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authorLu Wei <luwei32@huawei.com>2020-07-29 11:50:05 +0800
committerDavid S. Miller <davem@davemloft.net>2020-07-30 16:55:39 -0700
commit366228ed01f6882cc203e3d5b40010dfae0be1c3 (patch)
treef41f4ea9d59f4373389670359cc35a3720306855 /drivers/net/ethernet/ni
parent82274d075536322368ce710b211c41c37c4740b9 (diff)
downloadlinux-366228ed01f6882cc203e3d5b40010dfae0be1c3.tar.gz
net: nixge: fix potential memory leak in nixge_probe()
If some processes in nixge_probe() fail, free_netdev(dev)
needs to be called to aviod a memory leak.

Fixes: 87ab207981ec ("net: nixge: Separate ctrl and dma resources")
Fixes: abcd3d6fc640 ("net: nixge: Fix error path for obtaining mac address")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Lu Wei <luwei32@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/ni')
-rw-r--r--drivers/net/ethernet/ni/nixge.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/net/ethernet/ni/nixge.c b/drivers/net/ethernet/ni/nixge.c
index d2708a57f2ff..4075f5e59955 100644
--- a/drivers/net/ethernet/ni/nixge.c
+++ b/drivers/net/ethernet/ni/nixge.c
@@ -1299,19 +1299,21 @@ static int nixge_probe(struct platform_device *pdev)
 	netif_napi_add(ndev, &priv->napi, nixge_poll, NAPI_POLL_WEIGHT);
 	err = nixge_of_get_resources(pdev);
 	if (err)
-		return err;
+		goto free_netdev;
 	__nixge_hw_set_mac_address(ndev);
 
 	priv->tx_irq = platform_get_irq_byname(pdev, "tx");
 	if (priv->tx_irq < 0) {
 		netdev_err(ndev, "could not find 'tx' irq");
-		return priv->tx_irq;
+		err = priv->tx_irq;
+		goto free_netdev;
 	}
 
 	priv->rx_irq = platform_get_irq_byname(pdev, "rx");
 	if (priv->rx_irq < 0) {
 		netdev_err(ndev, "could not find 'rx' irq");
-		return priv->rx_irq;
+		err = priv->rx_irq;
+		goto free_netdev;
 	}
 
 	priv->coalesce_count_rx = XAXIDMA_DFT_RX_THRESHOLD;