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rust: Update PCI binding safety comments and add inline compiler hint

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Update the safety comments to be consistent with other safety comments
in the PCI bindings. Also add an inline compiler hint.

Suggested-by: Danilo Krummrich <dakr@kernel.org>
Cc: Danilo Krummrich <dakr@kernel.org>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Krzysztof Wilczyński <kwilczynski@kernel.org>
Cc: Miguel Ojeda <ojeda@kernel.org>
Cc: Alex Gaynor <alex.gaynor@gmail.com>
Cc: Boqun Feng <boqun.feng@gmail.com>
Cc: Gary Guo <gary@garyguo.net>
Cc: Björn Roy Baron <bjorn3_gh@protonmail.com>
Cc: Benno Lossin <lossin@kernel.org>
Cc: Andreas Hindborg <a.hindborg@kernel.org>
Cc: Alice Ryhl <aliceryhl@google.com>
Cc: Trevor Gross <tmgross@umich.edu>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Rafael J. Wysocki <rafael@kernel.org>
Cc: John Hubbard <jhubbard@nvidia.com>
Cc: Alexandre Courbot <acourbot@nvidia.com>
Cc: linux-pci@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Alistair Popple <apopple@nvidia.com>
Link: https://lore.kernel.org/r/20250730013417.640593-1-apopple@nvidia.com
Signed-off-by: Danilo Krummrich <dakr@kernel.org>
This commit is contained in:
Alistair Popple 2025-07-30 11:34:16 +10:00 committed by Danilo Krummrich
parent b0d73ad126
commit cd58b0b11d
1 changed files with 6 additions and 2 deletions
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8
rust/kernel/pci.rs
View File

@ -388,14 +388,18 @@ impl<Ctx: device::DeviceContext> Device<Ctx> {
impl Device {
/// Returns the PCI vendor ID.
#[inline]
pub fn vendor_id(&self) -> u16 {
// SAFETY: `self.as_raw` is a valid pointer to a `struct pci_dev`.
// SAFETY: By its type invariant `self.as_raw` is always a valid pointer to a
// `struct pci_dev`.
unsafe { (*self.as_raw()).vendor }
}
/// Returns the PCI device ID.
#[inline]
pub fn device_id(&self) -> u16 {
// SAFETY: `self.as_raw` is a valid pointer to a `struct pci_dev`.
// SAFETY: By its type invariant `self.as_raw` is always a valid pointer to a
// `struct pci_dev`.
unsafe { (*self.as_raw()).device }
}