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Commit 32212f26 authored by Vineeta Srivastava's avatar Vineeta Srivastava Committed by Android (Google) Code Review
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Merge "libnetutils: Expect 1's complement if computed UDP checksum is zero"

parents 260854c0 1c87ae05

libnetutils/packet.c

+2 −0
Original line number Diff line number Diff line
@@ -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;