6.6-stable review patch. If anyone has any objections, please let me know.
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From: Eric Dumazet edumazet@google.com
[ Upstream commit 661cd8fc8e9039819ca0c22e0add52b632240a9e ]
All callers of inet_getpeer_v4() and inet_getpeer_v6() want to create an inetpeer.
Signed-off-by: Eric Dumazet edumazet@google.com Link: https://patch.msgid.link/20241215175629.1248773-2-edumazet@google.com Signed-off-by: Jakub Kicinski kuba@kernel.org Stable-dep-of: a853c609504e ("inetpeer: do not get a refcount in inet_getpeer()") Signed-off-by: Sasha Levin sashal@kernel.org --- include/net/inetpeer.h | 9 ++++----- net/ipv4/icmp.c | 2 +- net/ipv4/ip_fragment.c | 2 +- net/ipv4/route.c | 4 ++-- net/ipv6/icmp.c | 2 +- net/ipv6/ip6_output.c | 2 +- net/ipv6/ndisc.c | 2 +- 7 files changed, 11 insertions(+), 12 deletions(-)
diff --git a/include/net/inetpeer.h b/include/net/inetpeer.h index 74ff688568a0c..6f51f81d6cb19 100644 --- a/include/net/inetpeer.h +++ b/include/net/inetpeer.h @@ -101,25 +101,24 @@ struct inet_peer *inet_getpeer(struct inet_peer_base *base,
static inline struct inet_peer *inet_getpeer_v4(struct inet_peer_base *base, __be32 v4daddr, - int vif, int create) + int vif) { struct inetpeer_addr daddr;
daddr.a4.addr = v4daddr; daddr.a4.vif = vif; daddr.family = AF_INET; - return inet_getpeer(base, &daddr, create); + return inet_getpeer(base, &daddr, 1); }
static inline struct inet_peer *inet_getpeer_v6(struct inet_peer_base *base, - const struct in6_addr *v6daddr, - int create) + const struct in6_addr *v6daddr) { struct inetpeer_addr daddr;
daddr.a6 = *v6daddr; daddr.family = AF_INET6; - return inet_getpeer(base, &daddr, create); + return inet_getpeer(base, &daddr, 1); }
static inline int inetpeer_addr_cmp(const struct inetpeer_addr *a, diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c index 9dffdd876fef5..203734e29d462 100644 --- a/net/ipv4/icmp.c +++ b/net/ipv4/icmp.c @@ -326,7 +326,7 @@ static bool icmpv4_xrlim_allow(struct net *net, struct rtable *rt, goto out;
vif = l3mdev_master_ifindex(dst->dev); - peer = inet_getpeer_v4(net->ipv4.peers, fl4->daddr, vif, 1); + peer = inet_getpeer_v4(net->ipv4.peers, fl4->daddr, vif); rc = inet_peer_xrlim_allow(peer, READ_ONCE(net->ipv4.sysctl_icmp_ratelimit)); if (peer) diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c index fb947d1613fe2..e8cc225fcf250 100644 --- a/net/ipv4/ip_fragment.c +++ b/net/ipv4/ip_fragment.c @@ -89,7 +89,7 @@ static void ip4_frag_init(struct inet_frag_queue *q, const void *a) q->key.v4 = *key; qp->ecn = 0; qp->peer = q->fqdir->max_dist ? - inet_getpeer_v4(net->ipv4.peers, key->saddr, key->vif, 1) : + inet_getpeer_v4(net->ipv4.peers, key->saddr, key->vif) : NULL; }
diff --git a/net/ipv4/route.c b/net/ipv4/route.c index 285482060082f..fb1ac5976d4c1 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -885,7 +885,7 @@ void ip_rt_send_redirect(struct sk_buff *skb) rcu_read_unlock();
net = dev_net(rt->dst.dev); - peer = inet_getpeer_v4(net->ipv4.peers, ip_hdr(skb)->saddr, vif, 1); + peer = inet_getpeer_v4(net->ipv4.peers, ip_hdr(skb)->saddr, vif); if (!peer) { icmp_send(skb, ICMP_REDIRECT, ICMP_REDIR_HOST, rt_nexthop(rt, ip_hdr(skb)->daddr)); @@ -988,7 +988,7 @@ static int ip_error(struct sk_buff *skb) }
peer = inet_getpeer_v4(net->ipv4.peers, ip_hdr(skb)->saddr, - l3mdev_master_ifindex(skb->dev), 1); + l3mdev_master_ifindex(skb->dev));
send = true; if (peer) { diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c index 25a3a726fa117..74b4050c746af 100644 --- a/net/ipv6/icmp.c +++ b/net/ipv6/icmp.c @@ -222,7 +222,7 @@ static bool icmpv6_xrlim_allow(struct sock *sk, u8 type, if (rt->rt6i_dst.plen < 128) tmo >>= ((128 - rt->rt6i_dst.plen)>>5);
- peer = inet_getpeer_v6(net->ipv6.peers, &fl6->daddr, 1); + peer = inet_getpeer_v6(net->ipv6.peers, &fl6->daddr); res = inet_peer_xrlim_allow(peer, tmo); if (peer) inet_putpeer(peer); diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c index 2341a4373bb94..ea1839fe47012 100644 --- a/net/ipv6/ip6_output.c +++ b/net/ipv6/ip6_output.c @@ -612,7 +612,7 @@ int ip6_forward(struct sk_buff *skb) else target = &hdr->daddr;
- peer = inet_getpeer_v6(net->ipv6.peers, &hdr->daddr, 1); + peer = inet_getpeer_v6(net->ipv6.peers, &hdr->daddr);
/* Limit redirects both by destination (here) and by source (inside ndisc_send_redirect) diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c index 23b46b5705c53..a5989a18ccd73 100644 --- a/net/ipv6/ndisc.c +++ b/net/ipv6/ndisc.c @@ -1717,7 +1717,7 @@ void ndisc_send_redirect(struct sk_buff *skb, const struct in6_addr *target) "Redirect: destination is not a neighbour\n"); goto release; } - peer = inet_getpeer_v6(net->ipv6.peers, &ipv6_hdr(skb)->saddr, 1); + peer = inet_getpeer_v6(net->ipv6.peers, &ipv6_hdr(skb)->saddr); ret = inet_peer_xrlim_allow(peer, 1*HZ); if (peer) inet_putpeer(peer);