Fix GTP-U header in 4x IPv4 vector encapsulation
The fourth GTP-U packet had a wrong reference, leading to data
corruption.
@@ -308,7 +308,7 @@ gtpu_encap_inline (vlib_main_t * vm,
new_l2 = clib_host_to_net_u16 (vlib_buffer_length_in_chain(vm, b2)
- sizeof (*ip4_2) - sizeof(*udp2));
gtpu2->length = new_l2;
- gtpu3 = (gtpu_header_t *)(udp1+3);
+ gtpu3 = (gtpu_header_t *)(udp3+1);
new_l3 = clib_host_to_net_u16 (vlib_buffer_length_in_chain(vm, b3)
- sizeof (*ip4_3) - sizeof(*udp3));
gtpu3->length = new_l3;
