diff options
Diffstat (limited to 'src/vnet/ip/ip4_to_ip6.h')
| -rw-r--r-- | src/vnet/ip/ip4_to_ip6.h | 13 |
1 files changed, 5 insertions, 8 deletions
diff --git a/src/vnet/ip/ip4_to_ip6.h b/src/vnet/ip/ip4_to_ip6.h index 96b8bf1e676..965d27c3393 100644 --- a/src/vnet/ip/ip4_to_ip6.h +++ b/src/vnet/ip/ip4_to_ip6.h @@ -310,14 +310,11 @@ icmp_to_icmp6 (vlib_buffer_t * p, ip4_to_ip6_set_fn_t fn, void *ctx, else if (PREDICT_TRUE (inner_ip4->protocol == IP_PROTOCOL_UDP)) { inner_L4_checksum = &((udp_header_t *) (inner_ip4 + 1))->checksum; - if (!*inner_L4_checksum) - { - return -1; - } - *inner_L4_checksum = - ip_csum_fold (ip_csum_sub_even - (*inner_L4_checksum, - *((u64 *) (&inner_ip4->src_address)))); + if (*inner_L4_checksum) + *inner_L4_checksum = + ip_csum_fold (ip_csum_sub_even + (*inner_L4_checksum, + *((u64 *) (&inner_ip4->src_address)))); } else if (inner_ip4->protocol == IP_PROTOCOL_ICMP) { |