From: Claudiu Manoil claudiu.manoil@nxp.com
[ 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@nxp.com Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Sasha Levin sashal@kernel.org --- 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 a8959a092344..382a45d84cc3 100644 --- a/drivers/net/ethernet/freescale/gianfar.c +++ b/drivers/net/ethernet/freescale/gianfar.c @@ -366,7 +366,11 @@ 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);