Use Box::leak to get pointer to data.

wedsonaf · wedsonaf · commit 9b8feeb14eab · 2021-03-30T23:49:14.000+01:00
diff --git a/rust/kernel/sync/arc.rs b/rust/kernel/sync/arc.rs
@@ -51,8 +51,7 @@ impl<T: RefCounted> Ref<T> {
     pub fn try_new(contents: T) -> KernelResult<Self> {
         let boxed = Box::try_new(contents)?;
         boxed.get_count().count.store(1, Ordering::Relaxed);
-        let ptr = NonNull::from(boxed.deref());
-        Box::into_raw(boxed);
+        let ptr = NonNull::from(Box::leak(boxed));
         Ok(Ref { ptr })
     }
 }

Original file line number	Diff line number	Diff line change
`@@ -51,8 +51,7 @@ impl<T: RefCounted> Ref<T> {`
`51`	`51`	`pub fn try_new(contents: T) -> KernelResult<Self> {`
`52`	`52`	`let boxed = Box::try_new(contents)?;`
`53`	`53`	`boxed.get_count().count.store(1, Ordering::Relaxed);`
`54`		`- let ptr = NonNull::from(boxed.deref());`
`55`		`- Box::into_raw(boxed);`
	`54`	`+ let ptr = NonNull::from(Box::leak(boxed));`
`56`	`55`	`Ok(Ref { ptr })`
`57`	`56`	`}`
`58`	`57`	`}`