[dpdk-dev] [PATCH] net/vhost: fix potential memory leak
Ye Xiaolong
xiaolong.ye at intel.com
Thu Mar 5 03:15:56 CET 2020
On 03/03, Itsuro Oda wrote:
>If a vhost device is closed before eth_dev_configure is done
>to the device, internal resources allocated to the device
>does not freed. This patch fixes it.
s/does not freed/would not be freed
>
>Fixes: 3d01b759d267 ("net/vhost: delay driver setup")
Cc: stable at dpdk.org
>
>Signed-off-by: Itsuro Oda <oda at valinux.co.jp>
>---
> drivers/net/vhost/rte_eth_vhost.c | 16 +++++++---------
> 1 file changed, 7 insertions(+), 9 deletions(-)
>
>diff --git a/drivers/net/vhost/rte_eth_vhost.c b/drivers/net/vhost/rte_eth_vhost.c
>index 458ed58f5..1ed977e9b 100644
>--- a/drivers/net/vhost/rte_eth_vhost.c
>+++ b/drivers/net/vhost/rte_eth_vhost.c
>@@ -1065,16 +1065,14 @@ eth_dev_close(struct rte_eth_dev *dev)
>
> eth_dev_stop(dev);
>
>- rte_vhost_driver_unregister(internal->iface_name);
>-
> list = find_internal_resource(internal->iface_name);
>- if (!list)
>- return;
>-
>- pthread_mutex_lock(&internal_list_lock);
>- TAILQ_REMOVE(&internal_list, list, next);
>- pthread_mutex_unlock(&internal_list_lock);
>- rte_free(list);
>+ if (list) {
>+ rte_vhost_driver_unregister(internal->iface_name);
>+ pthread_mutex_lock(&internal_list_lock);
>+ TAILQ_REMOVE(&internal_list, list, next);
>+ pthread_mutex_unlock(&internal_list_lock);
>+ rte_free(list);
>+ }
>
> if (dev->data->rx_queues)
> for (i = 0; i < dev->data->nb_rx_queues; i++)
>--
>2.17.0
>
For the rest,
Reviewed-by: Xiaolong Ye <xiaolong.ye at intel.com>
More information about the dev
mailing list