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-rw-r--r--print-tcp.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/print-tcp.c b/print-tcp.c
index 24025e59..82840419 100644
--- a/print-tcp.c
+++ b/print-tcp.c
@@ -432,7 +432,7 @@ tcp_print(register const u_char *bp, register u_int length,
#ifdef INET6
else if (IP_V(ip) == 6 && ip6->ip6_plen) {
if (TTEST2(tp->th_sport, length)) {
- sum = nextproto6_cksum(ip6, (u_short *)tp, length, IPPROTO_TCP);
+ sum = nextproto6_cksum(ip6, (const u_int8_t *)tp, length, IPPROTO_TCP);
tcp_sum = EXTRACT_16BITS(&tp->th_sum);
(void)printf(", cksum 0x%04x", tcp_sum);