rust: device: narrow the generic of drvdata_obtain()

Let T be the actual private driver data type without the surrounding
box, as it leaves less room for potential bugs.

Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Danilo Krummrich <dakr@kernel.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/rust/kernel/auxiliary.rs b/rust/kernel/auxiliary.rs
index e12f78734606..a6a2b23befce 100644
--- a/rust/kernel/auxiliary.rs
+++ b/rust/kernel/auxiliary.rs
@@ -85,7 +85,7 @@ impl<T: Driver + 'static> Adapter<T> {
         // SAFETY: `remove_callback` is only ever called after a successful call to
         // `probe_callback`, hence it's guaranteed that `Device::set_drvdata()` has been called
         // and stored a `Pin<KBox<T>>`.
-        drop(unsafe { adev.as_ref().drvdata_obtain::<Pin<KBox<T>>>() });
+        drop(unsafe { adev.as_ref().drvdata_obtain::<T>() });
     }
 }