diff options
| author | Liu Jian <liujian56@huawei.com> | 2022-11-17 14:13:56 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2022-11-19 06:33:05 +0300 |
| commit | f70074140524c59a0935947b06dd6cb6e1ea642d (patch) | |
| tree | cfe3173d8a26a96306679266a89a06415dbd6b13 | |
| parent | 2360f9b8c4e81d242d4cbf99d630a2fffa681fab (diff) | |
| download | linux-f70074140524c59a0935947b06dd6cb6e1ea642d.tar.xz | |
net: ethernet: mtk_eth_soc: fix error handling in mtk_open()
If mtk_start_dma() fails, invoke phylink_disconnect_phy() to perform
cleanup. phylink_disconnect_phy() contains the put_device action. If
phylink_disconnect_phy is not performed, the Kref of netdev will leak.
Fixes: b8fc9f30821e ("net: ethernet: mediatek: Add basic PHYLINK support")
Signed-off-by: Liu Jian <liujian56@huawei.com>
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Link: https://lore.kernel.org/r/20221117111356.161547-1-liujian56@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
| -rw-r--r-- | drivers/net/ethernet/mediatek/mtk_eth_soc.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c index 7cd381530aa4..1d1f2342e3ec 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c @@ -2996,8 +2996,10 @@ static int mtk_open(struct net_device *dev) int i; err = mtk_start_dma(eth); - if (err) + if (err) { + phylink_disconnect_phy(mac->phylink); return err; + } for (i = 0; i < ARRAY_SIZE(eth->ppe); i++) mtk_ppe_start(eth->ppe[i]); |