[CCID] Only call the HC insert_options methods when requested

Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>

1 files changed, 8 insertions, 3 deletions

diff --git a/net/dccp/options.c b/net/dccp/options.c
index 382c5894acb2..7ad2f4266ff9 100644
--- a/net/dccp/options.c
+++ b/net/dccp/options.c
@@ -505,13 +505,18 @@ void dccp_insert_options(struct sock *sk, struct sk_buff *skb)
                     (dp->dccps_hc_rx_ackpkts->dccpap_buf_ackno !=
                      DCCP_MAX_SEQNO + 1))
                         dccp_insert_option_ack_vector(sk, skb);
-
                 if (dp->dccps_timestamp_echo != 0)
                         dccp_insert_option_timestamp_echo(sk, skb);
         }
 
-        ccid_hc_rx_insert_options(dp->dccps_hc_rx_ccid, sk, skb);
-        ccid_hc_tx_insert_options(dp->dccps_hc_tx_ccid, sk, skb);
+        if (dp->dccps_hc_rx_insert_options) {
+                ccid_hc_rx_insert_options(dp->dccps_hc_rx_ccid, sk, skb);
+                dp->dccps_hc_rx_insert_options = 0;
+        }
+        if (dp->dccps_hc_tx_insert_options) {
+                ccid_hc_tx_insert_options(dp->dccps_hc_tx_ccid, sk, skb);
+                dp->dccps_hc_tx_insert_options = 0;
+        }
 
         /* XXX: insert other options when appropriate */