diff options
| author | Mateusz Guzik <mjg@FreeBSD.org> | 2021-08-13 11:32:03 +0000 |
|---|---|---|
| committer | Mateusz Guzik <mjg@FreeBSD.org> | 2021-08-14 16:51:00 +0000 |
| commit | 8afe9481cfa382337b8a885f358fe888bddf5982 (patch) | |
| tree | ec97b28ac848f4e128b6e61bf5333c8eb6874f6a /sys | |
| parent | c17ae18080b4412435aa2fb91cd6e81dd6cd180b (diff) | |
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/netinet6/frag6.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/sys/netinet6/frag6.c b/sys/netinet6/frag6.c index ec35e98d25ec..222bd157fddd 100644 --- a/sys/netinet6/frag6.c +++ b/sys/netinet6/frag6.c @@ -891,10 +891,15 @@ frag6_slowtimo(void) struct ip6q *q6, *q6tmp; uint32_t bucket; + if (atomic_load_int(&frag6_nfrags) == 0) + return; + VNET_LIST_RLOCK_NOSLEEP(); VNET_FOREACH(vnet_iter) { CURVNET_SET(vnet_iter); for (bucket = 0; bucket < IP6REASS_NHASH; bucket++) { + if (V_ip6qb[bucket].count == 0) + continue; IP6QB_LOCK(bucket); head = IP6QB_HEAD(bucket); TAILQ_FOREACH_SAFE(q6, head, ip6q_tq, q6tmp) |