From d35ae50c5f48dfcd33cb24bf477ce912fa0af1f7 Mon Sep 17 00:00:00 2001 From: Timur Tabi Date: Thu, 19 Mar 2026 16:26:53 -0500 Subject: rust: device: add device name method Add a name() method to the `Device` type, which returns a CStr that contains the device name. Signed-off-by: Timur Tabi Reviewed-by: Alice Ryhl Reviewed-by: Alexandre Courbot Reviewed-by: Gary Guo Tested-by: John Hubbard Tested-by: Eliot Courtney Link: https://patch.msgid.link/20260319212658.2541610-2-ttabi@nvidia.com Signed-off-by: Danilo Krummrich --- rust/kernel/device.rs | 11 +++++++++++ 1 file changed, 11 insertions(+) (limited to 'rust/kernel') diff --git a/rust/kernel/device.rs b/rust/kernel/device.rs index 379058eca2ed..6d5396a43ebe 100644 --- a/rust/kernel/device.rs +++ b/rust/kernel/device.rs @@ -489,6 +489,17 @@ impl Device { // defined as a `#[repr(transparent)]` wrapper around `fwnode_handle`. Some(unsafe { &*fwnode_handle.cast() }) } + + /// Returns the name of the device. + /// + /// This is the kobject name of the device, or its initial name if the kobject is not yet + /// available. + #[inline] + pub fn name(&self) -> &CStr { + // SAFETY: By its type invariant `self.as_raw()` is a valid pointer to a `struct device`. + // The returned string is valid for the lifetime of the device. + unsafe { CStr::from_char_ptr(bindings::dev_name(self.as_raw())) } + } } // SAFETY: `Device` is a transparent wrapper of a type that doesn't depend on `Device`'s generic -- cgit v1.2.3