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| author | Herbert Xu <herbert@gondor.apana.org.au> | 2025-05-05 13:25:15 +0800 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2025-05-05 13:25:15 +0800 |
| commit | fba4aafaba8a6ca2bb42e854c37ff9a685ddfd71 (patch) | |
| tree | 4ba74ac925fc7d7b131fa54239b43c00a42a3429 /rust/pin-init/src/alloc.rs | |
| parent | crypto: s390/sha512 - Fix sha512 state size (diff) | |
| parent | Linux 6.15-rc5 (diff) | |
| download | linux-fba4aafaba8a6ca2bb42e854c37ff9a685ddfd71.tar.gz linux-fba4aafaba8a6ca2bb42e854c37ff9a685ddfd71.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux v6.15-rc5
Merge mainline to pick up bcachefs poly1305 patch 4bf4b5046de0
("bcachefs: use library APIs for ChaCha20 and Poly1305"). This
is a prerequisite for removing the poly1305 shash algorithm.
Diffstat (limited to 'rust/pin-init/src/alloc.rs')
| -rw-r--r-- | rust/pin-init/src/alloc.rs | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/rust/pin-init/src/alloc.rs b/rust/pin-init/src/alloc.rs index e16baa3b434e..5017f57442d8 100644 --- a/rust/pin-init/src/alloc.rs +++ b/rust/pin-init/src/alloc.rs @@ -17,11 +17,9 @@ use crate::{ pub extern crate alloc; -// SAFETY: All zeros is equivalent to `None` (option layout optimization guarantee). -// -// In this case we are allowed to use `T: ?Sized`, since all zeros is the `None` variant and there -// is no problem with a VTABLE pointer being null. -unsafe impl<T: ?Sized> ZeroableOption for Box<T> {} +// SAFETY: All zeros is equivalent to `None` (option layout optimization guarantee: +// <https://doc.rust-lang.org/stable/std/option/index.html#representation>). +unsafe impl<T> ZeroableOption for Box<T> {} /// Smart pointer that can initialize memory in-place. pub trait InPlaceInit<T>: Sized { |