linux-kernel - [PATCH 37/46] rust: security: add __rust

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Message-ID: <20251202-define-rust-helper-v1-37-a2e13cbc17a6@google.com>
Date: Tue, 02 Dec 2025 19:38:01 +0000
From: Alice Ryhl <aliceryhl@...gle.com>
To: rust-for-linux@...r.kernel.org
Cc: linux-kernel@...r.kernel.org, Alice Ryhl <aliceryhl@...gle.com>, 
	Paul Moore <paul@...l-moore.com>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, 
	linux-security-module@...r.kernel.org
Subject: [PATCH 37/46] rust: security: add __rust_helper to helpers

This is needed to inline these helpers into Rust code.

Signed-off-by: Alice Ryhl <aliceryhl@...gle.com>
---
Cc: Paul Moore <paul@...l-moore.com>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: linux-security-module@...r.kernel.org
---
 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