1 files changed, 14 insertions, 15 deletions

diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index fb23c2e63b52..8157b17959ee 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -110,7 +110,7 @@
 struct udp_table udp_table __read_mostly;
 EXPORT_SYMBOL(udp_table);
 
-int sysctl_udp_mem[3] __read_mostly;
+long sysctl_udp_mem[3] __read_mostly;
 EXPORT_SYMBOL(sysctl_udp_mem);
 
 int sysctl_udp_rmem_min __read_mostly;
@@ -119,7 +119,7 @@ EXPORT_SYMBOL(sysctl_udp_rmem_min);
 int sysctl_udp_wmem_min __read_mostly;
 EXPORT_SYMBOL(sysctl_udp_wmem_min);
 
-atomic_t udp_memory_allocated;
+atomic_long_t udp_memory_allocated;
 EXPORT_SYMBOL(udp_memory_allocated);
 
 #define MAX_UDP_PORTS 65536
@@ -430,7 +430,7 @@ begin:
 
 	if (result) {
 exact_match:
-		if (unlikely(!atomic_inc_not_zero(&result->sk_refcnt)))
+		if (unlikely(!atomic_inc_not_zero_hint(&result->sk_refcnt, 2)))
 			result = NULL;
 		else if (unlikely(compute_score2(result, net, saddr, sport,
 				  daddr, hnum, dif) < badness)) {
@@ -500,7 +500,7 @@ begin:
 		goto begin;
 
 	if (result) {
-		if (unlikely(!atomic_inc_not_zero(&result->sk_refcnt)))
+		if (unlikely(!atomic_inc_not_zero_hint(&result->sk_refcnt, 2)))
 			result = NULL;
 		else if (unlikely(compute_score(result, net, saddr, hnum, sport,
 				  daddr, dport, dif) < badness)) {
@@ -797,7 +797,7 @@ int udp_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
 		return -EOPNOTSUPP;
 
 	ipc.opt = NULL;
-	ipc.shtx.flags = 0;
+	ipc.tx_flags = 0;
 
 	if (up->pending) {
 		/*
@@ -845,7 +845,7 @@ int udp_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
 	ipc.addr = inet->inet_saddr;
 
 	ipc.oif = sk->sk_bound_dev_if;
-	err = sock_tx_timestamp(msg, sk, &ipc.shtx);
+	err = sock_tx_timestamp(sk, &ipc.tx_flags);
 	if (err)
 		return err;
 	if (msg->msg_controllen) {
@@ -890,15 +890,13 @@ int udp_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
 	if (rt == NULL) {
 		struct flowi fl = { .oif = ipc.oif,
 				    .mark = sk->sk_mark,
-				    .nl_u = { .ip4_u =
-					      { .daddr = faddr,
-						.saddr = saddr,
-						.tos = tos } },
+				    .fl4_dst = faddr,
+				    .fl4_src = saddr,
+				    .fl4_tos = tos,
 				    .proto = sk->sk_protocol,
 				    .flags = inet_sk_flowi_flags(sk),
-				    .uli_u = { .ports =
-					       { .sport = inet->inet_sport,
-						 .dport = dport } } };
+				    .fl_ip_sport = inet->inet_sport,
+				    .fl_ip_dport = dport };
 		struct net *net = sock_net(sk);
 
 		security_sk_classify_flow(sk, &fl);
@@ -1413,7 +1411,7 @@ int udp_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
 		}
 	}
 
-	if (sk->sk_filter) {
+	if (rcu_dereference_raw(sk->sk_filter)) {
 		if (udp_lib_checksum_complete(skb))
 			goto drop;
 	}
@@ -1899,6 +1897,7 @@ struct proto udp_prot = {
 	.compat_setsockopt = compat_udp_setsockopt,
 	.compat_getsockopt = compat_udp_getsockopt,
 #endif
+	.clear_sk	   = sk_prot_clear_portaddr_nulls,
 };
 EXPORT_SYMBOL(udp_prot);
 
@@ -2228,7 +2227,7 @@ struct sk_buff *udp4_ufo_fragment(struct sk_buff *skb, int features)
 	/* Do software UFO. Complete and fill in the UDP checksum as HW cannot
 	 * do checksum of UDP packets sent as multiple IP fragments.
 	 */
-	offset = skb->csum_start - skb_headroom(skb);
+	offset = skb_checksum_start_offset(skb);
 	csum = skb_checksum(skb, offset, skb->len - offset, 0);
 	offset += skb->csum_offset;
 	*(__sum16 *)(skb->data + offset) = csum_fold(csum);