3 files changed, 11 insertions, 14 deletions

diff --git a/security/dummy.c b/security/dummy.c
index fd99429278e9..8ccccccc12ac 100644
--- a/security/dummy.c
+++ b/security/dummy.c
@@ -563,11 +563,6 @@ static int dummy_ipc_permission (struct kern_ipc_perm *ipcp, short flag)
         return 0;
 }
 
-static int dummy_ipc_getsecurity(struct kern_ipc_perm *ipcp, void *buffer, size_t size)
-{
-        return -EOPNOTSUPP;
-}
-
 static int dummy_msg_msg_alloc_security (struct msg_msg *msg)
 {
         return 0;
@@ -976,7 +971,6 @@ void security_fixup_ops (struct security_operations *ops)
         set_to_dummy_if_null(ops, task_reparent_to_init);
         set_to_dummy_if_null(ops, task_to_inode);
         set_to_dummy_if_null(ops, ipc_permission);
-        set_to_dummy_if_null(ops, ipc_getsecurity);
         set_to_dummy_if_null(ops, msg_msg_alloc_security);
         set_to_dummy_if_null(ops, msg_msg_free_security);
         set_to_dummy_if_null(ops, msg_queue_alloc_security);
diff --git a/security/selinux/exports.c b/security/selinux/exports.c
index 07ddce7bf374..7357cf247f60 100644
--- a/security/selinux/exports.c
+++ b/security/selinux/exports.c
@@ -15,6 +15,7 @@
 #include <linux/module.h>
 #include <linux/selinux.h>
 #include <linux/fs.h>
+#include <linux/ipc.h>
 
 #include "security.h"
 #include "objsec.h"
@@ -50,3 +51,13 @@ void selinux_get_inode_sid(const struct inode *inode, u32 *sid)
         *sid = 0;
 }
 
+void selinux_get_ipc_sid(const struct kern_ipc_perm *ipcp, u32 *sid)
+{
+        if (selinux_enabled) {
+                struct ipc_security_struct *isec = ipcp->security;
+                *sid = isec->sid;
+                return;
+        }
+        *sid = 0;
+}
+
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index b61b9554bc27..3cf368a16448 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -4052,13 +4052,6 @@ static int selinux_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
         return ipc_has_perm(ipcp, av);
 }
 
-static int selinux_ipc_getsecurity(struct kern_ipc_perm *ipcp, void *buffer, size_t size)
-{
-        struct ipc_security_struct *isec = ipcp->security;
-
-        return selinux_getsecurity(isec->sid, buffer, size);
-}
-
 /* module stacking operations */
 static int selinux_register_security (const char *name, struct security_operations *ops)
 {
@@ -4321,7 +4314,6 @@ static struct security_operations selinux_ops = {
         .task_to_inode =                selinux_task_to_inode,
 
         .ipc_permission =               selinux_ipc_permission,
-        .ipc_getsecurity =              selinux_ipc_getsecurity,
 
         .msg_msg_alloc_security =       selinux_msg_msg_alloc_security,
         .msg_msg_free_security =        selinux_msg_msg_free_security,