From c749c032252997cf50cbe3620a7edd30532423af Mon Sep 17 00:00:00 2001 From: Hari Kumar Vemula Date: Fri, 18 Jan 2019 07:40:42 +0000 Subject: [PATCH] efd: fix tail queue leak In rte_efd_create() allocated memory for tail queue entry but not freed. Added freeing the tail queue entry. Fixes: 56b6ef874f80 ("efd: new Elastic Flow Distributor library") Cc: stable@dpdk.org Signed-off-by: Hari Kumar Vemula Reviewed-by: Honnappa Nagarahalli Acked-by: Reshma Pattan Acked-by: Pablo de Lara --- lib/librte_efd/rte_efd.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/lib/librte_efd/rte_efd.c b/lib/librte_efd/rte_efd.c index e6e5cfda22..1a97ece05e 100644 --- a/lib/librte_efd/rte_efd.c +++ b/lib/librte_efd/rte_efd.c @@ -740,6 +740,8 @@ void rte_efd_free(struct rte_efd_table *table) { uint8_t socket_id; + struct rte_efd_list *efd_list; + struct rte_tailq_entry *te, *temp; if (table == NULL) return; @@ -747,6 +749,18 @@ rte_efd_free(struct rte_efd_table *table) for (socket_id = 0; socket_id < RTE_MAX_NUMA_NODES; socket_id++) rte_free(table->chunks[socket_id]); + efd_list = RTE_TAILQ_CAST(rte_efd_tailq.head, rte_efd_list); + rte_rwlock_write_lock(RTE_EAL_TAILQ_RWLOCK); + + TAILQ_FOREACH_SAFE(te, efd_list, next, temp) { + if (te->data == (void *) table) { + TAILQ_REMOVE(efd_list, te, next); + rte_free(te); + break; + } + } + + rte_rwlock_write_unlock(RTE_EAL_TAILQ_RWLOCK); rte_ring_free(table->free_slots); rte_free(table->offline_chunks); rte_free(table->keys); -- 2.20.1