linux-kernel - Re: [PATCH] rust_binder: Fix build failure if !CONFIG

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Message-ID: <aTodrqABDzBQXUXD@google.com>
Date: Thu, 11 Dec 2025 01:26:06 +0000
From: Alice Ryhl <aliceryhl@...gle.com>
To: Xi Ruoyao <xry111@...111.site>
Cc: Huacai Chen <chenhuacai@...nel.org>, WANG Xuerui <kernel@...0n.name>, 
	Mingcong Bai <jeffbai@...c.io>, loongarch@...ts.linux.dev, hev <r@....cc>, 
	Miguel Ojeda <miguel.ojeda.sandonis@...il.com>, 
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>, 
	"Arve Hjønnevåg" <arve@...roid.com>, Todd Kjos <tkjos@...roid.com>, 
	Christian Brauner <brauner@...nel.org>, Carlos Llamas <cmllamas@...gle.com>, 
	Wedson Almeida Filho <wedsonaf@...il.com>, 
	"open list:ANDROID DRIVERS" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] rust_binder: Fix build failure if !CONFIG_COMPAT

On Tue, Dec 09, 2025 at 08:50:19PM +0800, Xi Ruoyao wrote:
> The bindgen utility cannot handle "#define compat_ptr_ioctl NULL" in the
> C header, so we need to handle this case on our own.
> 
> Simply skip this field in the initializer when !CONFIG_COMPAT as the
> SAFETY comment above this initializer implies this is allowed.
> 
> Reported-by: Miguel Ojeda <miguel.ojeda.sandonis@...il.com>
> Closes: https://lore.kernel.org/all/CANiq72mrVzqXnAV=Hy2XBOonLHA6YQgH-ckZoc_h0VBvTGK8rA@mail.gmail.com/
> Signed-off-by: Xi Ruoyao <xry111@...111.site>

Reviewed-by: Alice Ryhl <aliceryhl@...gle.com>

Thanks!