Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
From:   Sasha Levin <Alexander.Levin@microsoft.com>
To:     "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        "stable@vger.kernel.org" <stable@vger.kernel.org>
CC:     Peng Li <lipeng321@huawei.com>,
        Mingguang Qu <qumingguang@huawei.com>,
        "David S . Miller" <davem@davemloft.net>,
        Sasha Levin <Alexander.Levin@microsoft.com>
Subject: [PATCH AUTOSEL for 4.15 013/124] net: hns3: free the ring_data
 structrue when change tqps
Thread-Topic: [PATCH AUTOSEL for 4.15 013/124] net: hns3: free the ring_data
 structrue when change tqps
Thread-Index: AQHTv5mLBeUCMcN6c0asxgyMf4Ju7A==
Date:   Mon, 19 Mar 2018 15:47:11 +0000
Message-ID: <20180319154645.11350-13-alexander.levin@microsoft.com>
References: <20180319154645.11350-1-alexander.levin@microsoft.com>
In-Reply-To: <20180319154645.11350-1-alexander.levin@microsoft.com>
Accept-Language: en-US
Content-Language: en-US
received-spf: None (protection.outlook.com: microsoft.com does not designate
 permitted sender hosts)
spamdiagnosticoutput: 1:99
spamdiagnosticmetadata: NSPM
Content-Type: text/plain; charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable
MIME-Version: 1.0
X-MS-Exchange-CrossTenant-Network-Message-Id: 70c28d5f-33bf-4482-7c7c-08d58db0ae4e
X-MS-Exchange-CrossTenant-originalarrivaltime: 19 Mar 2018 15:47:11.6780
 (UTC)
X-MS-Exchange-CrossTenant-fromentityheader: Hosted
X-MS-Exchange-CrossTenant-id: 72f988bf-86f1-41af-91ab-2d7cd011db47
X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM5PR2101MB1013
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

From: Peng Li <lipeng321@huawei.com>

[ Upstream commit 99fdf6b1cadf41bb253408589788f025027274f3 ]

This patch fixes a memory leak problems in change tqps process,
the function hns3_uninit_all_ring and hns3_init_all_ring
may be called many times.

Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Mingguang Qu <qumingguang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
---
 drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.c b/drive=
rs/net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.c
index 59415090ff0f..853f273da22d 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.c
@@ -2785,8 +2785,12 @@ int hns3_uninit_all_ring(struct hns3_nic_priv *priv)
 			h->ae_algo->ops->reset_queue(h, i);
=20
 		hns3_fini_ring(priv->ring_data[i].ring);
+		devm_kfree(priv->dev, priv->ring_data[i].ring);
 		hns3_fini_ring(priv->ring_data[i + h->kinfo.num_tqps].ring);
+		devm_kfree(priv->dev,
+			   priv->ring_data[i + h->kinfo.num_tqps].ring);
 	}
+	devm_kfree(priv->dev, priv->ring_data);
=20
 	return 0;
 }
--=20
2.14.1