[dpdk-dev] [PATCH v2] net/vhost: fix potential memory leak
Itsuro Oda
oda at valinux.co.jp
Thu Mar 5 03:50:52 CET 2020
If a vhost device is closed before eth_dev_configure is done
to the device, internal resources allocated to the device
would not be freed. This patch fixes it.
Fixes: 3d01b759d267 ("net/vhost: delay driver setup")
Cc: stable at dpdk.org
Signed-off-by: Itsuro Oda <oda at valinux.co.jp>
Reviewd-by: Xiaolong Ye <xiaolong.ye at intel.com>
---
v2:
- fix commit message
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
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