diff options
Diffstat (limited to 'net/ipv4')
| -rw-r--r-- | net/ipv4/af_inet.c | 8 | ||||
| -rw-r--r-- | net/ipv4/sysctl_net_ipv4.c | 4 | ||||
| -rw-r--r-- | net/ipv4/udp.c | 10 |
3 files changed, 13 insertions, 9 deletions
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c index 377424ea17a4..d39e9e47a26e 100644 --- a/net/ipv4/af_inet.c +++ b/net/ipv4/af_inet.c @@ -1681,6 +1681,14 @@ static __net_init int inet_init_net(struct net *net) */ net->ipv4.ping_group_range.range[0] = make_kgid(&init_user_ns, 1); net->ipv4.ping_group_range.range[1] = make_kgid(&init_user_ns, 0); + + /* Default values for sysctl-controlled parameters. + * We set them here, in case sysctl is not compiled. + */ + net->ipv4.sysctl_ip_default_ttl = IPDEFTTL; + net->ipv4.sysctl_ip_dynaddr = 0; + net->ipv4.sysctl_ip_early_demux = 1; + return 0; } diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c index bb0419582b8d..1cb67de106fe 100644 --- a/net/ipv4/sysctl_net_ipv4.c +++ b/net/ipv4/sysctl_net_ipv4.c @@ -999,10 +999,6 @@ static __net_init int ipv4_sysctl_init_net(struct net *net) if (!net->ipv4.sysctl_local_reserved_ports) goto err_ports; - net->ipv4.sysctl_ip_default_ttl = IPDEFTTL; - net->ipv4.sysctl_ip_dynaddr = 0; - net->ipv4.sysctl_ip_early_demux = 1; - return 0; err_ports: diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index d56c0559b477..0ff31d97d485 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -1618,12 +1618,12 @@ int udp_queue_rcv_skb(struct sock *sk, struct sk_buff *skb) } } - if (rcu_access_pointer(sk->sk_filter)) { - if (udp_lib_checksum_complete(skb)) + if (rcu_access_pointer(sk->sk_filter) && + udp_lib_checksum_complete(skb)) goto csum_error; - if (sk_filter(sk, skb)) - goto drop; - } + + if (sk_filter(sk, skb)) + goto drop; udp_csum_pull_header(skb); if (sk_rcvqueues_full(sk, sk->sk_rcvbuf)) { |