Merge tag 'pci-v4.8-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

[cascardo/linux.git] / net / openvswitch / vport-gre.c

diff --git a/net/openvswitch/vport-gre.c b/net/openvswitch/vport-gre.c
index 7f8897f..0e72d95 100644 (file)
--- a/net/openvswitch/vport-gre.c
+++ b/net/openvswitch/vport-gre.c
@@ -54,6 +54,7 @@ static struct vport *gre_tnl_create(const struct vport_parms *parms)
        struct net *net = ovs_dp_get_net(parms->dp);
        struct net_device *dev;
        struct vport *vport;
+       int err;
 
        vport = ovs_vport_alloc(0, &ovs_gre_vport_ops, parms);
        if (IS_ERR(vport))
@@ -67,9 +68,15 @@ static struct vport *gre_tnl_create(const struct vport_parms *parms)
                return ERR_CAST(dev);
        }
 
-       dev_change_flags(dev, dev->flags | IFF_UP);
-       rtnl_unlock();
+       err = dev_change_flags(dev, dev->flags | IFF_UP);
+       if (err < 0) {
+               rtnl_delete_link(dev);
+               rtnl_unlock();
+               ovs_vport_free(vport);
+               return ERR_PTR(err);
+       }
 
+       rtnl_unlock();
        return vport;
 }