[PATCH 5.8 355/464] net: mvpp2: fix memory leak in mvpp2_rx

From: Greg Kroah-Hartman
Date: Mon Aug 17 2020 - 15:21:23 EST


From: Lorenzo Bianconi <lorenzo@xxxxxxxxxx>

[ Upstream commit d6526926de7397a97308780911565e31a6b67b59 ]

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@xxxxxxxxxx>
Acked-by: Matteo Croce <mcroce@xxxxxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
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 24f4d8e0da989..ee72397813d41 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;
}

--
2.25.1