diff options
| author | Eric Dumazet <edumazet@google.com> | 2023-03-13 20:17:31 +0000 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2023-03-15 00:37:32 -0700 |
| commit | b071af523579df7341cabf0f16fc661125e9a13f (patch) | |
| tree | 5fa71bee995c95b37e5c7d336ce22bbebb3417a0 /include/net/neighbour.h | |
| parent | 68a84a127bb07d2a47e95c808520f742c54781c7 (diff) | |
neighbour: annotate lockless accesses to n->nud_state
We have many lockless accesses to n->nud_state.
Before adding another one in the following patch,
add annotations to readers and writers.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Reviewed-by: Martin KaFai Lau <martin.lau@kernel.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'include/net/neighbour.h')
| -rw-r--r-- | include/net/neighbour.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/net/neighbour.h b/include/net/neighbour.h index 234799ca527e..c8d39bba2a0d 100644 --- a/include/net/neighbour.h +++ b/include/net/neighbour.h @@ -464,7 +464,7 @@ static __always_inline int neigh_event_send_probe(struct neighbour *neigh, if (READ_ONCE(neigh->used) != now) WRITE_ONCE(neigh->used, now); - if (!(neigh->nud_state & (NUD_CONNECTED | NUD_DELAY | NUD_PROBE))) + if (!(READ_ONCE(neigh->nud_state) & (NUD_CONNECTED | NUD_DELAY | NUD_PROBE))) return __neigh_event_send(neigh, skb, immediate_ok); return 0; } |