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| author | Eric Dumazet <edumazet@google.com> | 2024-02-28 13:54:29 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2024-03-01 08:42:31 +0000 |
| commit | e0bb2675fea2783c45bb95d74f00c55156720863 (patch) | |
| tree | 0f7a1c6c8a215727d5dfd5ccc5c86fd9ca717b31 /net/ipv6/ipv6_sockglue.c | |
| parent | e7135f484994494a38071e3653a83d21d305f50c (diff) | |
| download | lwn-e0bb2675fea2783c45bb95d74f00c55156720863.tar.gz lwn-e0bb2675fea2783c45bb95d74f00c55156720863.zip | |
ipv6: annotate data-races around cnf.hop_limit
idev->cnf.hop_limit and net->ipv6.devconf_all->hop_limit
might be read locklessly, add appropriate READ_ONCE()
and WRITE_ONCE() annotations.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Florian Westphal <fw@strlen.de> # for netfilter parts
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/ipv6_sockglue.c')
| -rw-r--r-- | net/ipv6/ipv6_sockglue.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c index 56c3c467f9de..f61d977ac052 100644 --- a/net/ipv6/ipv6_sockglue.c +++ b/net/ipv6/ipv6_sockglue.c @@ -1346,7 +1346,7 @@ int do_ipv6_getsockopt(struct sock *sk, int level, int optname, } if (val < 0) - val = sock_net(sk)->ipv6.devconf_all->hop_limit; + val = READ_ONCE(sock_net(sk)->ipv6.devconf_all->hop_limit); break; } |