1 files changed, 19 insertions, 15 deletions

diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c
index 06ba3e58320b..97ae70077a4f 100644
--- a/net/ipv6/icmp.c
+++ b/net/ipv6/icmp.c
@@ -170,11 +170,11 @@ static bool is_ineligible(const struct sk_buff *skb)
 /*
  * Check the ICMP output rate limit
  */
-static inline bool icmpv6_xrlim_allow(struct sock *sk, u8 type,
-				      struct flowi6 *fl6)
+static bool icmpv6_xrlim_allow(struct sock *sk, u8 type,
+			       struct flowi6 *fl6)
 {
-	struct dst_entry *dst;
 	struct net *net = sock_net(sk);
+	struct dst_entry *dst;
 	bool res = false;
 
 	/* Informational messages are not limited. */
@@ -199,16 +199,20 @@ static inline bool icmpv6_xrlim_allow(struct sock *sk, u8 type,
 	} else {
 		struct rt6_info *rt = (struct rt6_info *)dst;
 		int tmo = net->ipv6.sysctl.icmpv6_time;
-		struct inet_peer *peer;
 
 		/* Give more bandwidth to wider prefixes. */
 		if (rt->rt6i_dst.plen < 128)
 			tmo >>= ((128 - rt->rt6i_dst.plen)>>5);
 
-		peer = inet_getpeer_v6(net->ipv6.peers, &rt->rt6i_dst.addr, 1);
-		res = inet_peer_xrlim_allow(peer, tmo);
-		if (peer)
-			inet_putpeer(peer);
+		if (icmp_global_allow()) {
+			struct inet_peer *peer;
+
+			peer = inet_getpeer_v6(net->ipv6.peers,
+					       &rt->rt6i_dst.addr, 1);
+			res = inet_peer_xrlim_allow(peer, tmo);
+			if (peer)
+				inet_putpeer(peer);
+		}
 	}
 	dst_release(dst);
 	return res;
@@ -503,7 +507,7 @@ static void icmp6_send(struct sk_buff *skb, u8 type, u8 code, __u32 info)
 	msg.type = type;
 
 	len = skb->len - msg.offset;
-	len = min_t(unsigned int, len, IPV6_MIN_MTU - sizeof(struct ipv6hdr) -sizeof(struct icmp6hdr));
+	len = min_t(unsigned int, len, IPV6_MIN_MTU - sizeof(struct ipv6hdr) - sizeof(struct icmp6hdr));
 	if (len < 0) {
 		LIMIT_NETDEBUG(KERN_DEBUG "icmp: len problem\n");
 		goto out_dst_release;
@@ -636,7 +640,7 @@ void icmpv6_notify(struct sk_buff *skb, u8 type, u8 code, __be32 info)
 		/* now skip over extension headers */
 		inner_offset = ipv6_skip_exthdr(skb, sizeof(struct ipv6hdr),
 						&nexthdr, &frag_off);
-		if (inner_offset<0)
+		if (inner_offset < 0)
 			goto out;
 	} else {
 		inner_offset = sizeof(struct ipv6hdr);
@@ -773,12 +777,12 @@ static int icmpv6_rcv(struct sk_buff *skb)
 		break;
 
 	default:
-		LIMIT_NETDEBUG(KERN_DEBUG "icmpv6: msg of unknown type\n");
-
 		/* informational */
 		if (type & ICMPV6_INFOMSG_MASK)
 			break;
 
+		LIMIT_NETDEBUG(KERN_DEBUG "icmpv6: msg of unknown type\n");
+
 		/*
 		 * error of unknown type.
 		 * must pass to upper level
@@ -808,7 +812,7 @@ void icmpv6_flow_init(struct sock *sk, struct flowi6 *fl6,
 	memset(fl6, 0, sizeof(*fl6));
 	fl6->saddr = *saddr;
 	fl6->daddr = *daddr;
-	fl6->flowi6_proto 	= IPPROTO_ICMPV6;
+	fl6->flowi6_proto	= IPPROTO_ICMPV6;
 	fl6->fl6_icmp_type	= type;
 	fl6->fl6_icmp_code	= 0;
 	fl6->flowi6_oif		= oif;
@@ -875,8 +879,8 @@ static void __net_exit icmpv6_sk_exit(struct net *net)
 }
 
 static struct pernet_operations icmpv6_sk_ops = {
-       .init = icmpv6_sk_init,
-       .exit = icmpv6_sk_exit,
+	.init = icmpv6_sk_init,
+	.exit = icmpv6_sk_exit,
 };
 
 int __init icmpv6_init(void)