net: rtnetlink: unify the code in __rtnl_newlink get dev with the rest
__rtnl_newlink() code flow is a bit different around tb[IFLA_IFNAME]
processing comparing to the other places. Change that to be unified with
the rest.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index c389173..a001773 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -3080,12 +3080,10 @@ static int __rtnl_newlink(struct sk_buff *skb, struct nlmsghdr *nlh,
ifm = nlmsg_data(nlh);
if (ifm->ifi_index > 0)
dev = __dev_get_by_index(net, ifm->ifi_index);
- else {
- if (ifname[0])
- dev = __dev_get_by_name(net, ifname);
- else
- dev = NULL;
- }
+ else if (tb[IFLA_IFNAME])
+ dev = __dev_get_by_name(net, ifname);
+ else
+ dev = NULL;
if (dev) {
master_dev = netdev_master_upper_dev_get(dev);