diff options
Diffstat (limited to 'rust/kernel')
| -rw-r--r-- | rust/kernel/revocable.rs | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/rust/kernel/revocable.rs b/rust/kernel/revocable.rs index 971d0dc38d83..db4aa46bb121 100644 --- a/rust/kernel/revocable.rs +++ b/rust/kernel/revocable.rs @@ -139,6 +139,18 @@ impl<T> Revocable<T> { self.try_access().map(|t| f(&*t)) } + /// Directly access the revocable wrapped object. + /// + /// # Safety + /// + /// The caller must ensure this [`Revocable`] instance hasn't been revoked and won't be revoked + /// as long as the returned `&T` lives. + pub unsafe fn access(&self) -> &T { + // SAFETY: By the safety requirement of this function it is guaranteed that + // `self.data.get()` is a valid pointer to an instance of `T`. + unsafe { &*self.data.get() } + } + /// # Safety /// /// Callers must ensure that there are no more concurrent users of the revocable object. |