1 files changed, 6 insertions, 4 deletions

diff --git a/net/dccp/timer.c b/net/dccp/timer.c
index 8447742f5615..bda0af639ae4 100644
--- a/net/dccp/timer.c
+++ b/net/dccp/timer.c
@@ -142,7 +142,7 @@ static void dccp_retransmit_timer(struct sock *sk)
 
         /* retransmit timer is used for feature negotiation throughout
          * connection.  In this case, no packet is re-transmitted, but rather an
-         * ack is generated and pending changes are splaced into its options.
+         * ack is generated and pending changes are placed into its options.
          */
         if (sk->sk_send_head == NULL) {
                 dccp_pr_debug("feat negotiation retransmit timeout %p\n", sk);
@@ -154,9 +154,11 @@ static void dccp_retransmit_timer(struct sock *sk)
         /*
          * sk->sk_send_head has to have one skb with
          * DCCP_SKB_CB(skb)->dccpd_type set to one of the retransmittable DCCP
-         * packet types (REQUEST, RESPONSE, the ACK in the 3way handshake
-         * (PARTOPEN timer), etc).
-         */
+         * packet types. The only packets eligible for retransmission are:
+         *      -- Requests in client-REQUEST  state (sec. 8.1.1)
+         *      -- Acks     in client-PARTOPEN state (sec. 8.1.5)
+         *      -- CloseReq in server-CLOSEREQ state (sec. 8.3)
+         *      -- Close    in   node-CLOSING  state (sec. 8.3)                */
         BUG_TRAP(sk->sk_send_head != NULL);
 
         /*