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Diffstat (limited to 'rust/kernel/revocable.rs')
| -rw-r--r-- | rust/kernel/revocable.rs | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/rust/kernel/revocable.rs b/rust/kernel/revocable.rs index 46768b374656..0f4ae673256d 100644 --- a/rust/kernel/revocable.rs +++ b/rust/kernel/revocable.rs @@ -233,6 +233,10 @@ impl<T> PinnedDrop for Revocable<T> { /// /// The RCU read-side lock is held while the guard is alive. pub struct RevocableGuard<'a, T> { + // This can't use the `&'a T` type because references that appear in function arguments must + // not become dangling during the execution of the function, which can happen if the + // `RevocableGuard` is passed as a function argument and then dropped during execution of the + // function. data_ref: *const T, _rcu_guard: rcu::Guard, _p: PhantomData<&'a ()>, |