ipv6: use IS_ENABLED()

#if defined(CONFIG_FOO) || defined(CONFIG_FOO_MODULE)

can be replaced by

#if IS_ENABLED(CONFIG_FOO)

Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Cong Wang <amwang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 9 insertions, 9 deletions

diff --git a/net/ipv6/exthdrs.c b/net/ipv6/exthdrs.c
index fa3d9c328092..f005acc58b2a 100644
--- a/net/ipv6/exthdrs.c
+++ b/net/ipv6/exthdrs.c
@@ -43,7 +43,7 @@
 #include <net/ndisc.h>
 #include <net/ip6_route.h>
 #include <net/addrconf.h>
-#if defined(CONFIG_IPV6_MIP6) || defined(CONFIG_IPV6_MIP6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6_MIP6)
 #include <net/xfrm.h>
 #endif
 
@@ -224,7 +224,7 @@ bad:
   Destination options header.
  *****************************/
 
-#if defined(CONFIG_IPV6_MIP6) || defined(CONFIG_IPV6_MIP6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6_MIP6)
 static bool ipv6_dest_hao(struct sk_buff *skb, int optoff)
 {
         struct ipv6_destopt_hao *hao;
@@ -288,7 +288,7 @@ static bool ipv6_dest_hao(struct sk_buff *skb, int optoff)
 #endif
 
 static const struct tlvtype_proc tlvprocdestopt_lst[] = {
-#if defined(CONFIG_IPV6_MIP6) || defined(CONFIG_IPV6_MIP6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6_MIP6)
         {
                 .type   = IPV6_TLV_HAO,
                 .func   = ipv6_dest_hao,
@@ -300,7 +300,7 @@ static const struct tlvtype_proc tlvprocdestopt_lst[] = {
 static int ipv6_destopt_rcv(struct sk_buff *skb)
 {
         struct inet6_skb_parm *opt = IP6CB(skb);
-#if defined(CONFIG_IPV6_MIP6) || defined(CONFIG_IPV6_MIP6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6_MIP6)
         __u16 dstbuf;
 #endif
         struct dst_entry *dst = skb_dst(skb);
@@ -315,14 +315,14 @@ static int ipv6_destopt_rcv(struct sk_buff *skb)
         }
 
         opt->lastopt = opt->dst1 = skb_network_header_len(skb);
-#if defined(CONFIG_IPV6_MIP6) || defined(CONFIG_IPV6_MIP6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6_MIP6)
         dstbuf = opt->dst1;
 #endif
 
         if (ip6_parse_tlv(tlvprocdestopt_lst, skb)) {
                 skb->transport_header += (skb_transport_header(skb)[1] + 1) << 3;
                 opt = IP6CB(skb);
-#if defined(CONFIG_IPV6_MIP6) || defined(CONFIG_IPV6_MIP6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6_MIP6)
                 opt->nhoff = dstbuf;
 #else
                 opt->nhoff = opt->dst1;
@@ -378,7 +378,7 @@ static int ipv6_rthdr_rcv(struct sk_buff *skb)
 looped_back:
         if (hdr->segments_left == 0) {
                 switch (hdr->type) {
-#if defined(CONFIG_IPV6_MIP6) || defined(CONFIG_IPV6_MIP6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6_MIP6)
                 case IPV6_SRCRT_TYPE_2:
                         /* Silently discard type 2 header unless it was
                          * processed by own
@@ -404,7 +404,7 @@ looped_back:
         }
 
         switch (hdr->type) {
-#if defined(CONFIG_IPV6_MIP6) || defined(CONFIG_IPV6_MIP6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6_MIP6)
         case IPV6_SRCRT_TYPE_2:
                 if (accept_source_route < 0)
                         goto unknown_rh;
@@ -461,7 +461,7 @@ looped_back:
         addr += i - 1;
 
         switch (hdr->type) {
-#if defined(CONFIG_IPV6_MIP6) || defined(CONFIG_IPV6_MIP6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6_MIP6)
         case IPV6_SRCRT_TYPE_2:
                 if (xfrm6_input_addr(skb, (xfrm_address_t *)addr,
                                      (xfrm_address_t *)&ipv6_hdr(skb)->saddr,