diff options
| author | Eric Dumazet <edumazet@google.com> | 2024-02-28 13:54:28 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2024-03-01 08:42:31 +0000 |
| commit | e7135f484994494a38071e3653a83d21d305f50c (patch) | |
| tree | 734c791bf55fa4646d61929ada3684bc5de0791f /include/net/ip6_route.h | |
| parent | 553ced03b227c99f0bf68d86f7b45ed7125563f2 (diff) | |
ipv6: annotate data-races around cnf.mtu6
idev->cnf.mtu6 might be read locklessly, add appropriate READ_ONCE()
and WRITE_ONCE() annotations.
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 'include/net/ip6_route.h')
| -rw-r--r-- | include/net/ip6_route.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/net/ip6_route.h b/include/net/ip6_route.h index 52a51c69aa9d..a30c6aa9e5cf 100644 --- a/include/net/ip6_route.h +++ b/include/net/ip6_route.h @@ -332,7 +332,7 @@ static inline unsigned int ip6_dst_mtu_maybe_forward(const struct dst_entry *dst rcu_read_lock(); idev = __in6_dev_get(dst->dev); if (idev) - mtu = idev->cnf.mtu6; + mtu = READ_ONCE(idev->cnf.mtu6); rcu_read_unlock(); out: |