selinux: constify nlmsg permission tables

Constify nlmsg permission tables, which are initialized once
and then do not change.

Signed-off-by: James Morris <james.l.morris@oracle.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>

diff --git a/security/selinux/nlmsgtab.c b/security/selinux/nlmsgtab.c
index 2ca9cde939d44976365aa67fe72f51be9b92897d..57e2596bdd8a0995be838dde0e2bcedb4acba67b 100644 (file)
--- a/security/selinux/nlmsgtab.c
+++ b/security/selinux/nlmsgtab.c
@@ -28,7 +28,7 @@ struct nlmsg_perm {
        u32     perm;
 };
 
-static struct nlmsg_perm nlmsg_route_perms[] =
+static const struct nlmsg_perm nlmsg_route_perms[] =
 {
        { RTM_NEWLINK,          NETLINK_ROUTE_SOCKET__NLMSG_WRITE },
        { RTM_DELLINK,          NETLINK_ROUTE_SOCKET__NLMSG_WRITE },
@@ -80,7 +80,7 @@ static struct nlmsg_perm nlmsg_route_perms[] =
        { RTM_GETSTATS,         NETLINK_ROUTE_SOCKET__NLMSG_READ  },
 };
 
-static struct nlmsg_perm nlmsg_tcpdiag_perms[] =
+static const struct nlmsg_perm nlmsg_tcpdiag_perms[] =
 {
        { TCPDIAG_GETSOCK,      NETLINK_TCPDIAG_SOCKET__NLMSG_READ },
        { DCCPDIAG_GETSOCK,     NETLINK_TCPDIAG_SOCKET__NLMSG_READ },
@@ -88,7 +88,7 @@ static struct nlmsg_perm nlmsg_tcpdiag_perms[] =
        { SOCK_DESTROY,         NETLINK_TCPDIAG_SOCKET__NLMSG_WRITE },
 };
 
-static struct nlmsg_perm nlmsg_xfrm_perms[] =
+static const struct nlmsg_perm nlmsg_xfrm_perms[] =
 {
        { XFRM_MSG_NEWSA,       NETLINK_XFRM_SOCKET__NLMSG_WRITE },
        { XFRM_MSG_DELSA,       NETLINK_XFRM_SOCKET__NLMSG_WRITE },
@@ -115,7 +115,7 @@ static struct nlmsg_perm nlmsg_xfrm_perms[] =
        { XFRM_MSG_MAPPING,     NETLINK_XFRM_SOCKET__NLMSG_READ  },
 };
 
-static struct nlmsg_perm nlmsg_audit_perms[] =
+static const struct nlmsg_perm nlmsg_audit_perms[] =
 {
        { AUDIT_GET,            NETLINK_AUDIT_SOCKET__NLMSG_READ     },
        { AUDIT_SET,            NETLINK_AUDIT_SOCKET__NLMSG_WRITE    },
@@ -136,7 +136,7 @@ static struct nlmsg_perm nlmsg_audit_perms[] =
 };
 
 
-static int nlmsg_perm(u16 nlmsg_type, u32 *perm, struct nlmsg_perm *tab, size_t tabsize)
+static int nlmsg_perm(u16 nlmsg_type, u32 *perm, const struct nlmsg_perm *tab, size_t tabsize)
 {
        int i, err = -EINVAL;