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| author | Eric Dumazet <edumazet@google.com> | 2022-05-13 11:55:49 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2022-05-16 10:31:06 +0100 |
| commit | 5d368f03280d3678433a7f119efe15dfbbb87bc8 (patch) | |
| tree | 1749bbca069fafab9219ea4187c460d12c2c6bc7 /net/ipv6 | |
| parent | ff0094030f146b44eba0da2d3f9dbddaa28ee3c0 (diff) | |
| download | linux-5d368f03280d3678433a7f119efe15dfbbb87bc8.tar.bz2 | |
ipv6: add READ_ONCE(sk->sk_bound_dev_if) in INET6_MATCH()
INET6_MATCH() runs without holding a lock on the socket.
We probably need to annotate most reads.
This patch makes INET6_MATCH() an inline function
to ease our changes.
v2: inline function only defined if IS_ENABLED(CONFIG_IPV6)
Change the name to inet6_match(), this is no longer a macro.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6')
| -rw-r--r-- | net/ipv6/inet6_hashtables.c | 6 | ||||
| -rw-r--r-- | net/ipv6/udp.c | 2 |
2 files changed, 4 insertions, 4 deletions
diff --git a/net/ipv6/inet6_hashtables.c b/net/ipv6/inet6_hashtables.c index a758f2ab7b51..7d53d62783b1 100644 --- a/net/ipv6/inet6_hashtables.c +++ b/net/ipv6/inet6_hashtables.c @@ -71,12 +71,12 @@ begin: sk_nulls_for_each_rcu(sk, node, &head->chain) { if (sk->sk_hash != hash) continue; - if (!INET6_MATCH(sk, net, saddr, daddr, ports, dif, sdif)) + if (!inet6_match(net, sk, saddr, daddr, ports, dif, sdif)) continue; if (unlikely(!refcount_inc_not_zero(&sk->sk_refcnt))) goto out; - if (unlikely(!INET6_MATCH(sk, net, saddr, daddr, ports, dif, sdif))) { + if (unlikely(!inet6_match(net, sk, saddr, daddr, ports, dif, sdif))) { sock_gen_put(sk); goto begin; } @@ -268,7 +268,7 @@ static int __inet6_check_established(struct inet_timewait_death_row *death_row, if (sk2->sk_hash != hash) continue; - if (likely(INET6_MATCH(sk2, net, saddr, daddr, ports, + if (likely(inet6_match(net, sk2, saddr, daddr, ports, dif, sdif))) { if (sk2->sk_state == TCP_TIME_WAIT) { tw = inet_twsk(sk2); diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c index 960cfea82016..55afd7f39c04 100644 --- a/net/ipv6/udp.c +++ b/net/ipv6/udp.c @@ -1044,7 +1044,7 @@ static struct sock *__udp6_lib_demux_lookup(struct net *net, udp_portaddr_for_each_entry_rcu(sk, &hslot2->head) { if (sk->sk_state == TCP_ESTABLISHED && - INET6_MATCH(sk, net, rmt_addr, loc_addr, ports, dif, sdif)) + inet6_match(net, sk, rmt_addr, loc_addr, ports, dif, sdif)) return sk; /* Only check first socket in chain */ break; |