queue-5.15/ethtool-use-phydev-variable.patch

From 725a9c3badcf642fc66596959d6efbe4afa86497 Mon Sep 17 00:00:00 2001
From: Sasha Levin <sashal@kernel.org>
Date: Wed, 5 Jan 2022 06:10:20 -0800
Subject: ethtool: use phydev variable

From: Tom Rix <trix@redhat.com>

[ Upstream commit ccd21ec5b8dd9b8a528a70315cee95fc1dd79d20 ]

In ethtool_get_phy_stats(), the phydev varaible is set to
dev->phydev but dev->phydev is still used.  Replace
dev->phydev uses with phydev.

Signed-off-by: Tom Rix <trix@redhat.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Stable-dep-of: 7b07be1ff1cb ("ethtool: Avoid overflowing userspace buffer on stats query")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/ethtool/ioctl.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/net/ethtool/ioctl.c b/net/ethtool/ioctl.c
index 1e9e70a633d1c..4b736385912ef 100644
--- a/net/ethtool/ioctl.c
+++ b/net/ethtool/ioctl.c
@@ -2068,9 +2068,9 @@ static int ethtool_get_phy_stats(struct net_device *dev, void __user *useraddr)
 	if (!phydev && (!ops->get_ethtool_phy_stats || !ops->get_sset_count))
 		return -EOPNOTSUPP;
 
-	if (dev->phydev && !ops->get_ethtool_phy_stats &&
+	if (phydev && !ops->get_ethtool_phy_stats &&
 	    phy_ops && phy_ops->get_sset_count)
-		n_stats = phy_ops->get_sset_count(dev->phydev);
+		n_stats = phy_ops->get_sset_count(phydev);
 	else
 		n_stats = ops->get_sset_count(dev, ETH_SS_PHY_STATS);
 	if (n_stats < 0)
@@ -2090,9 +2090,9 @@ static int ethtool_get_phy_stats(struct net_device *dev, void __user *useraddr)
 		if (!data)
 			return -ENOMEM;
 
-		if (dev->phydev && !ops->get_ethtool_phy_stats &&
+		if (phydev && !ops->get_ethtool_phy_stats &&
 		    phy_ops && phy_ops->get_stats) {
-			ret = phy_ops->get_stats(dev->phydev, &stats, data);
+			ret = phy_ops->get_stats(phydev, &stats, data);
 			if (ret < 0)
 				goto out;
 		} else {
-- 
2.51.0