The function gretap_fb_dev_create() (only used by ovs) never calls
rtnl_configure_link(). The consequence is that dev->rtnl_link_state is
never set to RTNL_LINK_INITIALIZED.
During the deletion phase, the function rollback_registered_many() sends
a RTM_DELLINK only if dev->rtnl_link_state is set to RTNL_LINK_INITIALIZED.
Fixes: b2acd1dc3949 ("openvswitch: Use regular GRE net_device instead of vport")
CC: Thomas Graf <tg...@suug.ch>
CC: Pravin B Shelar <pshe...@nicira.com>
Signed-off-by: Nicolas Dichtel <nicolas.dich...@6wind.com>
---
net/ipv4/ip_gre.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index 4d2025f7ec57..c6a46ee87a3a 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -1146,6 +1146,10 @@ struct net_device *gretap_fb_dev_create(struct net *net,
const char *name,
if (err)
goto out;
+ err = rtnl_configure_link(dev, NULL);
+ if (err < 0)
+ goto out;
+
return dev;
out:
free_netdev(dev);
--
2.4.2
