From: Liu Jian Date: Thu, 17 Nov 2022 11:13:56 +0000 (+0800) Subject: net: ethernet: mtk_eth_soc: fix error handling in mtk_open() X-Git-Tag: v6.1~81^2~49 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=f70074140524c59a0935947b06dd6cb6e1ea642d;p=platform%2Fkernel%2Flinux-starfive.git 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 Reviewed-by: Russell King (Oracle) Link: https://lore.kernel.org/r/20221117111356.161547-1-liujian56@huawei.com Signed-off-by: Jakub Kicinski --- diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c index 7cd3815..1d1f234 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]);