1 files changed, 17 insertions, 0 deletions

diff --git a/include/net/scm.h b/include/net/scm.h
index 540619cb7160..02daa097cdcd 100644
--- a/include/net/scm.h
+++ b/include/net/scm.h
@@ -19,6 +19,10 @@ struct scm_cookie
 {
         struct ucred            creds;          /* Skb credentials      */
         struct scm_fp_list      *fp;            /* Passed files         */
+#ifdef CONFIG_SECURITY_NETWORK
+        char                    *secdata;       /* Security context     */
+        u32                     seclen;         /* Security length      */
+#endif
         unsigned long           seq;            /* Connection seqno     */
 };
 
@@ -48,6 +52,17 @@ static __inline__ int scm_send(struct socket *sock, struct msghdr *msg,
         return __scm_send(sock, msg, scm);
 }
 
+#ifdef CONFIG_SECURITY_NETWORK
+static inline void scm_passec(struct socket *sock, struct msghdr *msg, struct scm_cookie *scm)
+{
+        if (test_bit(SOCK_PASSSEC, &sock->flags) && scm->secdata != NULL)
+                put_cmsg(msg, SOL_SOCKET, SCM_SECURITY, scm->seclen, scm->secdata);
+}
+#else
+static inline void scm_passec(struct socket *sock, struct msghdr *msg, struct scm_cookie *scm)
+{ }
+#endif /* CONFIG_SECURITY_NETWORK */
+
 static __inline__ void scm_recv(struct socket *sock, struct msghdr *msg,
                                 struct scm_cookie *scm, int flags)
 {
@@ -62,6 +77,8 @@ static __inline__ void scm_recv(struct socket *sock, struct msghdr *msg,
         if (test_bit(SOCK_PASSCRED, &sock->flags))
                 put_cmsg(msg, SOL_SOCKET, SCM_CREDENTIALS, sizeof(scm->creds), &scm->creds);
 
+        scm_passec(sock, msg, scm);
+
         if (!scm->fp)
                 return;