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Improve the doc comment of `from_err_ptr` by explicitly stating that it will return `Ok(NULL)` when passed a null pointer, as it isn't an error value. Add a doctest case that tests the behavior described above, as well as other scenarios (non-null/non-error pointer, error value). Suggested-by: Miguel Ojeda <ojeda@kernel.org> Link: https://lore.kernel.org/rust-for-linux/20260322193830.89324-1-ojeda@kernel.org/ Link: https://github.com/Rust-for-Linux/linux/issues/1231 Signed-off-by: Mirko Adzic <adzicmirko97@gmail.com> Reviewed-by: Alice Ryhl <aliceryhl@google.com> Link: https://patch.msgid.link/20260329104319.131057-1-adzicmirko97@gmail.com [ - Added `expect` for `clippy::missing_safety_doc`. - Simplified and removed unsafe block using `Error::to_ptr()`. - Added intra-doc link. - Miguel ] Signed-off-by: Miguel Ojeda <ojeda@kernel.org> |
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