From: Claudiu Manoil <claudiu.manoil@nxp.com>
Date: Mon, 29 Mar 2021 14:08:47 +0000 (+0300)
Subject: gianfar: Handle error code at MAC address change
X-Git-Tag: accepted/tizen/unified/20230118.172025~7507^2~62
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=bff5b62585123823842833ab20b1c0a7fa437f8c;p=platform%2Fkernel%2Flinux-rpi.git

gianfar: Handle error code at MAC address change

Handle return error code of eth_mac_addr();

Fixes: 3d23a05c75c7 ("gianfar: Enable changing mac addr when if up")
Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/ethernet/freescale/gianfar.c b/drivers/net/ethernet/freescale/gianfar.c
index 1cf8ef7..3ec4d9f 100644
--- a/drivers/net/ethernet/freescale/gianfar.c
+++ b/drivers/net/ethernet/freescale/gianfar.c
@@ -363,7 +363,11 @@ static void gfar_set_mac_for_addr(struct net_device *dev, int num,
 
 static int gfar_set_mac_addr(struct net_device *dev, void *p)
 {
-	eth_mac_addr(dev, p);
+	int ret;
+
+	ret = eth_mac_addr(dev, p);
+	if (ret)
+		return ret;
 
 	gfar_set_mac_for_addr(dev, 0, dev->dev_addr);