Commit 
538950a1b752 ("soreuseport: setsockopt SO_ATTACH_REUSEPORT_[CE]BPF")
missed to add the compat case for the SO_ATTACH_REUSEPORT_CBPF option.
Signed-off-by: Helge Deller <deller@gmx.de>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
 
 static int compat_sock_setsockopt(struct socket *sock, int level, int optname,
                                char __user *optval, unsigned int optlen)
 {
-       if (optname == SO_ATTACH_FILTER)
+       if (optname == SO_ATTACH_FILTER ||
+           optname == SO_ATTACH_REUSEPORT_CBPF)
                return do_set_attach_filter(sock, level, optname,
                                            optval, optlen);
        if (optname == SO_RCVTIMEO || optname == SO_SNDTIMEO)