Re: [PATCH v1 09/28] rust: error: add codes from `errno-base.h`

[Gary Guo]

On Thu, 10 Nov 2022 17:41:21 +0100
Miguel Ojeda <ojeda@xxxxxxxxxx> wrote:

> From: Viktor Garske <viktor@xxxxxxxx>
> 
> Only a few codes were added so far. With the `declare_err!`
> macro in place, add the remaining ones (which is most of them)
> from `include/uapi/asm-generic/errno-base.h`.
> 
> Co-developed-by: Wedson Almeida Filho <wedsonaf@xxxxxxxxx>
> Signed-off-by: Wedson Almeida Filho <wedsonaf@xxxxxxxxx>
> Signed-off-by: Viktor Garske <viktor@xxxxxxxx>
> [Reworded, adapted for upstream and applied latest changes]
> Signed-off-by: Miguel Ojeda <ojeda@xxxxxxxxxx>

Reviewed-by: Gary Guo <gary@xxxxxxxxxxx>

> ---
>  rust/kernel/error.rs | 33 +++++++++++++++++++++++++++++++++
>  1 file changed, 33 insertions(+)
> 
> diff --git a/rust/kernel/error.rs b/rust/kernel/error.rs
> index b843f3445483..861746f2422d 100644
> --- a/rust/kernel/error.rs
> +++ b/rust/kernel/error.rs
> @@ -17,7 +17,40 @@ pub mod code {
>          };
>      }
>  
> +    declare_err!(EPERM, "Operation not permitted.");
> +    declare_err!(ENOENT, "No such file or directory.");
> +    declare_err!(ESRCH, "No such process.");
> +    declare_err!(EINTR, "Interrupted system call.");
> +    declare_err!(EIO, "I/O error.");
> +    declare_err!(ENXIO, "No such device or address.");
> +    declare_err!(E2BIG, "Argument list too long.");
> +    declare_err!(ENOEXEC, "Exec format error.");
> +    declare_err!(EBADF, "Bad file number.");
> +    declare_err!(ECHILD, "Exec format error.");
> +    declare_err!(EAGAIN, "Try again.");
>      declare_err!(ENOMEM, "Out of memory.");
> +    declare_err!(EACCES, "Permission denied.");
> +    declare_err!(EFAULT, "Bad address.");
> +    declare_err!(ENOTBLK, "Block device required.");
> +    declare_err!(EBUSY, "Device or resource busy.");
> +    declare_err!(EEXIST, "File exists.");
> +    declare_err!(EXDEV, "Cross-device link.");
> +    declare_err!(ENODEV, "No such device.");
> +    declare_err!(ENOTDIR, "Not a directory.");
> +    declare_err!(EISDIR, "Is a directory.");
> +    declare_err!(EINVAL, "Invalid argument.");
> +    declare_err!(ENFILE, "File table overflow.");
> +    declare_err!(EMFILE, "Too many open files.");
> +    declare_err!(ENOTTY, "Not a typewriter.");
> +    declare_err!(ETXTBSY, "Text file busy.");
> +    declare_err!(EFBIG, "File too large.");
> +    declare_err!(ENOSPC, "No space left on device.");
> +    declare_err!(ESPIPE, "Illegal seek.");
> +    declare_err!(EROFS, "Read-only file system.");
> +    declare_err!(EMLINK, "Too many links.");
> +    declare_err!(EPIPE, "Broken pipe.");
> +    declare_err!(EDOM, "Math argument out of domain of func.");
> +    declare_err!(ERANGE, "Math result not representable.");
>  }
>  
>  /// Generic integer kernel error.