diff options
| -rw-r--r-- | rust/bindings/bindings_helper.h | 1 | ||||
| -rw-r--r-- | rust/kernel/device.rs | 7 |
2 files changed, 8 insertions, 0 deletions
diff --git a/rust/bindings/bindings_helper.h b/rust/bindings/bindings_helper.h index e9fdceb568b8..55354e4dec14 100644 --- a/rust/bindings/bindings_helper.h +++ b/rust/bindings/bindings_helper.h @@ -26,6 +26,7 @@ #include <linux/pid_namespace.h> #include <linux/platform_device.h> #include <linux/poll.h> +#include <linux/property.h> #include <linux/refcount.h> #include <linux/sched.h> #include <linux/security.h> diff --git a/rust/kernel/device.rs b/rust/kernel/device.rs index c926e0c2b852..eadc6160a4be 100644 --- a/rust/kernel/device.rs +++ b/rust/kernel/device.rs @@ -6,6 +6,7 @@ use crate::{ bindings, + str::CString, types::{ARef, Opaque}, }; use core::{fmt, ptr}; @@ -180,6 +181,12 @@ impl Device { ) }; } + + /// Checks if property is present or not. + pub fn property_present(&self, name: &CString) -> bool { + // SAFETY: By the invariant of `CString`, `name` is null-terminated. + unsafe { bindings::device_property_present(self.as_raw().cast_const(), name.as_ptr() as *const _) } + } } // SAFETY: Instances of `Device` are always reference-counted. |