[dpdk-stable] [PATCH] net/virtio: fix memory leak
Pengzhen Liu
liupengzhen3 at huawei.com
Thu Oct 26 16:42:21 CEST 2017
In function eth_virtio_dev_init(), dynamic memory stored
in "eth_dev->data->mac_addrs" variable and it is not freed
when function return,
this is a possible memory leak.
Fixes: 289ba0c0f52a ("net/virtio: eth_dev->data->mac_addrs is not freed")
Cc: stable at dpdk.org
Signed-off-by: Pengzhen Liu <liupengzhen3 at huawei.com>
---
drivers/net/virtio/virtio_ethdev.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/net/virtio/virtio_ethdev.c b/drivers/net/virtio/virtio_ethdev.c
index ff2d9d6..4c7c3c4 100644
--- a/drivers/net/virtio/virtio_ethdev.c
+++ b/drivers/net/virtio/virtio_ethdev.c
@@ -1587,13 +1587,13 @@ static int virtio_dev_xstats_get_names(struct rte_eth_dev *dev,
if (!hw->virtio_user_dev) {
ret = vtpci_init(RTE_ETH_DEV_TO_PCI(eth_dev), hw);
if (ret)
- return ret;
+ goto out;
}
/* reset device and negotiate default features */
ret = virtio_init_device(eth_dev, VIRTIO_PMD_DEFAULT_GUEST_FEATURES);
if (ret < 0)
- return ret;
+ goto out;
/* Setup interrupt callback */
if (eth_dev->data->dev_flags & RTE_ETH_DEV_INTR_LSC)
@@ -1601,6 +1601,10 @@ static int virtio_dev_xstats_get_names(struct rte_eth_dev *dev,
virtio_interrupt_handler, eth_dev);
return 0;
+
+out:
+ rte_free(eth_dev->data->mac_addrs);
+ return ret;
}
static int
--
1.7.12.4
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