From: Michael Walle <michael@walle.cc>
Date: Fri, 8 Nov 2019 00:58:21 +0100
Subject: enetc: fix return value for enetc_ioctl()

Git-commit: c55b810abb136191b6c9f40301eb5efcf8503f38
Patch-mainline: v5.5-rc1
References: jsc#SLE-9316

Return -EOPNOTSUPP instead of -EINVAL if the requested ioctl is not
implemented.

Signed-off-by: Michael Walle <michael@walle.cc>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@suse.com>
---
 drivers/net/ethernet/freescale/enetc/enetc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/freescale/enetc/enetc.c b/drivers/net/ethernet/freescale/enetc/enetc.c
index 25af207f1962..3e8f9819f08c 100644
--- a/drivers/net/ethernet/freescale/enetc/enetc.c
+++ b/drivers/net/ethernet/freescale/enetc/enetc.c
@@ -1601,7 +1601,7 @@ int enetc_ioctl(struct net_device *ndev, struct ifreq *rq, int cmd)
 #endif
 
 	if (!ndev->phydev)
-		return -EINVAL;
+		return -EOPNOTSUPP;
 	return phy_mii_ioctl(ndev->phydev, rq, cmd);
 }
 
-- 
2.16.4