[PATCH] net/virtio: fix memory leak
From: Pengzhen Liu <hidden>
Date: 2017-10-26 07:32:54
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
In function eth_virtio_dev_init(), dynamic memory stored
in "eth_dev->data->mac_addrs" variable and it is not freed whe function return,
this is a possible memory leak.
Fixes: 6b9ed026a870 ("net/virtio: eth_dev->data->mac_addrs is not freed")
Cc: stable@dpdk.org
Signed-off-by: Pengzhen Liu <redacted>
---
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 0ec54a9..d9f186f 100644
--- a/drivers/net/virtio/virtio_ethdev.c
+++ b/drivers/net/virtio/virtio_ethdev.c@@ -1586,13 +1586,13 @@ 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)
@@ -1600,6 +1600,10 @@ 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