This series improves `ForeignOwnable` by: - changing the way we assert pointer allignment, - improving the safety requirements of the trait. Signed-off-by: Andreas Hindborg <a.hindborg@xxxxxxxxxx> --- Changes in v3: - Remove more instances of absolute paths to `ffi` types. - Reword safety requirements in terms of function guarantees. - Add a patch to restrict use of null pointers with `ForeignOwnable`. - Link to v2: https://lore.kernel.org/r/20250610-pointed-to-v2-1-fad8f92cf1e5@xxxxxxxxxx Changes in v2: - Replace qualified path with `use` for `crate::ffi::c_void`. - Fix a typo and rephrase docs for `ForeignOwnable`. - Reorganize docs for `ForeignOwnable::into_foreign`. - Link to v1: https://lore.kernel.org/r/20250605-pointed-to-v1-1-ee1e262912cc@xxxxxxxxxx --- Andreas Hindborg (2): rust: types: add FOREIGN_ALIGN to ForeignOwnable rust: types: require `ForeignOwnable::into_foreign` return non-null rust/kernel/alloc/kbox.rs | 41 +++++++++++++++++++++++------------------ rust/kernel/miscdevice.rs | 10 +++++----- rust/kernel/pci.rs | 2 +- rust/kernel/platform.rs | 2 +- rust/kernel/sync/arc.rs | 24 +++++++++++++----------- rust/kernel/types.rs | 46 +++++++++++++++++++++++----------------------- rust/kernel/xarray.rs | 9 +++++---- 7 files changed, 71 insertions(+), 63 deletions(-) --- base-commit: ec7714e4947909190ffb3041a03311a975350fe0 change-id: 20250605-pointed-to-6170ae01520f Best regards, -- Andreas Hindborg <a.hindborg@xxxxxxxxxx>