[dpdk-dev] [EXT] [PATCH v1] net/octeontx: fix dangling pointer on failure
Harman Kalra
hkalra at marvell.com
Wed Apr 8 14:49:23 CEST 2020
On Tue, Apr 07, 2020 at 07:35:43PM +0800, wangyunjian wrote:
> External Email
>
> ----------------------------------------------------------------------
> From: Yunjian Wang <wangyunjian at huawei.com>
>
> When octeontx_create() is cleaning up, it does not correctly set
> the mac_addrs variable to NULL, which will lead to a double free.
>
> Fixes: 9e399b88ce2f ("net/octeontx: fix memory leak of MAC address table")
> CC: stable at dpdk.org
>
> Signed-off-by: Yunjian Wang <wangyunjian at huawei.com>
Thanks for fixing.
Acked-by: Harman Kalra <hkalra at marvell.com>
> ---
> drivers/net/octeontx/octeontx_ethdev.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/net/octeontx/octeontx_ethdev.c b/drivers/net/octeontx/octeontx_ethdev.c
> index e8aa4ec78..437abd7e5 100644
> --- a/drivers/net/octeontx/octeontx_ethdev.c
> +++ b/drivers/net/octeontx/octeontx_ethdev.c
> @@ -1181,6 +1181,7 @@ octeontx_create(struct rte_vdev_device *dev, int port, uint8_t evdev,
>
> free_mac_addrs:
> rte_free(data->mac_addrs);
> + data->mac_addrs = NULL;
> err:
> if (nic)
> octeontx_port_close(nic);
> --
> 2.19.1
>
>
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