[Bionic][PATCH] UBUNTU: SAUCE: fix warning from "ipvlan: drop ipv6 dependency"

[Kamal Mostafa]

Backport commit eacec4b "ipvlan: drop ipv6 dependency" inadvertently
introduced an unused function ipvlan_is_valid_dev(), which should be
dropped.

Ignore: yes

Signed-off-by: Kamal Mostafa <kamal at canonical.com>
---
 drivers/net/ipvlan/ipvlan_main.c | 13 -------------
 1 file changed, 13 deletions(-)

diff --git a/drivers/net/ipvlan/ipvlan_main.c b/drivers/net/ipvlan/ipvlan_main.c
index 0cfbcdf..b858e98 100644
--- a/drivers/net/ipvlan/ipvlan_main.c
+++ b/drivers/net/ipvlan/ipvlan_main.c
@@ -847,19 +847,6 @@ static void ipvlan_del_addr(struct ipvl_dev *ipvlan, void *iaddr, bool is_v6)
 	kfree_rcu(addr, rcu);
 }
 
-static bool ipvlan_is_valid_dev(const struct net_device *dev)
-{
-	struct ipvl_dev *ipvlan = netdev_priv(dev);
-
-	if (!netif_is_ipvlan(dev))
-		return false;
-
-	if (!ipvlan || !ipvlan->port)
-		return false;
-
-	return true;
-}
-
 #if IS_ENABLED(CONFIG_IPV6)
 static int ipvlan_add_addr6(struct ipvl_dev *ipvlan, struct in6_addr *ip6_addr)
 {
-- 
2.7.4