1 files changed, 5 insertions, 8 deletions

diff --git a/net/dccp/ccids/ccid2.c b/net/dccp/ccids/ccid2.c
index f56ab68a4b78..813d5cd40e8b 100644
--- a/net/dccp/ccids/ccid2.c
+++ b/net/dccp/ccids/ccid2.c
@@ -580,8 +580,7 @@ static void ccid2_hc_tx_packet_recv(struct sock *sk, struct sk_buff *skb)
                                          &vector, &veclen)) != -1) {
                 /* go through this ack vector */
                 while (veclen--) {
-                        const u8 rl = *vector & DCCP_ACKVEC_LEN_MASK;
-                        u64 ackno_end_rl = SUB48(ackno, rl);
+                        u64 ackno_end_rl = SUB48(ackno, dccp_ackvec_runlen(vector));
 
                         ccid2_pr_debug("ackvec start:%llu end:%llu\n",
                                        (unsigned long long)ackno,
@@ -604,17 +603,15 @@ static void ccid2_hc_tx_packet_recv(struct sock *sk, struct sk_buff *skb)
                          * run length
                          */
                         while (between48(seqp->ccid2s_seq,ackno_end_rl,ackno)) {
-                                const u8 state = *vector &
-                                                 DCCP_ACKVEC_STATE_MASK;
+                                const u8 state = dccp_ackvec_state(vector);
 
                                 /* new packet received or marked */
-                                if (state != DCCP_ACKVEC_STATE_NOT_RECEIVED &&
+                                if (state != DCCPAV_NOT_RECEIVED &&
                                     !seqp->ccid2s_acked) {
-                                        if (state ==
-                                            DCCP_ACKVEC_STATE_ECN_MARKED) {
+                                        if (state == DCCPAV_ECN_MARKED)
                                                 ccid2_congestion_event(sk,
                                                                        seqp);
-                                        } else
+                                        else
                                                 ccid2_new_ack(sk, seqp,
                                                               &maxincr);