rust: devres: use `cast_pin_init` instead of manual reimplementation

Remove the manual type-casting which is already available as
`cast_pin_init`.

Signed-off-by: Gary Guo <gary@garyguo.net>
Link: https://patch.msgid.link/20260722-merge-init-v1-2-d4594de76538@garyguo.net
Signed-off-by: Danilo Krummrich <dakr@kernel.org>

1 files changed, 1 insertions, 5 deletions

diff --git a/rust/kernel/devres.rs b/rust/kernel/devres.rs
index ebb5c19e851e..aecc8906de2c 100644
--- a/rust/kernel/devres.rs
+++ b/rust/kernel/devres.rs
@@ -435,11 +435,7 @@ where
         // SAFETY: The caller guarantees the data is valid for the device's full bound scope.
         // Lifetimes do not affect layout, so F::Of<'a> and F::Of<'static> have identical
         // representation; casting the slot pointer is sound.
-        let data = unsafe {
-            pin_init::pin_init_from_closure::<F::Of<'static>, E>(move |slot| {
-                data.__pinned_init(slot.cast())
-            })
-        };
+        let data = unsafe { pin_init::cast_pin_init(data) };
 
         Ok(Self(Devres::new(dev, data)?))
     }