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Diffstat (limited to 'net/dccp/ipv4.c')
-rw-r--r--net/dccp/ipv4.c50
1 files changed, 28 insertions, 22 deletions
diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c
index 45a434f94169..ae451c6d83ba 100644
--- a/net/dccp/ipv4.c
+++ b/net/dccp/ipv4.c
@@ -43,9 +43,9 @@ int dccp_v4_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
struct inet_sock *inet = inet_sk(sk);
struct dccp_sock *dp = dccp_sk(sk);
const struct sockaddr_in *usin = (struct sockaddr_in *)uaddr;
+ __be16 orig_sport, orig_dport;
struct rtable *rt;
__be32 daddr, nexthop;
- int tmp;
int err;
dp->dccps_role = DCCP_ROLE_CLIENT;
@@ -63,12 +63,14 @@ int dccp_v4_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
nexthop = inet->opt->faddr;
}
- tmp = ip_route_connect(&rt, nexthop, inet->inet_saddr,
- RT_CONN_FLAGS(sk), sk->sk_bound_dev_if,
- IPPROTO_DCCP,
- inet->inet_sport, usin->sin_port, sk, 1);
- if (tmp < 0)
- return tmp;
+ orig_sport = inet->inet_sport;
+ orig_dport = usin->sin_port;
+ rt = ip_route_connect(nexthop, inet->inet_saddr,
+ RT_CONN_FLAGS(sk), sk->sk_bound_dev_if,
+ IPPROTO_DCCP,
+ orig_sport, orig_dport, sk, true);
+ if (IS_ERR(rt))
+ return PTR_ERR(rt);
if (rt->rt_flags & (RTCF_MULTICAST | RTCF_BROADCAST)) {
ip_rt_put(rt);
@@ -99,11 +101,13 @@ int dccp_v4_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
if (err != 0)
goto failure;
- err = ip_route_newports(&rt, IPPROTO_DCCP, inet->inet_sport,
- inet->inet_dport, sk);
- if (err != 0)
+ rt = ip_route_newports(rt, IPPROTO_DCCP,
+ orig_sport, orig_dport,
+ inet->inet_sport, inet->inet_dport, sk);
+ if (IS_ERR(rt)) {
+ rt = NULL;
goto failure;
-
+ }
/* OK, now commit destination to socket. */
sk_setup_caps(sk, &rt->dst);
@@ -461,17 +465,19 @@ static struct dst_entry* dccp_v4_route_skb(struct net *net, struct sock *sk,
struct sk_buff *skb)
{
struct rtable *rt;
- struct flowi fl = { .oif = skb_rtable(skb)->rt_iif,
- .fl4_dst = ip_hdr(skb)->saddr,
- .fl4_src = ip_hdr(skb)->daddr,
- .fl4_tos = RT_CONN_FLAGS(sk),
- .proto = sk->sk_protocol,
- .fl_ip_sport = dccp_hdr(skb)->dccph_dport,
- .fl_ip_dport = dccp_hdr(skb)->dccph_sport
- };
-
- security_skb_classify_flow(skb, &fl);
- if (ip_route_output_flow(net, &rt, &fl, sk, 0)) {
+ struct flowi4 fl4 = {
+ .flowi4_oif = skb_rtable(skb)->rt_iif,
+ .daddr = ip_hdr(skb)->saddr,
+ .saddr = ip_hdr(skb)->daddr,
+ .flowi4_tos = RT_CONN_FLAGS(sk),
+ .flowi4_proto = sk->sk_protocol,
+ .fl4_sport = dccp_hdr(skb)->dccph_dport,
+ .fl4_dport = dccp_hdr(skb)->dccph_sport,
+ };
+
+ security_skb_classify_flow(skb, flowi4_to_flowi(&fl4));
+ rt = ip_route_output_flow(net, &fl4, sk);
+ if (IS_ERR(rt)) {
IP_INC_STATS_BH(net, IPSTATS_MIB_OUTNOROUTES);
return NULL;
}