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 /net/ipv4/nexthop.c | |
| 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 'net/ipv4/nexthop.c')
| -rw-r--r-- | net/ipv4/nexthop.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/net/ipv4/nexthop.c b/net/ipv4/nexthop.c index d8ef05347fd9..e28a99f1996b 100644 --- a/net/ipv4/nexthop.c +++ b/net/ipv4/nexthop.c @@ -1128,7 +1128,7 @@ static bool ipv6_good_nh(const struct fib6_nh *nh) n = __ipv6_neigh_lookup_noref_stub(nh->fib_nh_dev, &nh->fib_nh_gw6); if (n) - state = n->nud_state; + state = READ_ONCE(n->nud_state); rcu_read_unlock_bh(); @@ -1145,7 +1145,7 @@ static bool ipv4_good_nh(const struct fib_nh *nh) n = __ipv4_neigh_lookup_noref(nh->fib_nh_dev, (__force u32)nh->fib_nh_gw4); if (n) - state = n->nud_state; + state = READ_ONCE(n->nud_state); rcu_read_unlock_bh(); |