* [PATCH -next] net: ftgmac100: add missing error return code in ftgmac100_probe()
@ 2021-05-22 12:02 Yang Yingliang
2021-05-24 0:30 ` patchwork-bot+netdevbpf
0 siblings, 1 reply; 2+ messages in thread
From: Yang Yingliang @ 2021-05-22 12:02 UTC (permalink / raw)
To: linux-kernel, netdev; +Cc: davem, kuba, andrew, gwshan
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>
---
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;
}
--
2.25.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH -next] net: ftgmac100: add missing error return code in ftgmac100_probe()
2021-05-22 12:02 [PATCH -next] net: ftgmac100: add missing error return code in ftgmac100_probe() Yang Yingliang
@ 2021-05-24 0:30 ` patchwork-bot+netdevbpf
0 siblings, 0 replies; 2+ messages in thread
From: patchwork-bot+netdevbpf @ 2021-05-24 0:30 UTC (permalink / raw)
To: Yang Yingliang; +Cc: linux-kernel, netdev, davem, kuba, andrew, gwshan
Hello:
This patch was applied to netdev/net-next.git (refs/heads/master):
On Sat, 22 May 2021 20:02:46 +0800 you wrote:
> 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>
>
> [...]
Here is the summary with links:
- [-next] net: ftgmac100: add missing error return code in ftgmac100_probe()
https://git.kernel.org/netdev/net-next/c/52af13a41489
You are awesome, thank you!
--
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^ permalink raw reply [flat|nested] 2+ messages in thread
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