net:netfilter: use IS_ENABLED

Use IS_ENABLED(CONFIG_FOO)
instead of defined(CONFIG_FOO) || defined (CONFIG_FOO_MODULE)

Signed-off-by: Igor Maravić <igorm@etf.rs>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/netfilter/xt_TCPOPTSTRIP.c b/net/netfilter/xt_TCPOPTSTRIP.c
index 3a295cc..25fd1c4 100644
--- a/net/netfilter/xt_TCPOPTSTRIP.c
+++ b/net/netfilter/xt_TCPOPTSTRIP.c
@@ -80,7 +80,7 @@
 	       sizeof(struct iphdr) + sizeof(struct tcphdr));
 }
 
-#if defined(CONFIG_IP6_NF_MANGLE) || defined(CONFIG_IP6_NF_MANGLE_MODULE)
+#if IS_ENABLED(CONFIG_IP6_NF_MANGLE)
 static unsigned int
 tcpoptstrip_tg6(struct sk_buff *skb, const struct xt_action_param *par)
 {
@@ -109,7 +109,7 @@
 		.targetsize = sizeof(struct xt_tcpoptstrip_target_info),
 		.me         = THIS_MODULE,
 	},
-#if defined(CONFIG_IP6_NF_MANGLE) || defined(CONFIG_IP6_NF_MANGLE_MODULE)
+#if IS_ENABLED(CONFIG_IP6_NF_MANGLE)
 	{
 		.name       = "TCPOPTSTRIP",
 		.family     = NFPROTO_IPV6,