Re: [PATCH v7 3/6] rust: error: add EDEADLK

From: Daniel Almeida
Date: Tue Nov 25 2025 - 11:18:19 EST




> On 1 Nov 2025, at 13:10, Onur Özkan <work@xxxxxxxxxxxxx> wrote:
>
> This is needed for the ww_mutex implementation so
> we can handle EDEADLK on lock attempts.
>
> Signed-off-by: Onur Özkan <work@xxxxxxxxxxxxx>
> ---
> rust/kernel/error.rs | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/rust/kernel/error.rs b/rust/kernel/error.rs
> index 1c0e0e241daa..9bf1072cfe19 100644
> --- a/rust/kernel/error.rs
> +++ b/rust/kernel/error.rs
> @@ -66,6 +66,7 @@ macro_rules! declare_err {
> declare_err!(EPIPE, "Broken pipe.");
> declare_err!(EDOM, "Math argument out of domain of func.");
> declare_err!(ERANGE, "Math result not representable.");
> + declare_err!(EDEADLK, "Resource deadlock avoided.");
> declare_err!(EOVERFLOW, "Value too large for defined data type.");
> declare_err!(ETIMEDOUT, "Connection timed out.");
> declare_err!(ERESTARTSYS, "Restart the system call.");
> --
> 2.51.2
>
>

Reviewed-by: Daniel Almeida <daniel.almeida@xxxxxxxxxxxxx>