[dpdk-dev] [PATCH] net/virtio: fix memory leak of interrupt handle
Xia, Chenbo
chenbo.xia at intel.com
Wed Jul 28 08:51:55 CEST 2021
> -----Original Message-----
> From: Gaoxiang Liu <clgx0086 at 163.com>
> Sent: Monday, July 26, 2021 10:42 PM
> To: Xia, Chenbo <chenbo.xia at intel.com>; dev at dpdk.org; liugaoxiang at huawei.com
> Cc: Gaoxiang Liu <clgx0086 at 163.com>
> Subject: [PATCH] net/virtio: fix memory leak of interrupt handle
>
> Free memory of interrupt handle in virtio_user_dev_uninit() to
> avoid memory leak.
> when virtio user dev closes, memory of interrupt handle is not freed
> that is allocated in virtio_user_fill_intr_handle().
>
> Fixes: 3d4fb6fd2505 <"net/virtio-user: support Rx interrupt">
>
> Signed-off-by: Gaoxiang Liu <clgx0086 at 163.com>
> ---
> drivers/net/virtio/virtio_user/virtio_user_dev.c | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/drivers/net/virtio/virtio_user/virtio_user_dev.c
> b/drivers/net/virtio/virtio_user/virtio_user_dev.c
> index 1cd1e95f4..16c58710d 100644
> --- a/drivers/net/virtio/virtio_user/virtio_user_dev.c
> +++ b/drivers/net/virtio/virtio_user/virtio_user_dev.c
> @@ -654,6 +654,13 @@ virtio_user_dev_init(struct virtio_user_dev *dev, char
> *path, int queues,
> void
> virtio_user_dev_uninit(struct virtio_user_dev *dev)
> {
> + struct rte_eth_dev *eth_dev = &rte_eth_devices[dev->hw.port_id];
> +
> + if (eth_dev->intr_handle) {
> + free(eth_dev->intr_handle);
> + eth_dev->intr_handle = NULL;
> + }
> +
> virtio_user_stop_device(dev);
>
> rte_mem_event_callback_unregister(VIRTIO_USER_MEM_EVENT_CLB_NAME, dev);
> --
> 2.32.0
Applied to next-virtio/main. Thanks!
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