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-rw-r--r--rust/kernel/sync/lock/mutex.rs1
-rw-r--r--rust/kernel/sync/lock/spinlock.rs1
2 files changed, 2 insertions, 0 deletions
diff --git a/rust/kernel/sync/lock/mutex.rs b/rust/kernel/sync/lock/mutex.rs
index 923472f04af4..09276fedc091 100644
--- a/rust/kernel/sync/lock/mutex.rs
+++ b/rust/kernel/sync/lock/mutex.rs
@@ -63,6 +63,7 @@ macro_rules! new_mutex {
/// assert_eq!(e.c, 10);
/// assert_eq!(e.d.lock().a, 20);
/// assert_eq!(e.d.lock().b, 30);
+/// # Ok::<(), Error>(())
/// ```
///
/// The following example shows how to use interior mutability to modify the contents of a struct
diff --git a/rust/kernel/sync/lock/spinlock.rs b/rust/kernel/sync/lock/spinlock.rs
index 979b56464a4e..91eb2c9e9123 100644
--- a/rust/kernel/sync/lock/spinlock.rs
+++ b/rust/kernel/sync/lock/spinlock.rs
@@ -61,6 +61,7 @@ macro_rules! new_spinlock {
/// assert_eq!(e.c, 10);
/// assert_eq!(e.d.lock().a, 20);
/// assert_eq!(e.d.lock().b, 30);
+/// # Ok::<(), Error>(())
/// ```
///
/// The following example shows how to use interior mutability to modify the contents of a struct