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rust: use the build_error! macro, not the hidden function

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Code and some examples were using the function, rather than the macro. The
macro is what is documented.

Thus move users to the macro.

Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Link: https://lore.kernel.org/r/20241123222849.350287-1-ojeda@kernel.org
[ Applied the change to the new miscdevice cases. - Miguel ]
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
This commit is contained in:
Miguel Ojeda
2024-11-23 23:28:47 +01:00
parent 2a87f8b075
commit 15f2f9313a
4 changed files with 16 additions and 16 deletions
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8
rust/macros/lib.rs
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@@ -123,12 +123,12 @@ pub fn module(ts: TokenStream) -> TokenStream {
/// used on the Rust side, it should not be possible to call the default
/// implementation. This is done to ensure that we call the vtable methods
/// through the C vtable, and not through the Rust vtable. Therefore, the
/// default implementation should call `kernel::build_error`, which prevents
/// default implementation should call `kernel::build_error!`, which prevents
/// calls to this function at compile time:
///
/// ```compile_fail
/// # // Intentionally missing `use`s to simplify `rusttest`.
/// kernel::build_error(VTABLE_DEFAULT_ERROR)
/// kernel::build_error!(VTABLE_DEFAULT_ERROR)
/// ```
///
/// Note that you might need to import [`kernel::error::VTABLE_DEFAULT_ERROR`].
@@ -145,11 +145,11 @@ pub fn module(ts: TokenStream) -> TokenStream {
/// #[vtable]
/// pub trait Operations: Send + Sync + Sized {
/// fn foo(&self) -> Result<()> {
/// kernel::build_error(VTABLE_DEFAULT_ERROR)
/// kernel::build_error!(VTABLE_DEFAULT_ERROR)
/// }
///
/// fn bar(&self) -> Result<()> {
/// kernel::build_error(VTABLE_DEFAULT_ERROR)
/// kernel::build_error!(VTABLE_DEFAULT_ERROR)
/// }
/// }
///