From: YueHaibing yuehaibing@huawei.com
[ Upstream commit 09317da317e55e70ccbe23f65008348a4a1b7c7f ]
if failover_register failed, 'err' code should be set correctly
Fixes: cfc80d9a1163 ("net: Introduce net_failover driver") Signed-off-by: YueHaibing yuehaibing@huawei.com Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/net_failover.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/net/net_failover.c b/drivers/net/net_failover.c index 5a749dc25bec4..beeb7eb76ca32 100644 --- a/drivers/net/net_failover.c +++ b/drivers/net/net_failover.c @@ -765,8 +765,10 @@ struct failover *net_failover_create(struct net_device *standby_dev) netif_carrier_off(failover_dev);
failover = failover_register(failover_dev, &net_failover_ops); - if (IS_ERR(failover)) + if (IS_ERR(failover)) { + err = PTR_ERR(failover); goto err_failover_register; + }
return failover;