diff options
Diffstat (limited to 'rust/kernel')
| -rw-r--r-- | rust/kernel/usb.rs | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/rust/kernel/usb.rs b/rust/kernel/usb.rs index 88721970afcb..6c917d8fa883 100644 --- a/rust/kernel/usb.rs +++ b/rust/kernel/usb.rs @@ -468,6 +468,10 @@ unsafe impl Send for Device {} // allow any mutation through a shared reference. unsafe impl Sync for Device {} +// SAFETY: Same as `Device<Normal>` -- the underlying `struct usb_device` is the same; +// `Bound` is a zero-sized type-state marker that does not affect thread safety. +unsafe impl Sync for Device<device::Bound> {} + /// Declares a kernel module that exposes a single USB driver. /// /// # Examples |