[dpdk-stable] [PATCH v3] lib/efd: fix to free tail queue entry after use

[Thomas Monjalon]

Any review please?

11/01/2019 12:49, Hari Kumar Vemula:
> 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 at dpdk.org
> 
> Signed-off-by: Hari Kumar Vemula <hari.kumarx.vemula at intel.com>
> Acked-by: Reshma Pattan <reshma.pattan at intel.com>
> 
> ---
> v3: Replaced TAILQ_FOREACH_SAFE with TAILQ_FOREACH
> v2: Updated commit message.
> ---
>  lib/librte_efd/rte_efd.c | 15 +++++++++++++++
>  1 file changed, 15 insertions(+)
> 
> diff --git a/lib/librte_efd/rte_efd.c b/lib/librte_efd/rte_efd.c
> index e6e5cfda2..8b8330e0b 100644
> --- a/lib/librte_efd/rte_efd.c
> +++ b/lib/librte_efd/rte_efd.c
> @@ -740,17 +740,32 @@ 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;
>  
> +	efd_list = RTE_TAILQ_CAST(rte_efd_tailq.head, rte_efd_list);
> +
>  	for (socket_id = 0; socket_id < RTE_MAX_NUMA_NODES; socket_id++)
>  		rte_free(table->chunks[socket_id]);
> +	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);
> +			te = NULL;
> +		}
> +	}
> +
> +	rte_rwlock_write_unlock(RTE_EAL_TAILQ_RWLOCK);
>  	rte_ring_free(table->free_slots);
>  	rte_free(table->offline_chunks);
>  	rte_free(table->keys);
>  	rte_free(table);
> +
>  }
>  
>  /**
>