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Subject[PATCH 5.3 14/25] net: ipv6: add net argument to ip6_dst_lookup_flow
Date
From: Sabrina Dubroca <sd@queasysnail.net>

[ Upstream commit c4e85f73afb6384123e5ef1bba3315b2e3ad031e ]

This will be used in the conversion of ipv6_stub to ip6_dst_lookup_flow,
as some modules currently pass a net argument without a socket to
ip6_dst_lookup. This is equivalent to commit 343d60aada5a ("ipv6: change
ipv6_stub_impl.ipv6_dst_lookup to take net argument").

Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
include/net/ipv6.h | 2 +-
net/dccp/ipv6.c | 6 +++---
net/ipv6/af_inet6.c | 2 +-
net/ipv6/datagram.c | 2 +-
net/ipv6/inet6_connection_sock.c | 4 ++--
net/ipv6/ip6_output.c | 8 ++++----
net/ipv6/raw.c | 2 +-
net/ipv6/syncookies.c | 2 +-
net/ipv6/tcp_ipv6.c | 4 ++--
net/l2tp/l2tp_ip6.c | 2 +-
net/sctp/ipv6.c | 4 ++--
11 files changed, 19 insertions(+), 19 deletions(-)

--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -1017,7 +1017,7 @@ static inline struct sk_buff *ip6_finish

int ip6_dst_lookup(struct net *net, struct sock *sk, struct dst_entry **dst,
struct flowi6 *fl6);
-struct dst_entry *ip6_dst_lookup_flow(const struct sock *sk, struct flowi6 *fl6,
+struct dst_entry *ip6_dst_lookup_flow(struct net *net, const struct sock *sk, struct flowi6 *fl6,
const struct in6_addr *final_dst);
struct dst_entry *ip6_sk_dst_lookup_flow(struct sock *sk, struct flowi6 *fl6,
const struct in6_addr *final_dst,
--- a/net/dccp/ipv6.c
+++ b/net/dccp/ipv6.c
@@ -210,7 +210,7 @@ static int dccp_v6_send_response(const s
final_p = fl6_update_dst(&fl6, rcu_dereference(np->opt), &final);
rcu_read_unlock();

- dst = ip6_dst_lookup_flow(sk, &fl6, final_p);
+ dst = ip6_dst_lookup_flow(sock_net(sk), sk, &fl6, final_p);
if (IS_ERR(dst)) {
err = PTR_ERR(dst);
dst = NULL;
@@ -281,7 +281,7 @@ static void dccp_v6_ctl_send_reset(const
security_skb_classify_flow(rxskb, flowi6_to_flowi(&fl6));

/* sk = NULL, but it is safe for now. RST socket required. */
- dst = ip6_dst_lookup_flow(ctl_sk, &fl6, NULL);
+ dst = ip6_dst_lookup_flow(sock_net(ctl_sk), ctl_sk, &fl6, NULL);
if (!IS_ERR(dst)) {
skb_dst_set(skb, dst);
ip6_xmit(ctl_sk, skb, &fl6, 0, NULL, 0);
@@ -911,7 +911,7 @@ static int dccp_v6_connect(struct sock *
opt = rcu_dereference_protected(np->opt, lockdep_sock_is_held(sk));
final_p = fl6_update_dst(&fl6, opt, &final);

- dst = ip6_dst_lookup_flow(sk, &fl6, final_p);
+ dst = ip6_dst_lookup_flow(sock_net(sk), sk, &fl6, final_p);
if (IS_ERR(dst)) {
err = PTR_ERR(dst);
goto failure;
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -765,7 +765,7 @@ int inet6_sk_rebuild_header(struct sock
&final);
rcu_read_unlock();

- dst = ip6_dst_lookup_flow(sk, &fl6, final_p);
+ dst = ip6_dst_lookup_flow(sock_net(sk), sk, &fl6, final_p);
if (IS_ERR(dst)) {
sk->sk_route_caps = 0;
sk->sk_err_soft = -PTR_ERR(dst);
--- a/net/ipv6/datagram.c
+++ b/net/ipv6/datagram.c
@@ -85,7 +85,7 @@ int ip6_datagram_dst_update(struct sock
final_p = fl6_update_dst(&fl6, opt, &final);
rcu_read_unlock();

- dst = ip6_dst_lookup_flow(sk, &fl6, final_p);
+ dst = ip6_dst_lookup_flow(sock_net(sk), sk, &fl6, final_p);
if (IS_ERR(dst)) {
err = PTR_ERR(dst);
goto out;
--- a/net/ipv6/inet6_connection_sock.c
+++ b/net/ipv6/inet6_connection_sock.c
@@ -48,7 +48,7 @@ struct dst_entry *inet6_csk_route_req(co
fl6->flowi6_uid = sk->sk_uid;
security_req_classify_flow(req, flowi6_to_flowi(fl6));

- dst = ip6_dst_lookup_flow(sk, fl6, final_p);
+ dst = ip6_dst_lookup_flow(sock_net(sk), sk, fl6, final_p);
if (IS_ERR(dst))
return NULL;

@@ -103,7 +103,7 @@ static struct dst_entry *inet6_csk_route

dst = __inet6_csk_dst_check(sk, np->dst_cookie);
if (!dst) {
- dst = ip6_dst_lookup_flow(sk, fl6, final_p);
+ dst = ip6_dst_lookup_flow(sock_net(sk), sk, fl6, final_p);

if (!IS_ERR(dst))
ip6_dst_store(sk, dst, NULL, NULL);
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -1144,19 +1144,19 @@ EXPORT_SYMBOL_GPL(ip6_dst_lookup);
* It returns a valid dst pointer on success, or a pointer encoded
* error code.
*/
-struct dst_entry *ip6_dst_lookup_flow(const struct sock *sk, struct flowi6 *fl6,
+struct dst_entry *ip6_dst_lookup_flow(struct net *net, const struct sock *sk, struct flowi6 *fl6,
const struct in6_addr *final_dst)
{
struct dst_entry *dst = NULL;
int err;

- err = ip6_dst_lookup_tail(sock_net(sk), sk, &dst, fl6);
+ err = ip6_dst_lookup_tail(net, sk, &dst, fl6);
if (err)
return ERR_PTR(err);
if (final_dst)
fl6->daddr = *final_dst;

- return xfrm_lookup_route(sock_net(sk), dst, flowi6_to_flowi(fl6), sk, 0);
+ return xfrm_lookup_route(net, dst, flowi6_to_flowi(fl6), sk, 0);
}
EXPORT_SYMBOL_GPL(ip6_dst_lookup_flow);

@@ -1188,7 +1188,7 @@ struct dst_entry *ip6_sk_dst_lookup_flow
if (dst)
return dst;

- dst = ip6_dst_lookup_flow(sk, fl6, final_dst);
+ dst = ip6_dst_lookup_flow(sock_net(sk), sk, fl6, final_dst);
if (connected && !IS_ERR(dst))
ip6_sk_dst_store_flow(sk, dst_clone(dst), fl6);

--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -923,7 +923,7 @@ static int rawv6_sendmsg(struct sock *sk

fl6.flowlabel = ip6_make_flowinfo(ipc6.tclass, fl6.flowlabel);

- dst = ip6_dst_lookup_flow(sk, &fl6, final_p);
+ dst = ip6_dst_lookup_flow(sock_net(sk), sk, &fl6, final_p);
if (IS_ERR(dst)) {
err = PTR_ERR(dst);
goto out;
--- a/net/ipv6/syncookies.c
+++ b/net/ipv6/syncookies.c
@@ -235,7 +235,7 @@ struct sock *cookie_v6_check(struct sock
fl6.flowi6_uid = sk->sk_uid;
security_req_classify_flow(req, flowi6_to_flowi(&fl6));

- dst = ip6_dst_lookup_flow(sk, &fl6, final_p);
+ dst = ip6_dst_lookup_flow(sock_net(sk), sk, &fl6, final_p);
if (IS_ERR(dst))
goto out_free;
}
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -275,7 +275,7 @@ static int tcp_v6_connect(struct sock *s

security_sk_classify_flow(sk, flowi6_to_flowi(&fl6));

- dst = ip6_dst_lookup_flow(sk, &fl6, final_p);
+ dst = ip6_dst_lookup_flow(sock_net(sk), sk, &fl6, final_p);
if (IS_ERR(dst)) {
err = PTR_ERR(dst);
goto failure;
@@ -904,7 +904,7 @@ static void tcp_v6_send_response(const s
* Underlying function will use this to retrieve the network
* namespace
*/
- dst = ip6_dst_lookup_flow(ctl_sk, &fl6, NULL);
+ dst = ip6_dst_lookup_flow(sock_net(ctl_sk), ctl_sk, &fl6, NULL);
if (!IS_ERR(dst)) {
skb_dst_set(buff, dst);
ip6_xmit(ctl_sk, buff, &fl6, fl6.flowi6_mark, NULL, tclass);
--- a/net/l2tp/l2tp_ip6.c
+++ b/net/l2tp/l2tp_ip6.c
@@ -615,7 +615,7 @@ static int l2tp_ip6_sendmsg(struct sock

fl6.flowlabel = ip6_make_flowinfo(ipc6.tclass, fl6.flowlabel);

- dst = ip6_dst_lookup_flow(sk, &fl6, final_p);
+ dst = ip6_dst_lookup_flow(sock_net(sk), sk, &fl6, final_p);
if (IS_ERR(dst)) {
err = PTR_ERR(dst);
goto out;
--- a/net/sctp/ipv6.c
+++ b/net/sctp/ipv6.c
@@ -275,7 +275,7 @@ static void sctp_v6_get_dst(struct sctp_
final_p = fl6_update_dst(fl6, rcu_dereference(np->opt), &final);
rcu_read_unlock();

- dst = ip6_dst_lookup_flow(sk, fl6, final_p);
+ dst = ip6_dst_lookup_flow(sock_net(sk), sk, fl6, final_p);
if (!asoc || saddr)
goto out;

@@ -328,7 +328,7 @@ static void sctp_v6_get_dst(struct sctp_
fl6->saddr = laddr->a.v6.sin6_addr;
fl6->fl6_sport = laddr->a.v6.sin6_port;
final_p = fl6_update_dst(fl6, rcu_dereference(np->opt), &final);
- bdst = ip6_dst_lookup_flow(sk, fl6, final_p);
+ bdst = ip6_dst_lookup_flow(sock_net(sk), sk, fl6, final_p);

if (IS_ERR(bdst))
continue;

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