tree: git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git master
head: 16040894b26af9f85d9395f072c53d76a44eba21
commit: 614732eaa12dd462c0ab274700bed14f36afea5e [200/208] openvswitch: Use
regular VXLAN net_device device
reproduce:
# apt-get install sparse
git checkout 614732eaa12dd462c0ab274700bed14f36afea5e
make ARCH=x86_64 allmodconfig
make C=1 CF=-D__CHECK_ENDIAN__
sparse warnings: (new ones prefixed by >>)
include/net/checksum.h:166:35: sparse: incorrect type in argument 1
(different base types)
include/net/checksum.h:166:35: expected restricted __wsum [usertype] csum
include/net/checksum.h:166:35: got restricted __sum16
include/net/checksum.h:166:43: sparse: incorrect type in argument 2
(different base types)
include/net/checksum.h:166:43: expected restricted __wsum [usertype]
addend
include/net/checksum.h:166:43: got restricted __sum16 [usertype] <noident>
include/net/checksum.h:174:43: sparse: incorrect type in argument 2
(different base types)
include/net/checksum.h:174:43: expected restricted __wsum [usertype]
addend
include/net/checksum.h:174:43: got restricted __sum16 [usertype] <noident>
include/net/checksum.h:166:35: sparse: incorrect type in argument 1
(different base types)
include/net/checksum.h:166:35: expected restricted __wsum [usertype] csum
include/net/checksum.h:166:35: got restricted __sum16
include/net/checksum.h:166:43: sparse: incorrect type in argument 2
(different base types)
include/net/checksum.h:166:43: expected restricted __wsum [usertype]
addend
include/net/checksum.h:166:43: got restricted __sum16 [usertype] <noident>
>> drivers/net/vxlan.c:1739:21: sparse: incorrect type in assignment (different
>> base types)
drivers/net/vxlan.c:1739:21: expected restricted __be32 [usertype] vx_vni
drivers/net/vxlan.c:1739:21: got unsigned int [unsigned] [usertype] vni
drivers/net/vxlan.c:1818:21: sparse: incorrect type in assignment (different
base types)
drivers/net/vxlan.c:1818:21: expected restricted __be32 [usertype] vx_vni
drivers/net/vxlan.c:1818:21: got unsigned int [unsigned] [usertype] vni
>> drivers/net/vxlan.c:2014:58: sparse: incorrect type in argument 11
>> (different base types)
drivers/net/vxlan.c:2014:58: expected unsigned int [unsigned] [usertype]
vni
drivers/net/vxlan.c:2014:58: got restricted __be32 [usertype] <noident>
drivers/net/vxlan.c:2072:67: sparse: incorrect type in argument 11
(different base types)
drivers/net/vxlan.c:2072:67: expected unsigned int [unsigned] [usertype]
vni
drivers/net/vxlan.c:2072:67: got restricted __be32 [usertype] <noident>
vim +1739 drivers/net/vxlan.c
1723 }
1724
1725 skb = vlan_hwaccel_push_inside(skb);
1726 if (WARN_ON(!skb)) {
1727 err = -ENOMEM;
1728 goto err;
1729 }
1730
1731 skb = iptunnel_handle_offloads(skb, udp_sum, type);
1732 if (IS_ERR(skb)) {
1733 err = -EINVAL;
1734 goto err;
1735 }
1736
1737 vxh = (struct vxlanhdr *) __skb_push(skb, sizeof(*vxh));
1738 vxh->vx_flags = htonl(VXLAN_HF_VNI);
> 1739 vxh->vx_vni = vni;
1740
1741 if (type & SKB_GSO_TUNNEL_REMCSUM) {
1742 u32 data = (skb_checksum_start_offset(skb) - hdrlen) >>
1743 VXLAN_RCO_SHIFT;
1744
1745 if (skb->csum_offset == offsetof(struct udphdr, check))
1746 data |= VXLAN_RCO_UDP;
1747
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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