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net: hns3: free the ring_data structrue when change tqps

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[ Upstream commit 99fdf6b1ca ]

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Peng Li
2017-12-22 12:21:43 +08:00
committed by Greg Kroah-Hartman
parent 93b8f4a230
commit f7b0ea2245
1 changed files with 4 additions and 0 deletions
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4
drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.c
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@@ -2687,8 +2687,12 @@ static int hns3_uninit_all_ring(struct hns3_nic_priv *priv)
h->ae_algo->ops->reset_queue(h, i);
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);
return 0;
}