X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Fust-registry.c;h=992ba586d3f1aac0154f879e67abc04cd2a4da92;hb=fd5f765ddad09f7f0395544bfa2b4ea5f624966a;hp=4d4094e7361836c5617e42eb61ecea84d56e1ba1;hpb=6e78b10e47913603de67e026a90aa592136392ef;p=lttng-tools.git diff --git a/src/bin/lttng-sessiond/ust-registry.c b/src/bin/lttng-sessiond/ust-registry.c index 4d4094e73..992ba586d 100644 --- a/src/bin/lttng-sessiond/ust-registry.c +++ b/src/bin/lttng-sessiond/ust-registry.c @@ -738,13 +738,16 @@ 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); }