4 files changed, 6 insertions, 6 deletions
diff --git a/networking/udhcp/d6_dhcpc.c b/networking/udhcp/d6_dhcpc.c
index fc2d672b7..ac8af91d3 100644
--- a/networking/udhcp/d6_dhcpc.c
+++ b/networking/udhcp/d6_dhcpc.c
@@ -947,7 +947,7 @@ static NOINLINE int d6_recv_raw_packet(struct in6_addr *peer_ipv6, struct d6_pac
 //	packet.ip.tot_len = packet.udp.len; /* yes, this is needed */
 //	check = packet.udp.check;
 //	packet.udp.check = 0;
-//	if (check && check != inet_cksum((uint16_t *)&packet, bytes)) {
+//	if (check && check != inet_cksum(&packet, bytes)) {
 //		log1("packet with bad UDP checksum received, ignoring");
 //		return -2;
 //	}
diff --git a/networking/udhcp/d6_packet.c b/networking/udhcp/d6_packet.c
index 446497e15..167a813e3 100644
--- a/networking/udhcp/d6_packet.c
+++ b/networking/udhcp/d6_packet.c
@@ -103,7 +103,7 @@ int FAST_FUNC d6_send_raw_packet(
 	 */
 	packet.ip6.ip6_hlim = IPPROTO_UDP;
 	packet.udp.check = inet_cksum(
-				(uint16_t *)&packet + 2,
+				(uint8_t *)&packet + 4,
 				offsetof(struct ip6_udp_d6_packet, data) - 4 + d6_pkt_size
 	);
 	/* fix 'hop limit' and 'next header' after UDP checksumming */
diff --git a/networking/udhcp/dhcpc.c b/networking/udhcp/dhcpc.c
index e13eb3f9f..66aa38c20 100644
--- a/networking/udhcp/dhcpc.c
+++ b/networking/udhcp/dhcpc.c
@@ -935,7 +935,7 @@ 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 != inet_cksum((uint16_t *)&packet.ip, sizeof(packet.ip))) {
+	if (check != inet_cksum(&packet.ip, sizeof(packet.ip))) {
 		log1s("bad IP header checksum, ignoring");
 		return -2;
 	}
@@ -960,7 +960,7 @@ 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 != inet_cksum((uint16_t *)&packet, bytes)) {
+	if (check && check != inet_cksum(&packet, bytes)) {
 		log1s("packet with bad UDP checksum received, ignoring");
 		return -2;
 	}
diff --git a/networking/udhcp/packet.c b/networking/udhcp/packet.c
index 6d4375237..51374646d 100644
--- a/networking/udhcp/packet.c
+++ b/networking/udhcp/packet.c
@@ -164,14 +164,14 @@ int FAST_FUNC udhcp_send_raw_packet(struct dhcp_packet *dhcp_pkt,
 	packet.udp.len = htons(UDP_DHCP_SIZE - padding);
 	/* for UDP checksumming, ip.len is set to UDP packet len */
 	packet.ip.tot_len = packet.udp.len;
-	packet.udp.check = inet_cksum((uint16_t *)&packet,
+	packet.udp.check = inet_cksum(&packet,
 			IP_UDP_DHCP_SIZE - padding);
 	/* but for sending, it is set to IP packet len */
 	packet.ip.tot_len = htons(IP_UDP_DHCP_SIZE - padding);
 	packet.ip.ihl = sizeof(packet.ip) >> 2;
 	packet.ip.version = IPVERSION;
 	packet.ip.ttl = IPDEFTTL;
-	packet.ip.check = inet_cksum((uint16_t *)&packet.ip, sizeof(packet.ip));
+	packet.ip.check = inet_cksum(&packet.ip, sizeof(packet.ip));
 
 	udhcp_dump_packet(dhcp_pkt);
 	result = sendto(fd, &packet, IP_UDP_DHCP_SIZE - padding, /*flags:*/ 0,