[dpdk-stable] [dpdk-dev] [PATCH v2 1/2] net/mlx4: fix mem leak when a device configured repeatedly

[Slava Ovsiienko]

> -----Original Message-----
> From: wangyunjian <wangyunjian at huawei.com>
> Sent: Thursday, May 13, 2021 6:39
> To: dev at dpdk.org
> Cc: Matan Azrad <matan at nvidia.com>; Shahaf Shuler
> <shahafs at nvidia.com>; Slava Ovsiienko <viacheslavo at nvidia.com>;
> dingxiaoxiong at huawei.com; Yunjian Wang <wangyunjian at huawei.com>;
> stable at dpdk.org
> Subject: [dpdk-dev] [PATCH v2 1/2] net/mlx4: fix mem leak when a device
> configured repeatedly
> 
> From: Yunjian Wang <wangyunjian at huawei.com>
> 
> Currently, configuring a mlx device, it will allocate its own process private in
> mlx5_proc_priv_init() and only frees it when closing the device. This will lead
> to a memory leak, when a device is configured repeatedly.
> 
> For example:
> for(...)
> do
>     rte_eth_dev_configure
>     rte_eth_rx_queue_setup
>     rte_eth_tx_queue_setup
>     rte_eth_dev_start
>     rte_eth_dev_stop
> done
> 
> Fixes: 97d37d2c1f6b ("net/mlx4: remove device register remap")
> Cc: stable at dpdk.org
> 
> Signed-off-by: Yunjian Wang <wangyunjian at huawei.com>
Acked-by: Viacheslav Ovsiienko <viacheslavo at nvidia.com>