diff options
Diffstat (limited to 'rust/kernel/miscdevice.rs')
| -rw-r--r-- | rust/kernel/miscdevice.rs | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/rust/kernel/miscdevice.rs b/rust/kernel/miscdevice.rs index 15d10e5c1db7d..188ae10d33196 100644 --- a/rust/kernel/miscdevice.rs +++ b/rust/kernel/miscdevice.rs @@ -44,7 +44,13 @@ impl MiscDeviceOptions { /// /// # Invariants /// -/// `inner` is a registered misc device. +/// - `inner` contains a `struct miscdevice` that is registered using +/// `misc_register()`. +/// - This registration remains valid for the entire lifetime of the +/// [`MiscDeviceRegistration`] instance. +/// - Deregistration occurs exactly once in [`Drop`] via `misc_deregister()`. +/// - `inner` wraps a valid, pinned `miscdevice` created using +/// [`MiscDeviceOptions::into_raw`]. #[repr(transparent)] #[pin_data(PinnedDrop)] pub struct MiscDeviceRegistration<T> { |