diff options
| author | Eric Dumazet <edumazet@google.com> | 2024-02-28 13:54:35 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2024-03-01 08:42:32 +0000 |
| commit | 624d5aec487cf8c2955d9c5880685714f7fe8e6f (patch) | |
| tree | 18b99ce6e72b97350042c51000fb12cf1a68a6b1 /net/ipv6/ip6_output.c | |
| parent | a8fbd4d90720b6c930661ed593d54aba77cec3c2 (diff) | |
ipv6: annotate data-races around devconf->disable_policy
idev->cnf.disable_policy and net->ipv6.devconf_all->disable_policy
can be read locklessly. Add appropriate annotations on reads
and writes.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/ip6_output.c')
| -rw-r--r-- | net/ipv6/ip6_output.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c index f08af3f4e54f..b9dd3a66e423 100644 --- a/net/ipv6/ip6_output.c +++ b/net/ipv6/ip6_output.c @@ -513,8 +513,8 @@ int ip6_forward(struct sk_buff *skb) if (skb_warn_if_lro(skb)) goto drop; - if (!net->ipv6.devconf_all->disable_policy && - (!idev || !idev->cnf.disable_policy) && + if (!READ_ONCE(net->ipv6.devconf_all->disable_policy) && + (!idev || !READ_ONCE(idev->cnf.disable_policy)) && !xfrm6_policy_check(NULL, XFRM_POLICY_FWD, skb)) { __IP6_INC_STATS(net, idev, IPSTATS_MIB_INDISCARDS); goto drop; |