[PATCH v7 03/10] rust: doctest: add LocalModule fallback for #[vtable] ThisModule
Alvin Sun <[email protected]>
| Newsgroups | org.kernel.vger.linux-modules,dev.linux.lists.driver-core,dev.linux.lists.nova-gpu,org.freedesktop.lists.dri-devel,org.kernel.feeds.b4-sent,org.kernel.vger.linux-block,org.kernel.vger.linux-kernel,org.kernel.vger.linux-kselftest,org.kernel.vger.linux-pci,org.kernel.vger.netdev,org.kernel.vger.rust-for-linux |
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| Message-ID | <[email protected]> |
Add a `LocalModule` struct with a null-pointer `ModuleMetadata` impl in the doctest harness, so that `crate::LocalModule` (auto-inserted by `#[vtable]`) resolves correctly when there is no `module!` macro. Assisted-by: opencode:glm-5.2 Reviewed-by: Andreas Hindborg <[email protected]> Reviewed-by: Gary Guo <[email protected]> Acked-by: Danilo Krummrich <[email protected]> Signed-off-by: Alvin Sun <[email protected]> --- scripts/rustdoc_test_gen.rs | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/scripts/rustdoc_test_gen.rs b/scripts/rustdoc_test_gen.rs index ee76e96b41eea..198af4e446c8c 100644 --- a/scripts/rustdoc_test_gen.rs +++ b/scripts/rustdoc_test_gen.rs @@ -239,6 +239,22 @@ macro_rules! assert_eq {{ const __LOG_PREFIX: &[u8] = b"rust_doctests_kernel\0"; +/// Dummy module type for doctest context. +struct LocalModule; + +use kernel::{{ + str::CStr, + ModuleMetadata, + ThisModule, // +}}; +use core::ptr::null_mut; + +impl ModuleMetadata for LocalModule {{ + const NAME: &'static CStr = c"rust_doctests_kernel"; + // SAFETY: `try_module_get`/`module_put` handle null module pointers gracefully. + const THIS_MODULE: ThisModule = unsafe {{ ThisModule::from_ptr(null_mut()) }}; +}} + {rust_tests} "# ) -- 2.43.0