linux-kernel - [PATCH v2 4/6] rust: auxiliary: Support accessing raw aux pointer

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20260203-qcom-socinfo-v2-4-d6719db85637@google.com>
Date: Tue, 03 Feb 2026 15:46:33 +0000
From: Matthew Maurer <mmaurer@...gle.com>
To: Bjorn Andersson <andersson@...nel.org>, Konrad Dybcio <konradybcio@...nel.org>, 
	Satya Durga Srinivasu Prabhala <satyap@...cinc.com>, Miguel Ojeda <ojeda@...nel.org>, Boqun Feng <boqun.feng@...il.com>, 
	Gary Guo <gary@...yguo.net>, 
	"Björn Roy Baron" <bjorn3_gh@...tonmail.com>, Benno Lossin <lossin@...nel.org>, 
	Andreas Hindborg <a.hindborg@...nel.org>, Alice Ryhl <aliceryhl@...gle.com>, 
	Trevor Gross <tmgross@...ch.edu>, Danilo Krummrich <dakr@...nel.org>, 
	Daniel Almeida <daniel.almeida@...labora.com>, 
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>, "Rafael J. Wysocki" <rafael@...nel.org>, 
	David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>, 
	Michal Wilczynski <m.wilczynski@...sung.com>, Dave Ertman <david.m.ertman@...el.com>, 
	Ira Weiny <ira.weiny@...el.com>, Leon Romanovsky <leon@...nel.org>
Cc: Trilok Soni <tsoni@...cinc.com>, linux-kernel@...r.kernel.org, 
	linux-arm-msm@...r.kernel.org, rust-for-linux@...r.kernel.org, 
	driver-core@...ts.linux.dev, dri-devel@...ts.freedesktop.org, 
	linux-pwm@...r.kernel.org, Matthew Maurer <mmaurer@...gle.com>
Subject: [PATCH v2 4/6] rust: auxiliary: Support accessing raw aux pointer

While it's preferable to add bindings in the kernel crate rather than
using raw pointers where possible, access to the raw aux pointer is
required to pass it to C interfaces provided by a driver.

Signed-off-by: Matthew Maurer <mmaurer@...gle.com>
---
 rust/kernel/auxiliary.rs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/rust/kernel/auxiliary.rs b/rust/kernel/auxiliary.rs
index 93c0db1f66555c97ec7dc58825e97c47c0154e54..1a88277f0fd9ea5ff32cc534dfe5682009de94c2 100644
--- a/rust/kernel/auxiliary.rs
+++ b/rust/kernel/auxiliary.rs
@@ -237,7 +237,11 @@ pub struct Device<Ctx: device::DeviceContext = device::Normal>(
 );
 
 impl<Ctx: device::DeviceContext> Device<Ctx> {
-    fn as_raw(&self) -> *mut bindings::auxiliary_device {
+    /// Returns the underlying auxiliary device
+    ///
+    /// Prefer to add bindings in the kernel crate for any use other than calling driver-specific
+    /// functions.
+    pub fn as_raw(&self) -> *mut bindings::auxiliary_device {
         self.0.get()
     }
 

-- 
2.53.0.rc2.204.g2597b5adb4-goog