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-rw-r--r--vnet/vnet/lisp-cp/packets.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/vnet/vnet/lisp-cp/packets.c b/vnet/vnet/lisp-cp/packets.c
index aa246a9dc3d..28471b9a82d 100644
--- a/vnet/vnet/lisp-cp/packets.c
+++ b/vnet/vnet/lisp-cp/packets.c
@@ -225,7 +225,7 @@ pkt_push_udp_and_ip (vlib_main_t * vm, vlib_buffer_t *b, u16 sp, u16 dp,
udpsum = udp_checksum (uh, clib_net_to_host_u16 (uh->length), ih,
ip_addr_version(sip));
- if (udpsum == -1)
+ if (udpsum == (u16) ~0)
{
clib_warning("Failed UDP checksum! Discarding");
return 0;