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-rw-r--r--net/ipv4/ip_gre.c5
-rw-r--r--net/ipv4/ip_output.c3
-rw-r--r--net/ipv4/ip_tunnel.c8
-rw-r--r--net/ipv4/ip_vti.c1
-rw-r--r--net/ipv4/netfilter/ipt_CLUSTERIP.c15
-rw-r--r--net/ipv4/netfilter/nf_socket_ipv4.c6
-rw-r--r--net/ipv4/ping.c7
-rw-r--r--net/ipv4/route.c144
-rw-r--r--net/ipv4/tcp.c3
-rw-r--r--net/ipv4/tcp_bbr.c4
-rw-r--r--net/ipv4/tcp_illinois.c2
-rw-r--r--net/ipv4/tcp_output.c7
-rw-r--r--net/ipv4/udp.c11
-rw-r--r--net/ipv4/xfrm4_policy.c1
14 files changed, 119 insertions, 98 deletions
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index 23e6d5532b5c..2459e9cc22a6 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -951,9 +951,6 @@ static void __gre_tunnel_init(struct net_device *dev)
t_hlen = tunnel->hlen + sizeof(struct iphdr);
- dev->needed_headroom = LL_MAX_HEADER + t_hlen + 4;
- dev->mtu = ETH_DATA_LEN - t_hlen - 4;
-
dev->features |= GRE_FEATURES;
dev->hw_features |= GRE_FEATURES;
@@ -1253,8 +1250,6 @@ static int erspan_tunnel_init(struct net_device *dev)
sizeof(struct erspanhdr);
t_hlen = tunnel->hlen + sizeof(struct iphdr);
- dev->needed_headroom = LL_MAX_HEADER + t_hlen + 4;
- dev->mtu = ETH_DATA_LEN - t_hlen - 4;
dev->features |= GRE_FEATURES;
dev->hw_features |= GRE_FEATURES;
dev->priv_flags |= IFF_LIVE_ADDR_CHANGE;
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index e8e675be60ec..63d5d66e040a 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -1040,7 +1040,8 @@ alloc_new_skb:
if (copy > length)
copy = length;
- if (!(rt->dst.dev->features&NETIF_F_SG)) {
+ if (!(rt->dst.dev->features&NETIF_F_SG) &&
+ skb_tailroom(skb) >= copy) {
unsigned int off;
off = skb->len;
diff --git a/net/ipv4/ip_tunnel.c b/net/ipv4/ip_tunnel.c
index a2fcc20774a6..4784f3f36b7e 100644
--- a/net/ipv4/ip_tunnel.c
+++ b/net/ipv4/ip_tunnel.c
@@ -1103,8 +1103,14 @@ int ip_tunnel_newlink(struct net_device *dev, struct nlattr *tb[],
eth_hw_addr_random(dev);
mtu = ip_tunnel_bind_dev(dev);
- if (!tb[IFLA_MTU])
+ if (tb[IFLA_MTU]) {
+ unsigned int max = 0xfff8 - dev->hard_header_len - nt->hlen;
+
+ dev->mtu = clamp(dev->mtu, (unsigned int)ETH_MIN_MTU,
+ (unsigned int)(max - sizeof(struct iphdr)));
+ } else {
dev->mtu = mtu;
+ }
ip_tunnel_add(itn, nt);
out:
diff --git a/net/ipv4/ip_vti.c b/net/ipv4/ip_vti.c
index c9cd891f69c2..00d4371d4573 100644
--- a/net/ipv4/ip_vti.c
+++ b/net/ipv4/ip_vti.c
@@ -396,7 +396,6 @@ static int vti_tunnel_init(struct net_device *dev)
memcpy(dev->dev_addr, &iph->saddr, 4);
memcpy(dev->broadcast, &iph->daddr, 4);
- dev->hard_header_len = LL_MAX_HEADER + sizeof(struct iphdr);
dev->mtu = ETH_DATA_LEN;
dev->flags = IFF_NOARP;
dev->addr_len = 4;
diff --git a/net/ipv4/netfilter/ipt_CLUSTERIP.c b/net/ipv4/netfilter/ipt_CLUSTERIP.c
index c07e9db95ccc..cc7c9d67ac19 100644
--- a/net/ipv4/netfilter/ipt_CLUSTERIP.c
+++ b/net/ipv4/netfilter/ipt_CLUSTERIP.c
@@ -228,7 +228,6 @@ clusterip_config_init(struct net *net, const struct ipt_clusterip_tgt_info *i,
c->hash_mode = i->hash_mode;
c->hash_initval = i->hash_initval;
refcount_set(&c->refcount, 1);
- refcount_set(&c->entries, 1);
spin_lock_bh(&cn->lock);
if (__clusterip_config_find(net, ip)) {
@@ -259,8 +258,10 @@ clusterip_config_init(struct net *net, const struct ipt_clusterip_tgt_info *i,
c->notifier.notifier_call = clusterip_netdev_event;
err = register_netdevice_notifier(&c->notifier);
- if (!err)
+ if (!err) {
+ refcount_set(&c->entries, 1);
return c;
+ }
#ifdef CONFIG_PROC_FS
proc_remove(c->pde);
@@ -269,7 +270,7 @@ err:
spin_lock_bh(&cn->lock);
list_del_rcu(&c->list);
spin_unlock_bh(&cn->lock);
- kfree(c);
+ clusterip_config_put(c);
return ERR_PTR(err);
}
@@ -492,12 +493,15 @@ static int clusterip_tg_check(const struct xt_tgchk_param *par)
return PTR_ERR(config);
}
}
- cipinfo->config = config;
ret = nf_ct_netns_get(par->net, par->family);
- if (ret < 0)
+ if (ret < 0) {
pr_info("cannot load conntrack support for proto=%u\n",
par->family);
+ clusterip_config_entry_put(par->net, config);
+ clusterip_config_put(config);
+ return ret;
+ }
if (!par->net->xt.clusterip_deprecated_warning) {
pr_info("ipt_CLUSTERIP is deprecated and it will removed soon, "
@@ -505,6 +509,7 @@ static int clusterip_tg_check(const struct xt_tgchk_param *par)
par->net->xt.clusterip_deprecated_warning = true;
}
+ cipinfo->config = config;
return ret;
}
diff --git a/net/ipv4/netfilter/nf_socket_ipv4.c b/net/ipv4/netfilter/nf_socket_ipv4.c
index e9293bdebba0..4824b1e183a1 100644
--- a/net/ipv4/netfilter/nf_socket_ipv4.c
+++ b/net/ipv4/netfilter/nf_socket_ipv4.c
@@ -108,10 +108,12 @@ struct sock *nf_sk_lookup_slow_v4(struct net *net, const struct sk_buff *skb,
int doff = 0;
if (iph->protocol == IPPROTO_UDP || iph->protocol == IPPROTO_TCP) {
- struct udphdr _hdr, *hp;
+ struct tcphdr _hdr;
+ struct udphdr *hp;
hp = skb_header_pointer(skb, ip_hdrlen(skb),
- sizeof(_hdr), &_hdr);
+ iph->protocol == IPPROTO_UDP ?
+ sizeof(*hp) : sizeof(_hdr), &_hdr);
if (hp == NULL)
return NULL;
diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c
index b8f0db54b197..16226d49263d 100644
--- a/net/ipv4/ping.c
+++ b/net/ipv4/ping.c
@@ -775,8 +775,10 @@ static int ping_v4_sendmsg(struct sock *sk, struct msghdr *msg, size_t len)
ipc.addr = faddr = daddr;
if (ipc.opt && ipc.opt->opt.srr) {
- if (!daddr)
- return -EINVAL;
+ if (!daddr) {
+ err = -EINVAL;
+ goto out_free;
+ }
faddr = ipc.opt->opt.faddr;
}
tos = get_rttos(&ipc, inet);
@@ -842,6 +844,7 @@ back_from_confirm:
out:
ip_rt_put(rt);
+out_free:
if (free)
kfree(ipc.opt);
if (!err) {
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 5ea559f8c456..7afa8d2463d8 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -639,6 +639,7 @@ static inline u32 fnhe_hashfun(__be32 daddr)
static void fill_route_from_fnhe(struct rtable *rt, struct fib_nh_exception *fnhe)
{
rt->rt_pmtu = fnhe->fnhe_pmtu;
+ rt->rt_mtu_locked = fnhe->fnhe_mtu_locked;
rt->dst.expires = fnhe->fnhe_expires;
if (fnhe->fnhe_gw) {
@@ -649,7 +650,7 @@ static void fill_route_from_fnhe(struct rtable *rt, struct fib_nh_exception *fnh
}
static void update_or_create_fnhe(struct fib_nh *nh, __be32 daddr, __be32 gw,
- u32 pmtu, unsigned long expires)
+ u32 pmtu, bool lock, unsigned long expires)
{
struct fnhe_hash_bucket *hash;
struct fib_nh_exception *fnhe;
@@ -686,8 +687,10 @@ static void update_or_create_fnhe(struct fib_nh *nh, __be32 daddr, __be32 gw,
fnhe->fnhe_genid = genid;
if (gw)
fnhe->fnhe_gw = gw;
- if (pmtu)
+ if (pmtu) {
fnhe->fnhe_pmtu = pmtu;
+ fnhe->fnhe_mtu_locked = lock;
+ }
fnhe->fnhe_expires = max(1UL, expires);
/* Update all cached dsts too */
rt = rcu_dereference(fnhe->fnhe_rth_input);
@@ -711,7 +714,8 @@ static void update_or_create_fnhe(struct fib_nh *nh, __be32 daddr, __be32 gw,
fnhe->fnhe_daddr = daddr;
fnhe->fnhe_gw = gw;
fnhe->fnhe_pmtu = pmtu;
- fnhe->fnhe_expires = expires;
+ fnhe->fnhe_mtu_locked = lock;
+ fnhe->fnhe_expires = max(1UL, expires);
/* Exception created; mark the cached routes for the nexthop
* stale, so anyone caching it rechecks if this exception
@@ -792,7 +796,8 @@ static void __ip_do_redirect(struct rtable *rt, struct sk_buff *skb, struct flow
struct fib_nh *nh = &FIB_RES_NH(res);
update_or_create_fnhe(nh, fl4->daddr, new_gw,
- 0, jiffies + ip_rt_gc_timeout);
+ 0, false,
+ jiffies + ip_rt_gc_timeout);
}
if (kill_route)
rt->dst.obsolete = DST_OBSOLETE_KILL;
@@ -1005,15 +1010,18 @@ static void __ip_rt_update_pmtu(struct rtable *rt, struct flowi4 *fl4, u32 mtu)
{
struct dst_entry *dst = &rt->dst;
struct fib_result res;
+ bool lock = false;
- if (dst_metric_locked(dst, RTAX_MTU))
+ if (ip_mtu_locked(dst))
return;
if (ipv4_mtu(dst) < mtu)
return;
- if (mtu < ip_rt_min_pmtu)
+ if (mtu < ip_rt_min_pmtu) {
+ lock = true;
mtu = ip_rt_min_pmtu;
+ }
if (rt->rt_pmtu == mtu &&
time_before(jiffies, dst->expires - ip_rt_mtu_expires / 2))
@@ -1023,7 +1031,7 @@ static void __ip_rt_update_pmtu(struct rtable *rt, struct flowi4 *fl4, u32 mtu)
if (fib_lookup(dev_net(dst->dev), fl4, &res, 0) == 0) {
struct fib_nh *nh = &FIB_RES_NH(res);
- update_or_create_fnhe(nh, fl4->daddr, 0, mtu,
+ update_or_create_fnhe(nh, fl4->daddr, 0, mtu, lock,
jiffies + ip_rt_mtu_expires);
}
rcu_read_unlock();
@@ -1276,7 +1284,7 @@ static unsigned int ipv4_mtu(const struct dst_entry *dst)
mtu = READ_ONCE(dst->dev->mtu);
- if (unlikely(dst_metric_locked(dst, RTAX_MTU))) {
+ if (unlikely(ip_mtu_locked(dst))) {
if (rt->rt_uses_gateway && mtu > 576)
mtu = 576;
}
@@ -1286,6 +1294,36 @@ static unsigned int ipv4_mtu(const struct dst_entry *dst)
return mtu - lwtunnel_headroom(dst->lwtstate, mtu);
}
+static void ip_del_fnhe(struct fib_nh *nh, __be32 daddr)
+{
+ struct fnhe_hash_bucket *hash;
+ struct fib_nh_exception *fnhe, __rcu **fnhe_p;
+ u32 hval = fnhe_hashfun(daddr);
+
+ spin_lock_bh(&fnhe_lock);
+
+ hash = rcu_dereference_protected(nh->nh_exceptions,
+ lockdep_is_held(&fnhe_lock));
+ hash += hval;
+
+ fnhe_p = &hash->chain;
+ fnhe = rcu_dereference_protected(*fnhe_p, lockdep_is_held(&fnhe_lock));
+ while (fnhe) {
+ if (fnhe->fnhe_daddr == daddr) {
+ rcu_assign_pointer(*fnhe_p, rcu_dereference_protected(
+ fnhe->fnhe_next, lockdep_is_held(&fnhe_lock)));
+ fnhe_flush_routes(fnhe);
+ kfree_rcu(fnhe, rcu);
+ break;
+ }
+ fnhe_p = &fnhe->fnhe_next;
+ fnhe = rcu_dereference_protected(fnhe->fnhe_next,
+ lockdep_is_held(&fnhe_lock));
+ }
+
+ spin_unlock_bh(&fnhe_lock);
+}
+
static struct fib_nh_exception *find_exception(struct fib_nh *nh, __be32 daddr)
{
struct fnhe_hash_bucket *hash = rcu_dereference(nh->nh_exceptions);
@@ -1299,8 +1337,14 @@ static struct fib_nh_exception *find_exception(struct fib_nh *nh, __be32 daddr)
for (fnhe = rcu_dereference(hash[hval].chain); fnhe;
fnhe = rcu_dereference(fnhe->fnhe_next)) {
- if (fnhe->fnhe_daddr == daddr)
+ if (fnhe->fnhe_daddr == daddr) {
+ if (fnhe->fnhe_expires &&
+ time_after(jiffies, fnhe->fnhe_expires)) {
+ ip_del_fnhe(nh, daddr);
+ break;
+ }
return fnhe;
+ }
}
return NULL;
}
@@ -1512,6 +1556,7 @@ struct rtable *rt_dst_alloc(struct net_device *dev,
rt->rt_is_input = 0;
rt->rt_iif = 0;
rt->rt_pmtu = 0;
+ rt->rt_mtu_locked = 0;
rt->rt_gateway = 0;
rt->rt_uses_gateway = 0;
rt->rt_table_id = 0;
@@ -1620,36 +1665,6 @@ static void ip_handle_martian_source(struct net_device *dev,
#endif
}
-static void ip_del_fnhe(struct fib_nh *nh, __be32 daddr)
-{
- struct fnhe_hash_bucket *hash;
- struct fib_nh_exception *fnhe, __rcu **fnhe_p;
- u32 hval = fnhe_hashfun(daddr);
-
- spin_lock_bh(&fnhe_lock);
-
- hash = rcu_dereference_protected(nh->nh_exceptions,
- lockdep_is_held(&fnhe_lock));
- hash += hval;
-
- fnhe_p = &hash->chain;
- fnhe = rcu_dereference_protected(*fnhe_p, lockdep_is_held(&fnhe_lock));
- while (fnhe) {
- if (fnhe->fnhe_daddr == daddr) {
- rcu_assign_pointer(*fnhe_p, rcu_dereference_protected(
- fnhe->fnhe_next, lockdep_is_held(&fnhe_lock)));
- fnhe_flush_routes(fnhe);
- kfree_rcu(fnhe, rcu);
- break;
- }
- fnhe_p = &fnhe->fnhe_next;
- fnhe = rcu_dereference_protected(fnhe->fnhe_next,
- lockdep_is_held(&fnhe_lock));
- }
-
- spin_unlock_bh(&fnhe_lock);
-}
-
static void set_lwt_redirect(struct rtable *rth)
{
if (lwtunnel_output_redirect(rth->dst.lwtstate)) {
@@ -1716,20 +1731,10 @@ static int __mkroute_input(struct sk_buff *skb,
fnhe = find_exception(&FIB_RES_NH(*res), daddr);
if (do_cache) {
- if (fnhe) {
+ if (fnhe)
rth = rcu_dereference(fnhe->fnhe_rth_input);
- if (rth && rth->dst.expires &&
- time_after(jiffies, rth->dst.expires)) {
- ip_del_fnhe(&FIB_RES_NH(*res), daddr);
- fnhe = NULL;
- } else {
- goto rt_cache;
- }
- }
-
- rth = rcu_dereference(FIB_RES_NH(*res).nh_rth_input);
-
-rt_cache:
+ else
+ rth = rcu_dereference(FIB_RES_NH(*res).nh_rth_input);
if (rt_cache_valid(rth)) {
skb_dst_set_noref(skb, &rth->dst);
goto out;
@@ -2206,39 +2211,31 @@ static struct rtable *__mkroute_output(const struct fib_result *res,
* the loopback interface and the IP_PKTINFO ipi_ifindex will
* be set to the loopback interface as well.
*/
- fi = NULL;
+ do_cache = false;
}
fnhe = NULL;
do_cache &= fi != NULL;
- if (do_cache) {
+ if (fi) {
struct rtable __rcu **prth;
struct fib_nh *nh = &FIB_RES_NH(*res);
fnhe = find_exception(nh, fl4->daddr);
+ if (!do_cache)
+ goto add;
if (fnhe) {
prth = &fnhe->fnhe_rth_output;
- rth = rcu_dereference(*prth);
- if (rth && rth->dst.expires &&
- time_after(jiffies, rth->dst.expires)) {
- ip_del_fnhe(nh, fl4->daddr);
- fnhe = NULL;
- } else {
- goto rt_cache;
+ } else {
+ if (unlikely(fl4->flowi4_flags &
+ FLOWI_FLAG_KNOWN_NH &&
+ !(nh->nh_gw &&
+ nh->nh_scope == RT_SCOPE_LINK))) {
+ do_cache = false;
+ goto add;
}
+ prth = raw_cpu_ptr(nh->nh_pcpu_rth_output);
}
-
- if (unlikely(fl4->flowi4_flags &
- FLOWI_FLAG_KNOWN_NH &&
- !(nh->nh_gw &&
- nh->nh_scope == RT_SCOPE_LINK))) {
- do_cache = false;
- goto add;
- }
- prth = raw_cpu_ptr(nh->nh_pcpu_rth_output);
rth = rcu_dereference(*prth);
-
-rt_cache:
if (rt_cache_valid(rth) && dst_hold_safe(&rth->dst))
return rth;
}
@@ -2538,6 +2535,7 @@ struct dst_entry *ipv4_blackhole_route(struct net *net, struct dst_entry *dst_or
rt->rt_is_input = ort->rt_is_input;
rt->rt_iif = ort->rt_iif;
rt->rt_pmtu = ort->rt_pmtu;
+ rt->rt_mtu_locked = ort->rt_mtu_locked;
rt->rt_genid = rt_genid_ipv4(net);
rt->rt_flags = ort->rt_flags;
@@ -2640,6 +2638,8 @@ static int rt_fill_info(struct net *net, __be32 dst, __be32 src, u32 table_id,
memcpy(metrics, dst_metrics_ptr(&rt->dst), sizeof(metrics));
if (rt->rt_pmtu && expires)
metrics[RTAX_MTU - 1] = rt->rt_pmtu;
+ if (rt->rt_mtu_locked && expires)
+ metrics[RTAX_LOCK - 1] |= BIT(RTAX_MTU);
if (rtnetlink_put_metrics(skb, metrics) < 0)
goto nla_put_failure;
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index b694fbf44a35..e3ece12f0250 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -1194,7 +1194,8 @@ int tcp_sendmsg_locked(struct sock *sk, struct msghdr *msg, size_t size)
uarg->zerocopy = 0;
}
- if (unlikely(flags & MSG_FASTOPEN || inet_sk(sk)->defer_connect)) {
+ if (unlikely(flags & MSG_FASTOPEN || inet_sk(sk)->defer_connect) &&
+ !tp->repair) {
err = tcp_sendmsg_fastopen(sk, msg, &copied_syn, size);
if (err == -EINPROGRESS && copied_syn > 0)
goto out;
diff --git a/net/ipv4/tcp_bbr.c b/net/ipv4/tcp_bbr.c
index 25c5a0b60cfc..9a0b952dd09b 100644
--- a/net/ipv4/tcp_bbr.c
+++ b/net/ipv4/tcp_bbr.c
@@ -802,7 +802,9 @@ static void bbr_update_min_rtt(struct sock *sk, const struct rate_sample *rs)
}
}
}
- bbr->idle_restart = 0;
+ /* Restart after idle ends only once we process a new S/ACK for data */
+ if (rs->delivered > 0)
+ bbr->idle_restart = 0;
}
static void bbr_update_model(struct sock *sk, const struct rate_sample *rs)
diff --git a/net/ipv4/tcp_illinois.c b/net/ipv4/tcp_illinois.c
index 7c843578f233..faddf4f9a707 100644
--- a/net/ipv4/tcp_illinois.c
+++ b/net/ipv4/tcp_illinois.c
@@ -6,7 +6,7 @@
* The algorithm is described in:
* "TCP-Illinois: A Loss and Delay-Based Congestion Control Algorithm
* for High-Speed Networks"
- * http://www.ifp.illinois.edu/~srikant/Papers/liubassri06perf.pdf
+ * http://tamerbasar.csl.illinois.edu/LiuBasarSrikantPerfEvalArtJun2008.pdf
*
* Implemented from description in paper and ns-2 simulation.
* Copyright (C) 2007 Stephen Hemminger <shemminger@linux-foundation.org>
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 83d11cd2eb65..abae5196cd3a 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -2814,8 +2814,10 @@ int __tcp_retransmit_skb(struct sock *sk, struct sk_buff *skb, int segs)
return -EBUSY;
if (before(TCP_SKB_CB(skb)->seq, tp->snd_una)) {
- if (before(TCP_SKB_CB(skb)->end_seq, tp->snd_una))
- BUG();
+ if (unlikely(before(TCP_SKB_CB(skb)->end_seq, tp->snd_una))) {
+ WARN_ON_ONCE(1);
+ return -EINVAL;
+ }
if (tcp_trim_head(sk, skb, tp->snd_una - TCP_SKB_CB(skb)->seq))
return -ENOMEM;
}
@@ -3312,6 +3314,7 @@ static void tcp_connect_init(struct sock *sk)
sock_reset_flag(sk, SOCK_DONE);
tp->snd_wnd = 0;
tcp_init_wl(tp, 0);
+ tcp_write_queue_purge(sk);
tp->snd_una = tp->write_seq;
tp->snd_sml = tp->write_seq;
tp->snd_up = tp->write_seq;
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index c79fa6f6b758..b0ad62bd38f7 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -413,9 +413,9 @@ static int compute_score(struct sock *sk, struct net *net,
bool dev_match = (sk->sk_bound_dev_if == dif ||
sk->sk_bound_dev_if == sdif);
- if (exact_dif && !dev_match)
+ if (!dev_match)
return -1;
- if (sk->sk_bound_dev_if && dev_match)
+ if (sk->sk_bound_dev_if)
score += 4;
}
@@ -978,8 +978,10 @@ int udp_sendmsg(struct sock *sk, struct msghdr *msg, size_t len)
sock_tx_timestamp(sk, ipc.sockc.tsflags, &ipc.tx_flags);
if (ipc.opt && ipc.opt->opt.srr) {
- if (!daddr)
- return -EINVAL;
+ if (!daddr) {
+ err = -EINVAL;
+ goto out_free;
+ }
faddr = ipc.opt->opt.faddr;
connected = 0;
}
@@ -1087,6 +1089,7 @@ do_append_data:
out:
ip_rt_put(rt);
+out_free:
if (free)
kfree(ipc.opt);
if (!err)
diff --git a/net/ipv4/xfrm4_policy.c b/net/ipv4/xfrm4_policy.c
index 05017e2c849c..4b586e7d5637 100644
--- a/net/ipv4/xfrm4_policy.c
+++ b/net/ipv4/xfrm4_policy.c
@@ -100,6 +100,7 @@ static int xfrm4_fill_dst(struct xfrm_dst *xdst, struct net_device *dev,
xdst->u.rt.rt_gateway = rt->rt_gateway;
xdst->u.rt.rt_uses_gateway = rt->rt_uses_gateway;
xdst->u.rt.rt_pmtu = rt->rt_pmtu;
+ xdst->u.rt.rt_mtu_locked = rt->rt_mtu_locked;
xdst->u.rt.rt_table_id = rt->rt_table_id;
INIT_LIST_HEAD(&xdst->u.rt.rt_uncached);
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-30 15:42:20 +0000