networking: consolidate the IP checksum code. -129 bytes.

Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/networking/udhcp/dhcpc.c b/networking/udhcp/dhcpc.c
index 4d755e6b8..3be09f4d7 100644
--- a/networking/udhcp/dhcpc.c
+++ b/networking/udhcp/dhcpc.c
@@ -739,7 +739,7 @@ static NOINLINE int udhcp_recv_raw_packet(struct dhcp_packet *dhcp_pkt, int fd)
         /* verify IP checksum */
         check = packet.ip.check;
         packet.ip.check = 0;
-        if (check != udhcp_checksum(&packet.ip, sizeof(packet.ip))) {
+        if (check != inet_cksum((uint16_t *)&packet.ip, sizeof(packet.ip))) {
                 log1("Bad IP header checksum, ignoring");
                 return -2;
         }
@@ -750,7 +750,7 @@ static NOINLINE int udhcp_recv_raw_packet(struct dhcp_packet *dhcp_pkt, int fd)
         packet.ip.tot_len = packet.udp.len; /* yes, this is needed */
         check = packet.udp.check;
         packet.udp.check = 0;
-        if (check && check != udhcp_checksum(&packet, bytes)) {
+        if (check && check != inet_cksum((uint16_t *)&packet, bytes)) {
                 log1("Packet with bad UDP checksum received, ignoring");
                 return -2;
         }