[PATCH v2 08/27] rust: err: add __rust_helper to helpers

From: Alice Ryhl
Date: Mon Jan 05 2026 - 07:53:49 EST


This is needed to inline these helpers into Rust code.

Reviewed-by: Boqun Feng <boqun.feng@xxxxxxxxx>
Reviewed-by: Gary Guo <gary@xxxxxxxxxxx>
Signed-off-by: Alice Ryhl <aliceryhl@xxxxxxxxxx>
---
rust/helpers/build_bug.c | 2 +-
rust/helpers/err.c | 6 +++---
2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/rust/helpers/build_bug.c b/rust/helpers/build_bug.c
index 44e5794880373e5b4c3e9de5677d8e03ccd4a2be..14dbc55bb539589fd822ac8777b3fdaccfee7897 100644
--- a/rust/helpers/build_bug.c
+++ b/rust/helpers/build_bug.c
@@ -2,7 +2,7 @@

#include <linux/errname.h>

-const char *rust_helper_errname(int err)
+__rust_helper const char *rust_helper_errname(int err)
{
return errname(err);
}
diff --git a/rust/helpers/err.c b/rust/helpers/err.c
index 544c7cb8663283edbe202318e5bca870708546f3..2872158e379383d592af687991115a0d223c3898 100644
--- a/rust/helpers/err.c
+++ b/rust/helpers/err.c
@@ -2,17 +2,17 @@

#include <linux/err.h>

-__force void *rust_helper_ERR_PTR(long err)
+__rust_helper __force void *rust_helper_ERR_PTR(long err)
{
return ERR_PTR(err);
}

-bool rust_helper_IS_ERR(__force const void *ptr)
+__rust_helper bool rust_helper_IS_ERR(__force const void *ptr)
{
return IS_ERR(ptr);
}

-long rust_helper_PTR_ERR(__force const void *ptr)
+__rust_helper long rust_helper_PTR_ERR(__force const void *ptr)
{
return PTR_ERR(ptr);
}

--
2.52.0.351.gbe84eed79e-goog