rust: prelude: add `error::code::*` constant items
It is convenient to have all the `Error` constant items (such as
`EINVAL`) available as-is everywhere (i.e. for code using the kernel
prelude such as kernel modules).
Therefore, add all of them to the prelude.
For instance, this allows to write `Err(EINVAL)` to create
a kernel `Result`:
fn f() -> Result<...> {
...
Err(EINVAL)
}
Signed-off-by: Wedson Almeida Filho <wedsonaf@gmail.com>
Reviewed-by: Gary Guo <gary@garyguo.net>
[Reworded, adapted for upstream and applied latest changes]
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
diff --git a/rust/kernel/prelude.rs b/rust/kernel/prelude.rs
index 7c4c35b..1e08b08 100644
--- a/rust/kernel/prelude.rs
+++ b/rust/kernel/prelude.rs
@@ -19,6 +19,6 @@
pub use super::{pr_alert, pr_crit, pr_debug, pr_emerg, pr_err, pr_info, pr_notice, pr_warn};
-pub use super::error::{Error, Result};
+pub use super::error::{code::*, Error, Result};
pub use super::ThisModule;
