diff options
| author | Eric Dumazet <edumazet@google.com> | 2023-12-08 10:12:43 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2023-12-11 10:59:17 +0000 |
| commit | d2f011a0bf28c090ad75c9b1d306f2e1dda1c9bc (patch) | |
| tree | 672849531d60dae088df5508f6183ea01231b6ae /net/netfilter | |
| parent | 9a64d4c93eee6b2efb7a02ec98d9480946424509 (diff) | |
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/netfilter')
| -rw-r--r-- | net/netfilter/ipvs/ip_vs_sync.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/netfilter/ipvs/ip_vs_sync.c b/net/netfilter/ipvs/ip_vs_sync.c index eaf9f2ed0067..be74c0906dda 100644 --- a/net/netfilter/ipvs/ip_vs_sync.c +++ b/net/netfilter/ipvs/ip_vs_sync.c @@ -1365,7 +1365,7 @@ static int set_mcast_if(struct sock *sk, struct net_device *dev) struct ipv6_pinfo *np = inet6_sk(sk); /* IPV6_MULTICAST_IF */ - np->mcast_oif = dev->ifindex; + WRITE_ONCE(np->mcast_oif, dev->ifindex); } #endif release_sock(sk); |