netdev - [PATCH] net: ll_temac: stop phy when request_irq() failed in temac

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-ID: <20221121010658.106749-1-shaozhengchao@huawei.com>
Date:   Mon, 21 Nov 2022 09:06:58 +0800
From:   Zhengchao Shao <shaozhengchao@...wei.com>
To:     <netdev@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>,
        <davem@...emloft.net>, <edumazet@...gle.com>, <kuba@...nel.org>,
        <pabeni@...hat.com>
CC:     <michal.simek@...inx.com>, <harini.katakam@....com>,
        <xuhaoyue1@...ilicon.com>, <huangjunxian6@...ilicon.com>,
        <wangqing@...o.com>, <chenhao288@...ilicon.com>,
        <yangyingliang@...wei.com>, <trix@...hat.com>,
        <afleming@...escale.com>, <grant.likely@...retlab.ca>,
        <weiyongjun1@...wei.com>, <yuehaibing@...wei.com>,
        <shaozhengchao@...wei.com>
Subject: [PATCH] net: ll_temac: stop phy when request_irq() failed in temac_open()

When request_irq() failed in temac_open(), phy is not stopped. Compiled
test only.

Fixes: 92744989533c ("net: add Xilinx ll_temac device driver")
Signed-off-by: Zhengchao Shao <shaozhengchao@...wei.com>
---
 drivers/net/ethernet/xilinx/ll_temac_main.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/xilinx/ll_temac_main.c b/drivers/net/ethernet/xilinx/ll_temac_main.c
index 1066420d6a83..2b61fa2c04a2 100644
--- a/drivers/net/ethernet/xilinx/ll_temac_main.c
+++ b/drivers/net/ethernet/xilinx/ll_temac_main.c
@@ -1193,8 +1193,10 @@ static int temac_open(struct net_device *ndev)
  err_rx_irq:
 	free_irq(lp->tx_irq, ndev);
  err_tx_irq:
-	if (phydev)
+	if (phydev) {
+		phy_stop(phydev);
 		phy_disconnect(phydev);
+	}
 	dev_err(lp->dev, "request_irq() failed\n");
 	return rc;
 }
@@ -1211,8 +1213,10 @@ static int temac_stop(struct net_device *ndev)
 	free_irq(lp->tx_irq, ndev);
 	free_irq(lp->rx_irq, ndev);
 
-	if (phydev)
+	if (phydev) {
+		phy_stop(phydev);
 		phy_disconnect(phydev);
+	}
 
 	temac_dma_bd_release(ndev);
 
-- 
2.17.1