net: gemini: Fix missing free_netdev() in error path of gemini_ethernet_port_probe()

[ Upstream commit cf96d977381d4a23957bade2ddf1c420b74a26b6 ]

Replace alloc_etherdev_mq with devm_alloc_etherdev_mqs. In this way,
when probe fails, netdev can be freed automatically.

Fixes: 4d5ae32f5e1e ("net: ethernet: Add a driver for Gemini gigabit ethernet")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wang Hai <wanghai38@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/net/ethernet/cortina/gemini.c b/drivers/net/ethernet/cortina/gemini.c
index 5359fb40578dbc441fc5b6b16e82f0c12055f07c..e641890e9702f1f77a8acdf928e9a33c88ab9f5b 100644 (file)
--- a/drivers/net/ethernet/cortina/gemini.c
+++ b/drivers/net/ethernet/cortina/gemini.c
@@ -2388,7 +2388,7 @@ static int gemini_ethernet_port_probe(struct platform_device *pdev)
 
        dev_info(dev, "probe %s ID %d\n", dev_name(dev), id);
 
-       netdev = alloc_etherdev_mq(sizeof(*port), TX_QUEUE_NUM);
+       netdev = devm_alloc_etherdev_mqs(dev, sizeof(*port), TX_QUEUE_NUM, TX_QUEUE_NUM);
        if (!netdev) {
                dev_err(dev, "Can't allocate ethernet device #%d\n", id);
                return -ENOMEM;
@@ -2520,7 +2520,6 @@ static int gemini_ethernet_port_probe(struct platform_device *pdev)
        }
 
        port->netdev = NULL;
-       free_netdev(netdev);
        return ret;
 }
 
@@ -2529,7 +2528,6 @@ static int gemini_ethernet_port_remove(struct platform_device *pdev)
        struct gemini_ethernet_port *port = platform_get_drvdata(pdev);
 
        gemini_port_remove(port);
-       free_netdev(port->netdev);
        return 0;
 }