[PATCH 37/46] rust: security: add __rust_helper to helpers

From: Alice Ryhl
Date: Tue Dec 02 2025 - 14:51:14 EST


This is needed to inline these helpers into Rust code.

Signed-off-by: Alice Ryhl <aliceryhl@xxxxxxxxxx>
---
Cc: Paul Moore <paul@xxxxxxxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Cc: linux-security-module@xxxxxxxxxxxxxxx
---
rust/helpers/security.c | 26 +++++++++++++++-----------
1 file changed, 15 insertions(+), 11 deletions(-)

diff --git a/rust/helpers/security.c b/rust/helpers/security.c
index ca22da09548dfed95a83168ed09263e75cf08fd2..8d0a25fcf931ac6540a986aa10187c345614fc9e 100644
--- a/rust/helpers/security.c
+++ b/rust/helpers/security.c
@@ -3,41 +3,45 @@
#include <linux/security.h>

#ifndef CONFIG_SECURITY
-void rust_helper_security_cred_getsecid(const struct cred *c, u32 *secid)
+__rust_helper void rust_helper_security_cred_getsecid(const struct cred *c,
+ u32 *secid)
{
security_cred_getsecid(c, secid);
}

-int rust_helper_security_secid_to_secctx(u32 secid, struct lsm_context *cp)
+__rust_helper int rust_helper_security_secid_to_secctx(u32 secid,
+ struct lsm_context *cp)
{
return security_secid_to_secctx(secid, cp);
}

-void rust_helper_security_release_secctx(struct lsm_context *cp)
+__rust_helper void rust_helper_security_release_secctx(struct lsm_context *cp)
{
security_release_secctx(cp);
}

-int rust_helper_security_binder_set_context_mgr(const struct cred *mgr)
+__rust_helper int
+rust_helper_security_binder_set_context_mgr(const struct cred *mgr)
{
return security_binder_set_context_mgr(mgr);
}

-int rust_helper_security_binder_transaction(const struct cred *from,
- const struct cred *to)
+__rust_helper int
+rust_helper_security_binder_transaction(const struct cred *from,
+ const struct cred *to)
{
return security_binder_transaction(from, to);
}

-int rust_helper_security_binder_transfer_binder(const struct cred *from,
- const struct cred *to)
+__rust_helper int
+rust_helper_security_binder_transfer_binder(const struct cred *from,
+ const struct cred *to)
{
return security_binder_transfer_binder(from, to);
}

-int rust_helper_security_binder_transfer_file(const struct cred *from,
- const struct cred *to,
- const struct file *file)
+__rust_helper int rust_helper_security_binder_transfer_file(
+ const struct cred *from, const struct cred *to, const struct file *file)
{
return security_binder_transfer_file(from, to, file);
}

--
2.52.0.158.g65b55ccf14-goog