net: ethernet: mvneta: Fix error handling in mvneta_probe

[ Upstream commit 58f60329a6be35a5653edb3fd2023ccef9eb9943 ]

When mvneta_port_power_up() fails, we should execute
cleanup functions after label err_netdev to avoid memleak.

Fixes: 41c2b6b4f0f80 ("net: ethernet: mvneta: Add back interface mode validation")
Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn>
Link: https://lore.kernel.org/r/20201220082930.21623-1-dinghao.liu@zju.edu.cn
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
index 4a9041e..c3e4294 100644 (file)
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -5232,7 +5232,7 @@ static int mvneta_probe(struct platform_device *pdev)
        err = mvneta_port_power_up(pp, pp->phy_interface);
        if (err < 0) {
                dev_err(&pdev->dev, "can't power up port\n");
-               return err;
+               goto err_netdev;
        }
 
        /* Armada3700 network controller does not support per-cpu