netdev - [PATCH net] net: thunderbolt: fix memory leak in tbnet

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Message-ID: <20221205115559.3189177-1-shaozhengchao@huawei.com>
Date:   Mon, 5 Dec 2022 19:55:59 +0800
From:   Zhengchao Shao <shaozhengchao@...wei.com>
To:     <netdev@...r.kernel.org>, <michael.jamet@...el.com>,
        <mika.westerberg@...ux.intel.com>, <YehezkelShB@...il.com>,
        <davem@...emloft.net>, <edumazet@...gle.com>, <kuba@...nel.org>,
        <pabeni@...hat.com>
CC:     <weiyongjun1@...wei.com>, <yuehaibing@...wei.com>,
        <shaozhengchao@...wei.com>
Subject: [PATCH net] net: thunderbolt: fix memory leak in tbnet_open()

When tb_ring_alloc_rx() failed in tbnet_open(), it doesn't free ida.

Fixes: 180b0689425c ("thunderbolt: Allow multiple DMA tunnels over a single XDomain connection")
Signed-off-by: Zhengchao Shao <shaozhengchao@...wei.com>
---
 drivers/net/thunderbolt.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/thunderbolt.c b/drivers/net/thunderbolt.c
index a52ee2bf5575..70fd61ce15c6 100644
--- a/drivers/net/thunderbolt.c
+++ b/drivers/net/thunderbolt.c
@@ -916,6 +916,7 @@ static int tbnet_open(struct net_device *dev)
 		netdev_err(dev, "failed to allocate Rx ring\n");
 		tb_ring_free(net->tx_ring.ring);
 		net->tx_ring.ring = NULL;
+		tb_xdomain_release_out_hopid(xd, hopid);
 		return -ENOMEM;
 	}
 	net->rx_ring.ring = ring;
-- 
2.34.1