[DCCP]: Fix the ACK and SEQ window variables settings

This is from a first audit, more eyeballs are more than welcome.

Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 4 insertions, 8 deletions

diff --git a/net/dccp/dccp.h b/net/dccp/dccp.h
index aab72b8d0703..33968a9422f2 100644
--- a/net/dccp/dccp.h
+++ b/net/dccp/dccp.h
@@ -340,13 +340,11 @@ static inline void dccp_hdr_set_ack(struct dccp_hdr_ack_bits *dhack,
 static inline void dccp_update_gsr(struct sock *sk, u64 seq)
 {
         struct dccp_sock *dp = dccp_sk(sk);
-        u64 tmp_gsr;
 
-        dccp_set_seqno(&tmp_gsr,
+        dp->dccps_gsr = seq;
+        dccp_set_seqno(&dp->dccps_swl,
                        (dp->dccps_gsr + 1 -
                         (dp->dccps_options.dccpo_sequence_window / 4)));
-        dp->dccps_gsr = seq;
-        dccp_set_seqno(&dp->dccps_swl, max48(tmp_gsr, dp->dccps_isr));
         dccp_set_seqno(&dp->dccps_swh,
                        (dp->dccps_gsr +
                         (3 * dp->dccps_options.dccpo_sequence_window) / 4));
@@ -355,13 +353,11 @@ static inline void dccp_update_gsr(struct sock *sk, u64 seq)
 static inline void dccp_update_gss(struct sock *sk, u64 seq)
 {
         struct dccp_sock *dp = dccp_sk(sk);
-        u64 tmp_gss;
 
-        dccp_set_seqno(&tmp_gss,
+        dp->dccps_awh = dp->dccps_gss = seq;
+        dccp_set_seqno(&dp->dccps_awl,
                        (dp->dccps_gss -
                         dp->dccps_options.dccpo_sequence_window + 1));
-        dp->dccps_awl = max48(tmp_gss, dp->dccps_iss);
-        dp->dccps_awh = dp->dccps_gss = seq;
 }
 
 extern void dccp_insert_options(struct sock *sk, struct sk_buff *skb);