxxxxxxxxxxxxxxxxxx> wrote:
>
> On Tue, Oct 15, 2024 at 02:13:22PM +0000, Alice Ryhl wrote:
> > When building miscdevice with clippy warnings, the following warning is
> > emitted:
> >
> >       warning: casting to the same type is unnecessary (`u32` -> `u32`)
> >          --> /home/aliceryhl/rust-for-linux/rust/kernel/miscdevice.rs:220:28
> >           |
> >       220 |     match T::ioctl(device, cmd as u32, arg as usize) {
> >           |                            ^^^^^^^^^^ help: try: `cmd`
> >           |
> >           = help: for further information visit
> >             https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
> >           = note: `-W clippy::unnecessary-cast` implied by `-W clippy::all`
> >           = help: to override `-W clippy::all` add `#[allow(clippy::unnecessary_cast)]`
> >
> > Thus, fix it.
> >
> > Signed-off-by: Alice Ryhl <aliceryhl@xxxxxxxxxx>
> > ---
> > This fixes a warning on my patches in char-misc-next. Greg, can you take
> > this through that tree?
>
> Will do, thanks!

Awesome, thanks!