Thread (25 messages) 25 messages, 3 authors, 2017-12-21

[PATCH V3 net-next 04/17] net: hns3: Free the ring_data structrue when change tqps

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STALE3231d SUPERSEDED

From: Lipeng <hidden>
Date: 2017-12-20 08:20:22
Also in: lkml
Subsystem: hisilicon network subsystem 3 driver (hns3), hisilicon network subsystem driver, networking drivers, the rest · Maintainers: Jian Shen, Jijie Shao, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds

Status: Superseded by v5 (posted 2017-12-22). [go to v5]

Revision v3 (5 revisions archived).

Revisions (5)
  1. v1
  2. v2 [diff against previous]
  3. v3 current [diff against previous]
  4. v4 [diff against previous]
  5. v5 [diff against previous]
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: qumingguang <redacted>
Signed-off-by: Lipeng <redacted>
---
 drivers/net/ethernet/hisilicon/hns3/hns3_enet.c | 4 ++++
 1 file changed, 4 insertions(+)
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
index 7e92068..1c93038 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
@@ -2800,8 +2800,12 @@ 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;
 }
-- 
1.9.1
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