net_failover: fixed rollback in net_failover_open()

[openwrt/staging/blogic.git] / drivers / net / net_failover.c

diff --git a/drivers/net/net_failover.c b/drivers/net/net_failover.c
index b16a1221d19b97029c84a9e91d06a70babe4a9db..fb182bec8f062378414235ac81e11d4520f6f010 100644 (file)
--- a/drivers/net/net_failover.c
+++ b/drivers/net/net_failover.c
@@ -61,7 +61,8 @@ static int net_failover_open(struct net_device *dev)
        return 0;
 
 err_standby_open:
-       dev_close(primary_dev);
+       if (primary_dev)
+               dev_close(primary_dev);
 err_primary_open:
        netif_tx_disable(dev);
        return err;