From 1514dc857f8ebbeb44da09236efa133ed6e15615 Mon Sep 17 00:00:00 2001
From: Guillaume Nault <g.nault@alphalink.fr>
Date: Wed, 26 Apr 2017 11:54:47 +0200
Subject: [PATCH] l2tp: remove useless device duplication test in
l2tp_eth_create()
There's no need to verify that cfg->ifname is unique at this point.
register_netdev() will return -EEXIST if asked to create a device with
a name that's alrealy in use.
Signed-off-by: Guillaume Nault <g.nault@alphalink.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
net/l2tp/l2tp_eth.c | 6 ------
1 file changed, 6 deletions(-)
diff --git a/net/l2tp/l2tp_eth.c b/net/l2tp/l2tp_eth.c
index 59aba8aeac03f..8b21af7321b92 100644
--- a/net/l2tp/l2tp_eth.c
+++ b/net/l2tp/l2tp_eth.c
@@ -280,12 +280,6 @@ static int l2tp_eth_create(struct net *net, u32 tunnel_id, u32 session_id, u32 p
}
if (cfg->ifname) {
- dev = dev_get_by_name(net, cfg->ifname);
- if (dev) {
- dev_put(dev);
- rc = -EEXIST;
- goto out;
- }
strlcpy(name, cfg->ifname, IFNAMSIZ);
name_assign_type = NET_NAME_USER;
} else {
--
2.30.2