1 files changed, 5 insertions, 5 deletions
diff --git a/src/user/app/ethdump/icmp.c b/src/user/app/ethdump/icmp.c
index b3eff93..94f718e 100644
--- a/src/user/app/ethdump/icmp.c
+++ b/src/user/app/ethdump/icmp.c
@@ -1,6 +1,5 @@
 #include "proto.h"
 #include "util.h"
-#include <string.h>
 
 enum {
 	Type     = 0,
@@ -20,7 +19,7 @@ void icmp_parse(const uint8_t *buf, size_t len, struct ipv4 ip) {
 			.ip.e.dst = ip.e.src,
 		});
 		memcpy(pkt, buf + Payload, len - Payload);
-		icmp_finish(pkt);
+		icmp_finish(pkt, len - Payload);
 	}
 }
 
@@ -29,9 +28,10 @@ uint8_t *icmp_start(size_t len, struct icmp i) {
 	uint8_t *pkt = ipv4_start(Payload + len, i.ip);
 	pkt[Type] = i.type;
 	pkt[Code] = i.code;
-	nput16(pkt + Checksum, ip_checksum(pkt, Payload + len));
 	return pkt + Payload;
 }
-void icmp_finish(uint8_t *pkt) {
-	ipv4_finish(pkt - Payload);
+void icmp_finish(uint8_t *pkt, size_t len) {
+	pkt -= Payload;
+	nput16(pkt + Checksum, ip_checksum(pkt, Payload + len));
+	ipv4_finish(pkt);
 }