[PATCH 28/97] LSM: REVERT Use lsm_export in the sk_getsecid hooks

[Casey Schaufler]

REVERT sk_getsecid use of lsm_export

Signed-off-by: Casey Schaufler <casey at schaufler-ca.com>
---
 include/linux/lsm_hooks.h | 2 +-
 security/security.c       | 5 +----
 security/selinux/hooks.c  | 6 +++---
 3 files changed, 5 insertions(+), 8 deletions(-)

diff --git a/include/linux/lsm_hooks.h b/include/linux/lsm_hooks.h
index 97ef535dafd0..cbfc2a9b5f27 100644
--- a/include/linux/lsm_hooks.h
+++ b/include/linux/lsm_hooks.h
@@ -1699,7 +1699,7 @@ union security_list_options {
 	int (*sk_alloc_security)(struct sock *sk, int family, gfp_t priority);
 	void (*sk_free_security)(struct sock *sk);
 	void (*sk_clone_security)(const struct sock *sk, struct sock *newsk);
-	void (*sk_getsecid)(struct sock *sk, struct lsm_export *l);
+	void (*sk_getsecid)(struct sock *sk, u32 *secid);
 	void (*sock_graft)(struct sock *sk, struct socket *parent);
 	int (*inet_conn_request)(struct sock *sk, struct sk_buff *skb,
 					struct request_sock *req);
diff --git a/security/security.c b/security/security.c
index 06461712c881..e52b500adb27 100644
--- a/security/security.c
+++ b/security/security.c
@@ -2116,10 +2116,7 @@ EXPORT_SYMBOL(security_sk_clone);
 
 void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
 {
-	struct lsm_export data = { .flags = LSM_EXPORT_NONE };
-
-	call_void_hook(sk_getsecid, sk, &data);
-	lsm_export_secid(&data, &fl->flowi_secid);
+	call_void_hook(sk_getsecid, sk, &fl->flowi_secid);
 }
 EXPORT_SYMBOL(security_sk_classify_flow);
 
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 744fa6141ae1..9879dd828e1c 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -4889,14 +4889,14 @@ static void selinux_sk_clone_security(const struct sock *sk, struct sock *newsk)
 	selinux_netlbl_sk_security_reset(newsksec);
 }
 
-static void selinux_sk_getsecid(struct sock *sk, struct lsm_export *l)
+static void selinux_sk_getsecid(struct sock *sk, u32 *secid)
 {
 	if (!sk)
-		selinux_export_secid(l, SECINITSID_ANY_SOCKET);
+		*secid = SECINITSID_ANY_SOCKET;
 	else {
 		struct sk_security_struct *sksec = selinux_sock(sk);
 
-		selinux_export_secid(l, sksec->sid);
+		*secid = sksec->sid;
 	}
 }
 
-- 
2.17.0