Fix compilation for centos 6

`struct proto.rehash' for UDP sockets is introduced only since 2.6.36. Reported by ice0 and yura-mdj. Fixes: 52e9ca4 ("Fix bind to network device.")
aabc · May 15, 2019 · 779c6bd · 779c6bd
1 parent 8e375f2
commit 779c6bd
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/ipt_NETFLOW.c b/ipt_NETFLOW.c
@@ -1944,8 +1944,10 @@ static struct socket *usock_open_sock(struct ipt_netflow_sock *usock)
 
 			/* SO_BINDTOIFINDEX */
 			sk->sk_bound_dev_if = dev->ifindex;
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36)
 			if (sk->sk_prot->rehash)
 				sk->sk_prot->rehash(sk);
+#endif
 			sk_dst_reset(sk);
 			dev_put(dev);
 		} else {