Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 5.13 413/800] net: ftgmac100: add missing error return code in ftgmac100_probe() | Date | Mon, 12 Jul 2021 08:07:16 +0200 |
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From: Yang Yingliang <yangyingliang@huawei.com>
[ Upstream commit 52af13a41489d7bbc1932d17583eff6e5fffc820 ]
The variables will be free on path err_phy_connect, it should return error code, or it will cause double free when calling ftgmac100_remove().
Fixes: bd466c3fb5a4 ("net/faraday: Support NCSI mode") Fixes: 39bfab8844a0 ("net: ftgmac100: Add support for DT phy-handle property") Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Sasha Levin <sashal@kernel.org> --- drivers/net/ethernet/faraday/ftgmac100.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/faraday/ftgmac100.c b/drivers/net/ethernet/faraday/ftgmac100.c index 04421aec2dfd..11dbbfd38770 100644 --- a/drivers/net/ethernet/faraday/ftgmac100.c +++ b/drivers/net/ethernet/faraday/ftgmac100.c @@ -1830,14 +1830,17 @@ static int ftgmac100_probe(struct platform_device *pdev) if (np && of_get_property(np, "use-ncsi", NULL)) { if (!IS_ENABLED(CONFIG_NET_NCSI)) { dev_err(&pdev->dev, "NCSI stack not enabled\n"); + err = -EINVAL; goto err_phy_connect; } dev_info(&pdev->dev, "Using NCSI interface\n"); priv->use_ncsi = true; priv->ndev = ncsi_register_dev(netdev, ftgmac100_ncsi_handler); - if (!priv->ndev) + if (!priv->ndev) { + err = -EINVAL; goto err_phy_connect; + } } else if (np && of_get_property(np, "phy-handle", NULL)) { struct phy_device *phy; @@ -1856,6 +1859,7 @@ static int ftgmac100_probe(struct platform_device *pdev) &ftgmac100_adjust_link); if (!phy) { dev_err(&pdev->dev, "Failed to connect to phy\n"); + err = -EINVAL; goto err_phy_connect; } -- 2.30.2
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