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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: DM6PR12MB3753.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: c8d5645b-dbab-4582-b338-08d9154ee37b X-MS-Exchange-CrossTenant-originalarrivaltime: 12 May 2021 14:04:41.6923 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: 6rGlADPOpWgNlUZjAYG/MzGAJ3jk9kP4r5k2bYpNH9izMB2ml+E7iqKNW7tXeW6w6HQOC2cTsWhtxWRVf1Pnog== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR12MB4763 Subject: Re: [dpdk-stable] [dpdk-dev] [PATCH 1/2] net/mlx4: fix mem leak when a device configured repeatedly X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: patches for DPDK stable branches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: stable-bounces@dpdk.org Sender: "stable" Hi, Yunjian Nice and tiny fix, thank you! Could you, please, remove the empty line after mlx4/5_proc_priv_uninit(dev)= =20 to follow the mlx5 coding style? With best regards, Slava > -----Original Message----- > From: wangyunjian > Sent: Wednesday, May 12, 2021 16:18 > To: dev@dpdk.org > Cc: Matan Azrad ; Shahaf Shuler > ; Slava Ovsiienko ; > dingxiaoxiong@huawei.com; Yunjian Wang ; > stable@dpdk.org > Subject: [dpdk-dev] [PATCH 1/2] net/mlx4: fix mem leak when a device > configured repeatedly >=20 > From: Yunjian Wang >=20 > Currently, configuring a mlx device, it will allocate its own process pri= vate in > mlx5_proc_priv_init() and only frees it when closing the device. This wil= l lead > to a memory leak, when a device is configured repeatedly. >=20 > 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 >=20 > Fixes: 97d37d2c1f6b ("net/mlx4: remove device register remap") > Cc: stable@dpdk.org >=20 > Signed-off-by: Yunjian Wang > --- > drivers/net/mlx4/mlx4.c | 2 ++ > 1 file changed, 2 insertions(+) >=20 > diff --git a/drivers/net/mlx4/mlx4.c b/drivers/net/mlx4/mlx4.c index > 7cd35cd3ca..c72587b7ef 100644 > --- a/drivers/net/mlx4/mlx4.c > +++ b/drivers/net/mlx4/mlx4.c > @@ -201,6 +201,8 @@ mlx4_proc_priv_init(struct rte_eth_dev *dev) > struct mlx4_proc_priv *ppriv; > size_t ppriv_size; >=20 > + mlx4_proc_priv_uninit(dev); > + > /* > * UAR register table follows the process private structure. BlueFlame > * registers for Tx queues are stored in the table. > -- > 2.23.0