netdev - [PATCH net] net: mvpp2: fix memory leak in mvpp2

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Message-Id: <c1c2f9c0b79d4a84701d374c6e63f69ec3f42098.1596184502.git.lorenzo@kernel.org>
Date:   Fri, 31 Jul 2020 10:38:32 +0200
From:   Lorenzo Bianconi <lorenzo@...nel.org>
To:     netdev@...r.kernel.org
Cc:     davem@...emloft.net, lorenzo.bianconi@...hat.com, mw@...ihalf.com,
        mcroce@...rosoft.com
Subject: [PATCH net] net: mvpp2: fix memory leak in mvpp2_rx

Release skb memory in mvpp2_rx() if mvpp2_rx_refill routine fails

Fixes: b5015854674b ("net: mvpp2: fix refilling BM pools in RX path")
Signed-off-by: Lorenzo Bianconi <lorenzo@...nel.org>
---
 drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
index 24f4d8e0da98..ee72397813d4 100644
--- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
+++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
@@ -2981,6 +2981,7 @@ static int mvpp2_rx(struct mvpp2_port *port, struct napi_struct *napi,
 		err = mvpp2_rx_refill(port, bm_pool, pool);
 		if (err) {
 			netdev_err(port->dev, "failed to refill BM pools\n");
+			dev_kfree_skb_any(skb);
 			goto err_drop_frame;
 		}
 
-- 
2.26.2