From: Claudiu Manoil <claudiu.manoil@xxxxxxx>
[ Upstream commit bff5b62585123823842833ab20b1c0a7fa437f8c ]
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@xxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/net/ethernet/freescale/gianfar.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/freescale/gianfar.c b/drivers/net/ethernet/freescale/gianfar.c
index df03cf63cb02..4feab06b7ad7 100644
--- a/drivers/net/ethernet/freescale/gianfar.c
+++ b/drivers/net/ethernet/freescale/gianfar.c
@@ -485,7 +485,11 @@ static struct net_device_stats *gfar_get_stats(struct net_device *dev)
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);
--
2.30.2
