1 files changed, 1 insertions, 0 deletions

diff --git a/include/linux/socket.h b/include/linux/socket.h
index b02dda4ee83d..9ab2ddd80221 100644
--- a/include/linux/socket.h
+++ b/include/linux/socket.h
@@ -150,6 +150,7 @@ __KINLINE struct cmsghdr * cmsg_nxthdr (struct msghdr *__msg, struct cmsghdr *__
 
 #define SCM_RIGHTS      0x01            /* rw: access rights (array of int) */
 #define SCM_CREDENTIALS 0x02            /* rw: struct ucred             */
+#define SCM_SECURITY    0x03            /* rw: security label           */
 
 struct ucred {
         __u32   pid;