5 files changed, 26 insertions, 25 deletions

diff --git a/net/dccp/ccids/ccid2.c b/net/dccp/ccids/ccid2.c
index 5e3a7302f774..e1295d5f2c56 100644
--- a/net/dccp/ccids/ccid2.c
+++ b/net/dccp/ccids/ccid2.c
@@ -233,7 +233,7 @@ static void ccid2_hc_tx_packet_sent(struct sock *sk, unsigned int len)
 {
 	struct dccp_sock *dp = dccp_sk(sk);
 	struct ccid2_hc_tx_sock *hc = ccid2_hc_tx_sk(sk);
-	const u32 now = ccid2_time_stamp;
+	const u32 now = ccid2_jiffies32;
 	struct ccid2_seq *next;
 
 	/* slow-start after idle periods (RFC 2581, RFC 2861) */
@@ -466,7 +466,7 @@ static void ccid2_new_ack(struct sock *sk, struct ccid2_seq *seqp,
 	 * The cleanest solution is to not use the ccid2s_sent field at all
 	 * and instead use DCCP timestamps: requires changes in other places.
 	 */
-	ccid2_rtt_estimator(sk, ccid2_time_stamp - seqp->ccid2s_sent);
+	ccid2_rtt_estimator(sk, ccid2_jiffies32 - seqp->ccid2s_sent);
 }
 
 static void ccid2_congestion_event(struct sock *sk, struct ccid2_seq *seqp)
@@ -478,7 +478,7 @@ static void ccid2_congestion_event(struct sock *sk, struct ccid2_seq *seqp)
 		return;
 	}
 
-	hc->tx_last_cong = ccid2_time_stamp;
+	hc->tx_last_cong = ccid2_jiffies32;
 
 	hc->tx_cwnd      = hc->tx_cwnd / 2 ? : 1U;
 	hc->tx_ssthresh  = max(hc->tx_cwnd, 2U);
@@ -731,7 +731,7 @@ static int ccid2_hc_tx_init(struct ccid *ccid, struct sock *sk)
 
 	hc->tx_rto	 = DCCP_TIMEOUT_INIT;
 	hc->tx_rpdupack  = -1;
-	hc->tx_last_cong = hc->tx_lsndtime = hc->tx_cwnd_stamp = ccid2_time_stamp;
+	hc->tx_last_cong = hc->tx_lsndtime = hc->tx_cwnd_stamp = ccid2_jiffies32;
 	hc->tx_cwnd_used = 0;
 	setup_timer(&hc->tx_rtotimer, ccid2_hc_tx_rto_expire,
 			(unsigned long)sk);
diff --git a/net/dccp/ccids/ccid2.h b/net/dccp/ccids/ccid2.h
index 18c97543e522..6e50ef2898fb 100644
--- a/net/dccp/ccids/ccid2.h
+++ b/net/dccp/ccids/ccid2.h
@@ -27,7 +27,7 @@
  * CCID-2 timestamping faces the same issues as TCP timestamping.
  * Hence we reuse/share as much of the code as possible.
  */
-#define ccid2_time_stamp	tcp_time_stamp
+#define ccid2_jiffies32	((u32)jiffies)
 
 /* NUMDUPACK parameter from RFC 4341, p. 6 */
 #define NUMDUPACK	3
diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c
index f75482bdee9a..f85d901f4e3f 100644
--- a/net/dccp/ipv4.c
+++ b/net/dccp/ipv4.c
@@ -1033,33 +1033,34 @@ static int __init dccp_v4_init(void)
 {
 	int err = proto_register(&dccp_v4_prot, 1);
 
-	if (err != 0)
+	if (err)
 		goto out;
 
-	err = inet_add_protocol(&dccp_v4_protocol, IPPROTO_DCCP);
-	if (err != 0)
-		goto out_proto_unregister;
-
 	inet_register_protosw(&dccp_v4_protosw);
 
 	err = register_pernet_subsys(&dccp_v4_ops);
 	if (err)
 		goto out_destroy_ctl_sock;
+
+	err = inet_add_protocol(&dccp_v4_protocol, IPPROTO_DCCP);
+	if (err)
+		goto out_proto_unregister;
+
 out:
 	return err;
+out_proto_unregister:
+	unregister_pernet_subsys(&dccp_v4_ops);
 out_destroy_ctl_sock:
 	inet_unregister_protosw(&dccp_v4_protosw);
-	inet_del_protocol(&dccp_v4_protocol, IPPROTO_DCCP);
-out_proto_unregister:
 	proto_unregister(&dccp_v4_prot);
 	goto out;
 }
 
 static void __exit dccp_v4_exit(void)
 {
+	inet_del_protocol(&dccp_v4_protocol, IPPROTO_DCCP);
 	unregister_pernet_subsys(&dccp_v4_ops);
 	inet_unregister_protosw(&dccp_v4_protosw);
-	inet_del_protocol(&dccp_v4_protocol, IPPROTO_DCCP);
 	proto_unregister(&dccp_v4_prot);
 }
 
diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c
index 992621172220..c376af5bfdfb 100644
--- a/net/dccp/ipv6.c
+++ b/net/dccp/ipv6.c
@@ -353,7 +353,7 @@ static int dccp_v6_conn_request(struct sock *sk, struct sk_buff *skb)
 	if (ipv6_opt_accepted(sk, skb, IP6CB(skb)) ||
 	    np->rxopt.bits.rxinfo || np->rxopt.bits.rxoinfo ||
 	    np->rxopt.bits.rxhlim || np->rxopt.bits.rxohlim) {
-		atomic_inc(&skb->users);
+		refcount_inc(&skb->users);
 		ireq->pktopts = skb;
 	}
 	ireq->ir_iif = sk->sk_bound_dev_if;
@@ -1098,33 +1098,33 @@ static int __init dccp_v6_init(void)
 {
 	int err = proto_register(&dccp_v6_prot, 1);
 
-	if (err != 0)
+	if (err)
 		goto out;
 
-	err = inet6_add_protocol(&dccp_v6_protocol, IPPROTO_DCCP);
-	if (err != 0)
-		goto out_unregister_proto;
-
 	inet6_register_protosw(&dccp_v6_protosw);
 
 	err = register_pernet_subsys(&dccp_v6_ops);
-	if (err != 0)
+	if (err)
 		goto out_destroy_ctl_sock;
+
+	err = inet6_add_protocol(&dccp_v6_protocol, IPPROTO_DCCP);
+	if (err)
+		goto out_unregister_proto;
+
 out:
 	return err;
-
+out_unregister_proto:
+	unregister_pernet_subsys(&dccp_v6_ops);
 out_destroy_ctl_sock:
-	inet6_del_protocol(&dccp_v6_protocol, IPPROTO_DCCP);
 	inet6_unregister_protosw(&dccp_v6_protosw);
-out_unregister_proto:
 	proto_unregister(&dccp_v6_prot);
 	goto out;
 }
 
 static void __exit dccp_v6_exit(void)
 {
-	unregister_pernet_subsys(&dccp_v6_ops);
 	inet6_del_protocol(&dccp_v6_protocol, IPPROTO_DCCP);
+	unregister_pernet_subsys(&dccp_v6_ops);
 	inet6_unregister_protosw(&dccp_v6_protosw);
 	proto_unregister(&dccp_v6_prot);
 }
diff --git a/net/dccp/options.c b/net/dccp/options.c
index 74d29c56c367..51cdfc3bd8ca 100644
--- a/net/dccp/options.c
+++ b/net/dccp/options.c
@@ -484,7 +484,7 @@ int dccp_insert_option_mandatory(struct sk_buff *skb)
 		return -1;
 
 	DCCP_SKB_CB(skb)->dccpd_opt_len++;
-	*skb_push(skb, 1) = DCCPO_MANDATORY;
+	*(u8 *)skb_push(skb, 1) = DCCPO_MANDATORY;
 	return 0;
 }