linux-kernel - [PATCH 2/5] security: export binder symbols

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Message-ID: <20260205-binder-tristate-v1-2-dfc947c35d35@google.com>
Date: Thu, 05 Feb 2026 10:51:27 +0000
From: Alice Ryhl <aliceryhl@...gle.com>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, Carlos Llamas <cmllamas@...gle.com>
Cc: Alexander Viro <viro@...iv.linux.org.uk>, Christian Brauner <brauner@...nel.org>, Jan Kara <jack@...e.cz>, 
	Paul Moore <paul@...l-moore.com>, James Morris <jmorris@...ei.org>, 
	"Serge E. Hallyn" <serge@...lyn.com>, Andrew Morton <akpm@...ux-foundation.org>, 
	Dave Chinner <david@...morbit.com>, Qi Zheng <zhengqi.arch@...edance.com>, 
	Roman Gushchin <roman.gushchin@...ux.dev>, Muchun Song <muchun.song@...ux.dev>, 
	David Hildenbrand <david@...nel.org>, Lorenzo Stoakes <lorenzo.stoakes@...cle.com>, 
	"Liam R. Howlett" <Liam.Howlett@...cle.com>, Vlastimil Babka <vbabka@...e.cz>, 
	Mike Rapoport <rppt@...nel.org>, Suren Baghdasaryan <surenb@...gle.com>, Michal Hocko <mhocko@...e.com>, 
	Miguel Ojeda <ojeda@...nel.org>, Boqun Feng <boqun.feng@...il.com>, Gary Guo <gary@...yguo.net>, 
	"Björn Roy Baron" <bjorn3_gh@...tonmail.com>, Benno Lossin <lossin@...nel.org>, 
	Andreas Hindborg <a.hindborg@...nel.org>, Trevor Gross <tmgross@...ch.edu>, 
	Danilo Krummrich <dakr@...nel.org>, kernel-team@...roid.com, linux-fsdevel@...r.kernel.org, 
	linux-kernel@...r.kernel.org, linux-security-module@...r.kernel.org, 
	linux-mm@...ck.org, rust-for-linux@...r.kernel.org, 
	Alice Ryhl <aliceryhl@...gle.com>
Subject: [PATCH 2/5] security: export binder symbols

To enable building Binder as a module, export these symbols.

Signed-off-by: Alice Ryhl <aliceryhl@...gle.com>
---
 security/security.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/security/security.c b/security/security.c
index 31a688650601b62df1e536bbe4407817edbd6707..b4776f0e25b33df95379a08a7659c0e5f767237b 100644
--- a/security/security.c
+++ b/security/security.c
@@ -488,6 +488,7 @@ int security_binder_set_context_mgr(const struct cred *mgr)
 {
 	return call_int_hook(binder_set_context_mgr, mgr);
 }
+EXPORT_SYMBOL_GPL(security_binder_set_context_mgr);
 
 /**
  * security_binder_transaction() - Check if a binder transaction is allowed
@@ -503,6 +504,7 @@ int security_binder_transaction(const struct cred *from,
 {
 	return call_int_hook(binder_transaction, from, to);
 }
+EXPORT_SYMBOL_GPL(security_binder_transaction);
 
 /**
  * security_binder_transfer_binder() - Check if a binder transfer is allowed
@@ -518,6 +520,7 @@ int security_binder_transfer_binder(const struct cred *from,
 {
 	return call_int_hook(binder_transfer_binder, from, to);
 }
+EXPORT_SYMBOL_GPL(security_binder_transfer_binder);
 
 /**
  * security_binder_transfer_file() - Check if a binder file xfer is allowed
@@ -534,6 +537,7 @@ int security_binder_transfer_file(const struct cred *from,
 {
 	return call_int_hook(binder_transfer_file, from, to, file);
 }
+EXPORT_SYMBOL_GPL(security_binder_transfer_file);
 
 /**
  * security_ptrace_access_check() - Check if tracing is allowed

-- 
2.53.0.rc2.204.g2597b5adb4-goog