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4a59081c09
Currently, if the `kernel::error::Result` type is in scope (which is often is, since it's in the kernel's prelude), you cannot write `Result<T, SomeOtherErrorType>` when you want to use a different error type than `kernel::error::Error`. To solve this we change the error type from being hard-coded to just being a default generic parameter. This still lets you write `Result<T>` when you just want to use the `Error` error type, but also lets you write `Result<T, SomeOtherErrorType>` when necessary. Signed-off-by: Alice Ryhl <aliceryhl@google.com> Reviewed-by: Benno Lossin <benno.lossin@proton.me> Reviewed-by: Asahi Lina <lina@asahilina.net> Reviewed-by: Andreas Hindborg <a.hindborg@samsung.com> Reviewed-by: Gary Guo <gary@garyguo.net> Link: https://lore.kernel.org/r/20230502124015.356001-1-aliceryhl@google.com Signed-off-by: Miguel Ojeda <ojeda@kernel.org>