Re: [PATCH net-next v4 6/6] net: phy: add Applied Micro QT2025 PHY driver

[Andrew Lunn <andrew@lunn.ch>]

> Then you get this error:
> 
>     error: unused `core::result::Result` that must be used
>       --> drivers/net/phy/qt2025.rs:88:9
>        |
>     88 |         dev.genphy_read_status::<C45>();
>        |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>        |
>        = note: this `Result` may be an `Err` variant, which should be handled
>        = note: `-D unused-must-use` implied by `-D warnings`
>        = help: to override `-D warnings` add `#[allow(unused_must_use)]`
>     help: use `let _ = ...` to ignore the resulting value
>        |
>     88 |         let _ = dev.genphy_read_status::<C45>();
>        |         +++++++

O.K, so the compiler tells you, which is great. The C compiler would
not, which is why i tend to think of these things.

	Andrew