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| author | Benno Lossin <benno.lossin@proton.me> | 2024-08-19 13:24:35 +0200 |
|---|---|---|
| committer | Miguel Ojeda <ojeda@kernel.org> | 2024-08-22 00:16:06 +0200 |
| commit | 01db99b272318da75a1aa5a81f75adb9d32f676e (patch) | |
| tree | 28406b1298bafefab366598dd182cfebe38d9f74 /Documentation/userspace-api/gpio | |
| parent | rust: enable bindgen's `--enable-function-attribute-detection` flag (diff) | |
| download | linux-01db99b272318da75a1aa5a81f75adb9d32f676e.tar.xz linux-01db99b272318da75a1aa5a81f75adb9d32f676e.zip | |
rust: kernel: add `drop_contents` to `BoxExt`
Sometimes (see [1]) it is necessary to drop the value inside of a
`Box<T>`, but retain the allocation. For example to reuse the allocation
in the future.
Introduce a new function `drop_contents` that turns a `Box<T>` into
`Box<MaybeUninit<T>>` by dropping the value.
Link: https://lore.kernel.org/rust-for-linux/20240418-b4-rbtree-v3-5-323e134390ce@google.com/ [1]
Signed-off-by: Benno Lossin <benno.lossin@proton.me>
Reviewed-by: Boqun Feng <boqun.feng@gmail.com>
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Link: https://lore.kernel.org/r/20240819112415.99810-1-benno.lossin@proton.me
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Diffstat (limited to 'Documentation/userspace-api/gpio')
0 files changed, 0 insertions, 0 deletions