linux-kernel - [PATCH net] net: mvpp2: Fix error return code in mvpp2

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Message-ID: <20201203141806.37966-1-wanghai38@huawei.com>
Date:   Thu, 3 Dec 2020 22:18:06 +0800
From:   Wang Hai <wanghai38@...wei.com>
To:     <davem@...emloft.net>, <kuba@...nel.org>,
        <rmk+kernel@...linux.org.uk>, <mcroce@...rosoft.com>,
        <sven.auhagen@...eatech.de>, <andrew@...n.ch>, <atenart@...nel.org>
CC:     <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH net] net: mvpp2: Fix error return code in mvpp2_open()

Fix to return negative error code -ENOENT from invalid configuration
error handling case instead of 0, as done elsewhere in this function.

Fixes: 4bb043262878 ("net: mvpp2: phylink support")
Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Wang Hai <wanghai38@...wei.com>
---
 drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
index f6616c8933ca..cea886c5bcb5 100644
--- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
+++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
@@ -4426,6 +4426,7 @@ static int mvpp2_open(struct net_device *dev)
 	if (!valid) {
 		netdev_err(port->dev,
 			   "invalid configuration: no dt or link IRQ");
+		err = -ENOENT;
 		goto err_free_irq;
 	}
 
-- 
2.17.1