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From: Andrew Lunn <andrew@lunn.ch>
To: Thorsten Blum <thorsten.blum@linux.dev>
Cc: "FUJITA Tomonori" <fujita.tomonori@gmail.com>,
	"Trevor Gross" <tmgross@umich.edu>,
	"Heiner Kallweit" <hkallweit1@gmail.com>,
	"Russell King" <linux@armlinux.org.uk>,
	"David S. Miller" <davem@davemloft.net>,
	"Eric Dumazet" <edumazet@google.com>,
	"Jakub Kicinski" <kuba@kernel.org>,
	"Paolo Abeni" <pabeni@redhat.com>,
	"Miguel Ojeda" <ojeda@kernel.org>,
	"Alex Gaynor" <alex.gaynor@gmail.com>,
	"Boqun Feng" <boqun.feng@gmail.com>,
	"Gary Guo" <gary@garyguo.net>,
	"Björn Roy Baron" <bjorn3_gh@protonmail.com>,
	"Benno Lossin" <lossin@kernel.org>,
	"Andreas Hindborg" <a.hindborg@kernel.org>,
	"Alice Ryhl" <aliceryhl@google.com>,
	"Danilo Krummrich" <dakr@kernel.org>,
	netdev@vger.kernel.org, rust-for-linux@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH net-next] rust: net::phy inline if expressions to improve read_status
Date: Fri, 19 Sep 2025 17:16:17 +0200	[thread overview]
Message-ID: <43490b38-5d8c-4dfc-a37a-8f34f99e2d3c@lunn.ch> (raw)
In-Reply-To: <A17B492B-0EAD-4CCE-9889-6D559401D3D3@linux.dev>

> There's obviously nothing wrong with local variables. This patch is not
> about performance improvements, but writing consistent and idiomatic
> Rust code.
> 
> Currently, dev.set_duplex() uses a local variable and is called once,
> whereas dev.set_speed() doesn't use a local variable and is called
> twice.

I would suggest the opposite change if you want to make the code
consistent:

	let speed = if ret & BMCR_SPEED100 != 0 {
		uapi::SPEED_100
	} else {
		uapi::SPEED_10
	}
	dev.set_speed(speed)

	Andrew

      reply	other threads:[~2025-09-19 15:17 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-09-19 11:20 [PATCH net-next] rust: net::phy inline if expressions to improve read_status Thorsten Blum
2025-09-19 12:54 ` Andrew Lunn
2025-09-19 13:30   ` Thorsten Blum
2025-09-19 15:16     ` Andrew Lunn [this message]

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