X-Git-Url: https://git.liburcu.org/?a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Fust-registry.c;h=205eef6aa625eccdde4426898e72d4f95c31d02c;hb=19d449f1419229a864f9e9e6c54ef03780866027;hp=2013902e9effa52b6e3c38c1d95ef03b3f68221b;hpb=d5af2d078b527da9cbe7a0bf5ca9a2608802cd5c;p=lttng-tools.git diff --git a/src/bin/lttng-sessiond/ust-registry.c b/src/bin/lttng-sessiond/ust-registry.c index 2013902e9..205eef6aa 100644 --- a/src/bin/lttng-sessiond/ust-registry.c +++ b/src/bin/lttng-sessiond/ust-registry.c @@ -728,13 +728,16 @@ static void destroy_channel(struct ust_registry_channel *chan, bool notif) } } - rcu_read_lock(); - /* Destroy all event associated with this registry. */ - cds_lfht_for_each_entry(chan->ht->ht, &iter.iter, event, node.node) { - /* Delete the node from the ht and free it. */ - ust_registry_destroy_event(chan, event); + if (chan->ht) { + rcu_read_lock(); + /* Destroy all event associated with this registry. */ + cds_lfht_for_each_entry( + chan->ht->ht, &iter.iter, event, node.node) { + /* Delete the node from the ht and free it. */ + ust_registry_destroy_event(chan, event); + } + rcu_read_unlock(); } - rcu_read_unlock(); call_rcu(&chan->rcu_head, destroy_channel_rcu); }