Hi stephen,

FYI, there are new sparse warnings show up in

commit: d342894c5d2f8c7df194c793ec4059656e09ca31  vxlan: virtual extensible lan

+ drivers/net/vxlan.c:676:53: sparse: incorrect type in argument 5 (different base types)
  drivers/net/vxlan.c:676:53:    expected restricted __be32 [usertype] gre_key
  drivers/net/vxlan.c:676:53:    got unsigned int [unsigned] [usertype] vni
+ drivers/net/vxlan.c:706:20: sparse: incorrect type in assignment (different base types)
  drivers/net/vxlan.c:706:20:    expected restricted __be16 [usertype] source
  drivers/net/vxlan.c:706:20:    got unsigned int
  drivers/net/vxlan.c:1087:69: sparse: incorrect type in argument 3 (different base types)
  drivers/net/vxlan.c:1087:69:    expected unsigned int [unsigned] [usertype] value
  drivers/net/vxlan.c:1087:69:    got restricted __be32 const [usertype] gaddr
  drivers/net/vxlan.c:1093:69: sparse: incorrect type in argument 3 (different base types)
  drivers/net/vxlan.c:1093:69:    expected unsigned int [unsigned] [usertype] value
  drivers/net/vxlan.c:1093:69:    got restricted __be32 const [usertype] saddr

vim +676 drivers/net/vxlan.c

d342894c stephen hemminger 2012-10-01  660  	else if (vxlan->gaddr) {
d342894c stephen hemminger 2012-10-01  661  		dst = vxlan->gaddr;
d342894c stephen hemminger 2012-10-01  662  	} else
d342894c stephen hemminger 2012-10-01  663  		goto drop;
d342894c stephen hemminger 2012-10-01  664  
d342894c stephen hemminger 2012-10-01  665  	ttl = vxlan->ttl;
d342894c stephen hemminger 2012-10-01  666  	if (!ttl && IN_MULTICAST(ntohl(dst)))
d342894c stephen hemminger 2012-10-01  667  		ttl = 1;
d342894c stephen hemminger 2012-10-01  668  
d342894c stephen hemminger 2012-10-01  669  	tos = vxlan->tos;
d342894c stephen hemminger 2012-10-01  670  	if (tos == 1)
d342894c stephen hemminger 2012-10-01  671  		tos = vxlan_get_dsfield(old_iph, skb);
d342894c stephen hemminger 2012-10-01  672  
d342894c stephen hemminger 2012-10-01  673  	hash = skb_get_rxhash(skb);
d342894c stephen hemminger 2012-10-01  674  
d342894c stephen hemminger 2012-10-01  675  	rt = ip_route_output_gre(dev_net(dev), &fl4, dst,
d342894c stephen hemminger 2012-10-01 @676  				 vxlan->saddr, vxlan->vni,
d342894c stephen hemminger 2012-10-01  677  				 RT_TOS(tos), vxlan->link);
d342894c stephen hemminger 2012-10-01  678  	if (IS_ERR(rt)) {
d342894c stephen hemminger 2012-10-01  679  		netdev_dbg(dev, "no route to %pI4\n", &dst);
d342894c stephen hemminger 2012-10-01  680  		dev->stats.tx_carrier_errors++;
d342894c stephen hemminger 2012-10-01  681  		goto tx_error;
d342894c stephen hemminger 2012-10-01  682  	}
d342894c stephen hemminger 2012-10-01  683  
d342894c stephen hemminger 2012-10-01  684  	if (rt->dst.dev == dev) {

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0-DAY kernel build testing backend         Open Source Technology Center
Fengguang Wu, Yuanhan Liu                              Intel Corporation