[PATCH net-next] rxrpc: Fix missing IPV6 #ifdef

[David Howells]

Fix rxrpc_encap_err_rcv() to make the call to ipv6_icmp_error conditional
on IPV6 support being enabled.

Fixes: b6c66c4324e7 ("rxrpc: Use the core ICMP/ICMP6 parsers")
Reported-by: kernel test robot <lkp@xxxxxxxxx>
Signed-off-by: David Howells <dhowells@xxxxxxxxxx>
cc: Marc Dionne <marc.dionne@xxxxxxxxxxxx>
cc: linux-afs@xxxxxxxxxxxxxxxxxxx
cc: netdev@xxxxxxxxxxxxxxx
---

 net/rxrpc/local_object.c |    2 ++
 1 file changed, 2 insertions(+)

diff --git a/net/rxrpc/local_object.c b/net/rxrpc/local_object.c
index a178f71e5082..25cdfcf7b415 100644
--- a/net/rxrpc/local_object.c
+++ b/net/rxrpc/local_object.c
@@ -33,7 +33,9 @@ static void rxrpc_encap_err_rcv(struct sock *sk, struct sk_buff *skb, int err,
 {
 	if (ip_hdr(skb)->version == IPVERSION)
 		return ip_icmp_error(sk, skb, err, port, info, payload);
+#ifdef CONFIG_AF_RXRPC_IPV6
 	return ipv6_icmp_error(sk, skb, err, port, info, payload);
+#endif
 }
 
 /*