From: Wang Hai <wanghai38@huawei.com>
Date: Thu, 3 Dec 2020 14:18:06 +0000 (+0800)
Subject: net: mvpp2: Fix error return code in mvpp2_open()
X-Git-Tag: v5.9.13~15
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9e99b623ecbed292518c0fdbc7c101a79e79d578;p=thirdparty%2Fkernel%2Fstable.git

net: mvpp2: Fix error return code in mvpp2_open()

[ Upstream commit 82a10dc7f0960735f40e8d7d3bee56934291600f ]

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@huawei.com>
Signed-off-by: Wang Hai <wanghai38@huawei.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20201203141806.37966-1-wanghai38@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
index 6e140d1b8967c..c0bee2f3224e1 100644
--- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
+++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
@@ -4249,6 +4249,7 @@ 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;
 	}