netdev - [PATCH net] octeontx2-pf: mcs: fix possible memory leak in otx2

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Date:   Mon, 10 Oct 2022 11:39:45 +0800
From:   Yang Yingliang <yangyingliang@...wei.com>
To:     <netdev@...r.kernel.org>
CC:     <sbhatta@...vell.com>, <sgoutham@...vell.com>,
        <davem@...emloft.net>
Subject: [PATCH net] octeontx2-pf: mcs: fix possible memory leak in otx2_probe()

In error path after calling cn10k_mcs_init(), cn10k_mcs_free() need
be called to avoid memory leak.

Fixes: c54ffc73601c ("octeontx2-pf: mcs: Introduce MACSEC hardware offloading")
Signed-off-by: Yang Yingliang <yangyingliang@...wei.com>
---
 drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c
index 5803d7f9137c..892ca88e0cf4 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c
@@ -2810,7 +2810,7 @@ static int otx2_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	err = register_netdev(netdev);
 	if (err) {
 		dev_err(dev, "Failed to register netdevice\n");
-		goto err_del_mcam_entries;
+		goto err_mcs_free;
 	}
 
 	err = otx2_wq_init(pf);
@@ -2849,6 +2849,8 @@ static int otx2_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	otx2_mcam_flow_del(pf);
 err_unreg_netdev:
 	unregister_netdev(netdev);
+err_mcs_free:
+	cn10k_mcs_free(pf);
 err_del_mcam_entries:
 	otx2_mcam_flow_del(pf);
 err_ptp_destroy:
-- 
2.25.1