diff options
Diffstat (limited to 'libnetutils')
| -rw-r--r-- | libnetutils/packet.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libnetutils/packet.c b/libnetutils/packet.c index be4e0db..3cdefb0 100644 --- a/libnetutils/packet.c +++ b/libnetutils/packet.c @@ -230,6 +230,8 @@ int receive_packet(int s, struct dhcp_msg *msg) packet.udp.check = 0; sum = finish_sum(checksum(&packet, nread, 0)); packet.udp.check = temp; + if (!sum) + sum = finish_sum(sum); if (temp != sum) { ALOGW("UDP header checksum failure (0x%x should be 0x%x)", sum, temp); return -1; |