diff options
Diffstat (limited to 'net/rds/cong.c')
| -rw-r--r-- | net/rds/cong.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/net/rds/cong.c b/net/rds/cong.c index 8398fee7c866..8d19fd25dce3 100644 --- a/net/rds/cong.c +++ b/net/rds/cong.c @@ -219,7 +219,11 @@ void rds_cong_queue_updates(struct rds_cong_map *map) spin_lock_irqsave(&rds_cong_lock, flags); list_for_each_entry(conn, &map->m_conn_list, c_map_item) { - if (!test_and_set_bit(0, &conn->c_map_queued)) { + struct rds_conn_path *cp = &conn->c_path[0]; + + rcu_read_lock(); + if (!test_and_set_bit(0, &conn->c_map_queued) && + !test_bit(RDS_DESTROY_PENDING, &cp->cp_flags)) { rds_stats_inc(s_cong_update_queued); /* We cannot inline the call to rds_send_xmit() here * for two reasons (both pertaining to a TCP transport): @@ -235,9 +239,9 @@ void rds_cong_queue_updates(struct rds_cong_map *map) * therefore trigger warnings. * Defer the xmit to rds_send_worker() instead. */ - queue_delayed_work(rds_wq, - &conn->c_path[0].cp_send_w, 0); + queue_delayed_work(rds_wq, &cp->cp_send_w, 0); } + rcu_read_unlock(); } spin_unlock_irqrestore(&rds_cong_lock, flags); |