[PATCH v9 3/7] rust: error: add EDEADLK

From: Onur Özkan
Date: Fri Jan 02 2026 - 13:11:57 EST


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 258b12afdcba..c2b95db23abc 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