diff options
author | Eric Dumazet <edumazet@google.com> | 2023-12-08 13:12:43 +0300 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2023-12-11 13:59:17 +0300 |
commit | d2f011a0bf28c090ad75c9b1d306f2e1dda1c9bc (patch) | |
tree | 672849531d60dae088df5508f6183ea01231b6ae /net/rds | |
parent | 9a64d4c93eee6b2efb7a02ec98d9480946424509 (diff) | |
download | linux-d2f011a0bf28c090ad75c9b1d306f2e1dda1c9bc.tar.xz |
ipv6: annotate data-races around np->mcast_oif
np->mcast_oif is read locklessly in some contexts.
Make all accesses to this field lockless, adding appropriate
annotations.
This also makes setsockopt( IPV6_MULTICAST_IF ) lockless.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/rds')
-rw-r--r-- | net/rds/tcp_listen.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/rds/tcp_listen.c b/net/rds/tcp_listen.c index 53b3535a1e4a..05008ce5c421 100644 --- a/net/rds/tcp_listen.c +++ b/net/rds/tcp_listen.c @@ -165,7 +165,7 @@ int rds_tcp_accept_one(struct socket *sock) struct ipv6_pinfo *inet6; inet6 = inet6_sk(new_sock->sk); - dev_if = inet6->mcast_oif; + dev_if = READ_ONCE(inet6->mcast_oif); } else { dev_if = new_sock->sk->sk_bound_dev_if; } |