1 files changed, 2 insertions, 2 deletions

diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 424d9c4a67ac..e8b0fdd9edb8 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -1012,14 +1012,14 @@ static void tcp_v6_send_reset(struct sock *sk, struct sk_buff *skb)
         }
 #endif
 
-        buff->csum = csum_partial((char *)t1, sizeof(*t1), 0);
+        buff->csum = csum_partial((char *)t1, tot_len, 0);
 
         memset(&fl, 0, sizeof(fl));
         ipv6_addr_copy(&fl.fl6_dst, &ipv6_hdr(skb)->saddr);
         ipv6_addr_copy(&fl.fl6_src, &ipv6_hdr(skb)->daddr);
 
         t1->check = csum_ipv6_magic(&fl.fl6_src, &fl.fl6_dst,
-                                    sizeof(*t1), IPPROTO_TCP,
+                                    tot_len, IPPROTO_TCP,
                                     buff->csum);
 
         fl.proto = IPPROTO_TCP;