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linux-stable-mirror/rust/kernel/sync/lock
Ashutosh Desai 03e8578813 rust: sync: add #[must_use] to GlobalGuard and GlobalLock::try_lock
Guard is marked #[must_use] since dropping it releases the lock. GlobalGuard
wraps Guard with identical semantics but was missing the annotation, so
discarding it would silently compile without warning.

Similarly, GlobalLock::try_lock was missing #[must_use]. Option<T> does not
propagate #[must_use] from T, so the attribute needs to be on the function
directly - same reason Lock::try_lock has it.

Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Signed-off-by: Ashutosh Desai <ashutoshdesai993@gmail.com>
Reviewed-by: Gary Guo <gary@garyguo.net>
Link: https://patch.msgid.link/20260502160057.3402896-1-ashutoshdesai993@gmail.com
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
2026-06-04 22:22:33 +02:00
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