[NETFILTER]: nf_conntrack_expect: show NF_CT_EXPECT_PERMANENT flag in /proc

Signed-off-by: NPatrick McHardy <kaber@trash.net>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

net/netfilter/nf_conntrack_expect.c

@@ -475,6 +475,10 @@ static int exp_seq_show(struct seq_file *s, void *v)
 		    __nf_ct_l3proto_find(expect->tuple.src.l3num),
 		    __nf_ct_l4proto_find(expect->tuple.src.l3num,
 				       expect->tuple.dst.protonum));
+
+	if (expect->flags & NF_CT_EXPECT_PERMANENT)
+		seq_printf(s, "PERMANENT ");
+
 	return seq_putc(s, '\n');
 }