linux-kernel - [PATCH] rust: Update PCI resource_start()/len() to return ResourceSize

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-next>] [day] [month] [year] [list]

Message-ID: <20250822041313.1410510-1-apopple@nvidia.com>
Date: Fri, 22 Aug 2025 14:13:13 +1000
From: Alistair Popple <apopple@...dia.com>
To: rust-for-linux@...r.kernel.org
Cc: Bjorn Helgaas <bhelgaas@...gle.com>,
	Krzysztof Wilczyński <kwilczynski@...nel.org>,
	John Hubbard <jhubbard@...dia.com>,
	Alexandre Courbot <acourbot@...dia.com>,
	linux-pci@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Alistair Popple <apopple@...dia.com>,
	Danilo Krummrich <dakr@...nel.org>
Subject: [PATCH] rust: Update PCI resource_start()/len() to return ResourceSize

It's nicer to return native Rust types rather than the FFI bindings to a
type so update the PCI resource bindings to return ResourceSize.

Signed-off-by: Alistair Popple <apopple@...dia.com>
Suggested-by: Danilo Krummrich <dakr@...nel.org>
---
 rust/kernel/pci.rs | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/rust/kernel/pci.rs b/rust/kernel/pci.rs
index cae4e274f7766..ef949ff10a10a 100644
--- a/rust/kernel/pci.rs
+++ b/rust/kernel/pci.rs
@@ -10,7 +10,7 @@
     devres::Devres,
     driver,
     error::{from_result, to_result, Result},
-    io::{Io, IoRaw},
+    io::{resource::ResourceSize, Io, IoRaw},
     irq::{self, IrqRequest},
     str::CStr,
     sync::aref::ARef,
@@ -437,7 +437,7 @@ pub fn subsystem_device_id(&self) -> u16 {
     }
 
     /// Returns the start of the given PCI bar resource.
-    pub fn resource_start(&self, bar: u32) -> Result<bindings::resource_size_t> {
+    pub fn resource_start(&self, bar: u32) -> Result<ResourceSize> {
         if !Bar::index_is_valid(bar) {
             return Err(EINVAL);
         }
@@ -449,7 +449,7 @@ pub fn resource_start(&self, bar: u32) -> Result<bindings::resource_size_t> {
     }
 
     /// Returns the size of the given PCI bar resource.
-    pub fn resource_len(&self, bar: u32) -> Result<bindings::resource_size_t> {
+    pub fn resource_len(&self, bar: u32) -> Result<ResourceSize> {
         if !Bar::index_is_valid(bar) {
             return Err(EINVAL);
         }
-- 
2.47.2