Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

70 files changed, 368 insertions, 337 deletions

diff --git a/net/bridge/netfilter/ebt_among.c b/net/bridge/netfilter/ebt_among.c
index 279527f..ce7152a 100644
--- a/net/bridge/netfilter/ebt_among.c
+++ b/net/bridge/netfilter/ebt_among.c
@@ -187,17 +187,17 @@ static int ebt_among_mt_check(const struct xt_mtchk_param *par)
 	expected_length += ebt_mac_wormhash_size(wh_src);
 
 	if (em->match_size != EBT_ALIGN(expected_length)) {
-		pr_info("wrong size: %d against expected %d, rounded to %zd\n",
-			em->match_size, expected_length,
-			EBT_ALIGN(expected_length));
+		pr_err_ratelimited("wrong size: %d against expected %d, rounded to %zd\n",
+				   em->match_size, expected_length,
+				   EBT_ALIGN(expected_length));
 		return -EINVAL;
 	}
 	if (wh_dst && (err = ebt_mac_wormhash_check_integrity(wh_dst))) {
-		pr_info("dst integrity fail: %x\n", -err);
+		pr_err_ratelimited("dst integrity fail: %x\n", -err);
 		return -EINVAL;
 	}
 	if (wh_src && (err = ebt_mac_wormhash_check_integrity(wh_src))) {
-		pr_info("src integrity fail: %x\n", -err);
+		pr_err_ratelimited("src integrity fail: %x\n", -err);
 		return -EINVAL;
 	}
 	return 0;
diff --git a/net/bridge/netfilter/ebt_limit.c b/net/bridge/netfilter/ebt_limit.c
index 61a9f1b..165b9d6 100644
--- a/net/bridge/netfilter/ebt_limit.c
+++ b/net/bridge/netfilter/ebt_limit.c
@@ -72,8 +72,8 @@ static int ebt_limit_mt_check(const struct xt_mtchk_param *par)
 	/* Check for overflow. */
 	if (info->burst == 0 ||
 	    user2credits(info->avg * info->burst) < user2credits(info->avg)) {
-		pr_info("overflow, try lower: %u/%u\n",
-			info->avg, info->burst);
+		pr_info_ratelimited("overflow, try lower: %u/%u\n",
+				    info->avg, info->burst);
 		return -EINVAL;
 	}
 
diff --git a/net/core/filter.c b/net/core/filter.c
index 08ab4c6..0c121ad 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -3381,17 +3381,13 @@ BPF_CALL_2(bpf_sock_ops_cb_flags_set, struct bpf_sock_ops_kern *, bpf_sock,
 	struct sock *sk = bpf_sock->sk;
 	int val = argval & BPF_SOCK_OPS_ALL_CB_FLAGS;
 
-	if (!sk_fullsock(sk))
+	if (!IS_ENABLED(CONFIG_INET) || !sk_fullsock(sk))
 		return -EINVAL;
 
-#ifdef CONFIG_INET
 	if (val)
 		tcp_sk(sk)->bpf_sock_ops_cb_flags = val;
 
 	return argval & (~BPF_SOCK_OPS_ALL_CB_FLAGS);
-#else
-	return -EINVAL;
-#endif
 }
 
 static const struct bpf_func_proto bpf_sock_ops_cb_flags_set_proto = {
diff --git a/net/core/gen_estimator.c b/net/core/gen_estimator.c
index 0a3f88f..98fd127 100644
--- a/net/core/gen_estimator.c
+++ b/net/core/gen_estimator.c
@@ -66,6 +66,7 @@ struct net_rate_estimator {
 static void est_fetch_counters(struct net_rate_estimator *e,
 			       struct gnet_stats_basic_packed *b)
 {
+	memset(b, 0, sizeof(*b));
 	if (e->stats_lock)
 		spin_lock(e->stats_lock);
 
diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c
index 9dca0fb..74c962b 100644
--- a/net/ipv4/ip_sockglue.c
+++ b/net/ipv4/ip_sockglue.c
@@ -1569,10 +1569,7 @@ int ip_getsockopt(struct sock *sk, int level,
 		if (get_user(len, optlen))
 			return -EFAULT;
 
-		lock_sock(sk);
-		err = nf_getsockopt(sk, PF_INET, optname, optval,
-				&len);
-		release_sock(sk);
+		err = nf_getsockopt(sk, PF_INET, optname, optval, &len);
 		if (err >= 0)
 			err = put_user(len, optlen);
 		return err;
@@ -1604,9 +1601,7 @@ int compat_ip_getsockopt(struct sock *sk, int level, int optname,
 		if (get_user(len, optlen))
 			return -EFAULT;
 
-		lock_sock(sk);
 		err = compat_nf_getsockopt(sk, PF_INET, optname, optval, &len);
-		release_sock(sk);
 		if (err >= 0)
 			err = put_user(len, optlen);
 		return err;
diff --git a/net/ipv4/netfilter/arp_tables.c b/net/ipv4/netfilter/arp_tables.c
index 4ffe302..e3e420f 100644
--- a/net/ipv4/netfilter/arp_tables.c
+++ b/net/ipv4/netfilter/arp_tables.c
@@ -252,6 +252,10 @@ unsigned int arpt_do_table(struct sk_buff *skb,
 			}
 			if (table_base + v
 			    != arpt_next_entry(e)) {
+				if (unlikely(stackidx >= private->stacksize)) {
+					verdict = NF_DROP;
+					break;
+				}
 				jumpstack[stackidx++] = e;
 			}
 
diff --git a/net/ipv4/netfilter/ip_tables.c b/net/ipv4/netfilter/ip_tables.c
index 39a7cf9..d4f7584 100644
--- a/net/ipv4/netfilter/ip_tables.c
+++ b/net/ipv4/netfilter/ip_tables.c
@@ -330,8 +330,13 @@ ipt_do_table(struct sk_buff *skb,
 				continue;
 			}
 			if (table_base + v != ipt_next_entry(e) &&
-			    !(e->ip.flags & IPT_F_GOTO))
+			    !(e->ip.flags & IPT_F_GOTO)) {
+				if (unlikely(stackidx >= private->stacksize)) {
+					verdict = NF_DROP;
+					break;
+				}
 				jumpstack[stackidx++] = e;
+			}
 
 			e = get_entry(table_base, v);
 			continue;
diff --git a/net/ipv4/netfilter/ipt_CLUSTERIP.c b/net/ipv4/netfilter/ipt_CLUSTERIP.c
index 3a84a60..4b02ab3 100644
--- a/net/ipv4/netfilter/ipt_CLUSTERIP.c
+++ b/net/ipv4/netfilter/ipt_CLUSTERIP.c
@@ -107,12 +107,6 @@ clusterip_config_entry_put(struct net *net, struct clusterip_config *c)
 
 	local_bh_disable();
 	if (refcount_dec_and_lock(&c->entries, &cn->lock)) {
-		list_del_rcu(&c->list);
-		spin_unlock(&cn->lock);
-		local_bh_enable();
-
-		unregister_netdevice_notifier(&c->notifier);
-
 		/* In case anyone still accesses the file, the open/close
 		 * functions are also incrementing the refcount on their own,
 		 * so it's safe to remove the entry even if it's in use. */
@@ -120,6 +114,12 @@ clusterip_config_entry_put(struct net *net, struct clusterip_config *c)
 		if (cn->procdir)
 			proc_remove(c->pde);
 #endif
+		list_del_rcu(&c->list);
+		spin_unlock(&cn->lock);
+		local_bh_enable();
+
+		unregister_netdevice_notifier(&c->notifier);
+
 		return;
 	}
 	local_bh_enable();
@@ -154,8 +154,12 @@ clusterip_config_find_get(struct net *net, __be32 clusterip, int entry)
 #endif
 		if (unlikely(!refcount_inc_not_zero(&c->refcount)))
 			c = NULL;
-		else if (entry)
-			refcount_inc(&c->entries);
+		else if (entry) {
+			if (unlikely(!refcount_inc_not_zero(&c->entries))) {
+				clusterip_config_put(c);
+				c = NULL;
+			}
+		}
 	}
 	rcu_read_unlock_bh();
 
diff --git a/net/ipv4/netfilter/ipt_ECN.c b/net/ipv4/netfilter/ipt_ECN.c
index 2707652..aaaf9a8 100644
--- a/net/ipv4/netfilter/ipt_ECN.c
+++ b/net/ipv4/netfilter/ipt_ECN.c
@@ -98,17 +98,15 @@ static int ecn_tg_check(const struct xt_tgchk_param *par)
 	const struct ipt_ECN_info *einfo = par->targinfo;
 	const struct ipt_entry *e = par->entryinfo;
 
-	if (einfo->operation & IPT_ECN_OP_MASK) {
-		pr_info("unsupported ECN operation %x\n", einfo->operation);
+	if (einfo->operation & IPT_ECN_OP_MASK)
 		return -EINVAL;
-	}
-	if (einfo->ip_ect & ~IPT_ECN_IP_MASK) {
-		pr_info("new ECT codepoint %x out of mask\n", einfo->ip_ect);
+
+	if (einfo->ip_ect & ~IPT_ECN_IP_MASK)
 		return -EINVAL;
-	}
+
 	if ((einfo->operation & (IPT_ECN_OP_SET_ECE|IPT_ECN_OP_SET_CWR)) &&
 	    (e->ip.proto != IPPROTO_TCP || (e->ip.invflags & XT_INV_PROTO))) {
-		pr_info("cannot use TCP operations on a non-tcp rule\n");
+		pr_info_ratelimited("cannot use operation on non-tcp rule\n");
 		return -EINVAL;
 	}
 	return 0;
diff --git a/net/ipv4/netfilter/ipt_REJECT.c b/net/ipv4/netfilter/ipt_REJECT.c
index 8bd0d7b..e8bed33 100644
--- a/net/ipv4/netfilter/ipt_REJECT.c
+++ b/net/ipv4/netfilter/ipt_REJECT.c
@@ -74,13 +74,13 @@ static int reject_tg_check(const struct xt_tgchk_param *par)
 	const struct ipt_entry *e = par->entryinfo;
 
 	if (rejinfo->with == IPT_ICMP_ECHOREPLY) {
-		pr_info("ECHOREPLY no longer supported.\n");
+		pr_info_ratelimited("ECHOREPLY no longer supported.\n");
 		return -EINVAL;
 	} else if (rejinfo->with == IPT_TCP_RESET) {
 		/* Must specify that it's a TCP packet */
 		if (e->ip.proto != IPPROTO_TCP ||
 		    (e->ip.invflags & XT_INV_PROTO)) {
-			pr_info("TCP_RESET invalid for non-tcp\n");
+			pr_info_ratelimited("TCP_RESET invalid for non-tcp\n");
 			return -EINVAL;
 		}
 	}
diff --git a/net/ipv4/netfilter/ipt_rpfilter.c b/net/ipv4/netfilter/ipt_rpfilter.c
index 37fb955..fd01f13 100644
--- a/net/ipv4/netfilter/ipt_rpfilter.c
+++ b/net/ipv4/netfilter/ipt_rpfilter.c
@@ -105,14 +105,14 @@ static int rpfilter_check(const struct xt_mtchk_param *par)
 	const struct xt_rpfilter_info *info = par->matchinfo;
 	unsigned int options = ~XT_RPFILTER_OPTION_MASK;
 	if (info->flags & options) {
-		pr_info("unknown options encountered");
+		pr_info_ratelimited("unknown options\n");
 		return -EINVAL;
 	}
 
 	if (strcmp(par->table, "mangle") != 0 &&
 	    strcmp(par->table, "raw") != 0) {
-		pr_info("match only valid in the \'raw\' "
-			"or \'mangle\' tables, not \'%s\'.\n", par->table);
+		pr_info_ratelimited("only valid in \'raw\' or \'mangle\' table, not \'%s\'\n",
+				    par->table);
 		return -EINVAL;
 	}
 
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 5ca7415..26eefa2 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1811,6 +1811,8 @@ int fib_multipath_hash(const struct fib_info *fi, const struct flowi4 *fl4,
 				return skb_get_hash_raw(skb) >> 1;
 			memset(&hash_keys, 0, sizeof(hash_keys));
 			skb_flow_dissect_flow_keys(skb, &keys, flag);
+
+			hash_keys.control.addr_type = FLOW_DISSECTOR_KEY_IPV4_ADDRS;
 			hash_keys.addrs.v4addrs.src = keys.addrs.v4addrs.src;
 			hash_keys.addrs.v4addrs.dst = keys.addrs.v4addrs.dst;
 			hash_keys.ports.src = keys.ports.src;
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 8795d76..49d043d 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -1718,7 +1718,7 @@ u32 tcp_tso_autosize(const struct sock *sk, unsigned int mss_now,
 	 */
 	segs = max_t(u32, bytes / mss_now, min_tso_segs);
 
-	return min_t(u32, segs, sk->sk_gso_max_segs);
+	return segs;
 }
 EXPORT_SYMBOL(tcp_tso_autosize);
 
@@ -1730,9 +1730,10 @@ static u32 tcp_tso_segs(struct sock *sk, unsigned int mss_now)
 	const struct tcp_congestion_ops *ca_ops = inet_csk(sk)->icsk_ca_ops;
 	u32 tso_segs = ca_ops->tso_segs_goal ? ca_ops->tso_segs_goal(sk) : 0;
 
-	return tso_segs ? :
-		tcp_tso_autosize(sk, mss_now,
-				 sock_net(sk)->ipv4.sysctl_tcp_min_tso_segs);
+	if (!tso_segs)
+		tso_segs = tcp_tso_autosize(sk, mss_now,
+				sock_net(sk)->ipv4.sysctl_tcp_min_tso_segs);
+	return min_t(u32, tso_segs, sk->sk_gso_max_segs);
 }
 
 /* Returns the portion of skb which can be sent right away */
diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index d78d41f..2453516 100644
--- a/net/ipv6/ipv6_sockglue.c
+++ b/net/ipv6/ipv6_sockglue.c
@@ -1367,10 +1367,7 @@ int ipv6_getsockopt(struct sock *sk, int level, int optname,
 		if (get_user(len, optlen))
 			return -EFAULT;
 
-		lock_sock(sk);
-		err = nf_getsockopt(sk, PF_INET6, optname, optval,
-				&len);
-		release_sock(sk);
+		err = nf_getsockopt(sk, PF_INET6, optname, optval, &len);
 		if (err >= 0)
 			err = put_user(len, optlen);
 	}
@@ -1409,10 +1406,7 @@ int compat_ipv6_getsockopt(struct sock *sk, int level, int optname,
 		if (get_user(len, optlen))
 			return -EFAULT;
 
-		lock_sock(sk);
-		err = compat_nf_getsockopt(sk, PF_INET6,
-					   optname, optval, &len);
-		release_sock(sk);
+		err = compat_nf_getsockopt(sk, PF_INET6, optname, optval, &len);
 		if (err >= 0)
 			err = put_user(len, optlen);
 	}
diff --git a/net/ipv6/netfilter/ip6_tables.c b/net/ipv6/netfilter/ip6_tables.c
index af4c917..62358b9 100644
--- a/net/ipv6/netfilter/ip6_tables.c
+++ b/net/ipv6/netfilter/ip6_tables.c
@@ -352,6 +352,10 @@ ip6t_do_table(struct sk_buff *skb,
 			}
 			if (table_base + v != ip6t_next_entry(e) &&
 			    !(e->ipv6.flags & IP6T_F_GOTO)) {
+				if (unlikely(stackidx >= private->stacksize)) {
+					verdict = NF_DROP;
+					break;
+				}
 				jumpstack[stackidx++] = e;
 			}
 
diff --git a/net/ipv6/netfilter/ip6t_REJECT.c b/net/ipv6/netfilter/ip6t_REJECT.c
index fa51a20..38dea8f 100644
--- a/net/ipv6/netfilter/ip6t_REJECT.c
+++ b/net/ipv6/netfilter/ip6t_REJECT.c
@@ -85,14 +85,14 @@ static int reject_tg6_check(const struct xt_tgchk_param *par)
 	const struct ip6t_entry *e = par->entryinfo;
 
 	if (rejinfo->with == IP6T_ICMP6_ECHOREPLY) {
-		pr_info("ECHOREPLY is not supported.\n");
+		pr_info_ratelimited("ECHOREPLY is not supported\n");
 		return -EINVAL;
 	} else if (rejinfo->with == IP6T_TCP_RESET) {
 		/* Must specify that it's a TCP packet */
 		if (!(e->ipv6.flags & IP6T_F_PROTO) ||
 		    e->ipv6.proto != IPPROTO_TCP ||
 		    (e->ipv6.invflags & XT_INV_PROTO)) {
-			pr_info("TCP_RESET illegal for non-tcp\n");
+			pr_info_ratelimited("TCP_RESET illegal for non-tcp\n");
 			return -EINVAL;
 		}
 	}
diff --git a/net/ipv6/netfilter/ip6t_rpfilter.c b/net/ipv6/netfilter/ip6t_rpfilter.c
index b12e61b..94deb69 100644
--- a/net/ipv6/netfilter/ip6t_rpfilter.c
+++ b/net/ipv6/netfilter/ip6t_rpfilter.c
@@ -103,14 +103,14 @@ static int rpfilter_check(const struct xt_mtchk_param *par)
 	unsigned int options = ~XT_RPFILTER_OPTION_MASK;
 
 	if (info->flags & options) {
-		pr_info("unknown options encountered");
+		pr_info_ratelimited("unknown options\n");
 		return -EINVAL;
 	}
 
 	if (strcmp(par->table, "mangle") != 0 &&
 	    strcmp(par->table, "raw") != 0) {
-		pr_info("match only valid in the \'raw\' "
-			"or \'mangle\' tables, not \'%s\'.\n", par->table);
+		pr_info_ratelimited("only valid in \'raw\' or \'mangle\' table, not \'%s\'\n",
+				    par->table);
 		return -EINVAL;
 	}
 
diff --git a/net/ipv6/netfilter/ip6t_srh.c b/net/ipv6/netfilter/ip6t_srh.c
index 9642164..33719d5 100644
--- a/net/ipv6/netfilter/ip6t_srh.c
+++ b/net/ipv6/netfilter/ip6t_srh.c
@@ -122,12 +122,14 @@ static int srh_mt6_check(const struct xt_mtchk_param *par)
 	const struct ip6t_srh *srhinfo = par->matchinfo;
 
 	if (srhinfo->mt_flags & ~IP6T_SRH_MASK) {
-		pr_err("unknown srh match flags  %X\n", srhinfo->mt_flags);
+		pr_info_ratelimited("unknown srh match flags  %X\n",
+				    srhinfo->mt_flags);
 		return -EINVAL;
 	}
 
 	if (srhinfo->mt_invflags & ~IP6T_SRH_INV_MASK) {
-		pr_err("unknown srh invflags %X\n", srhinfo->mt_invflags);
+		pr_info_ratelimited("unknown srh invflags %X\n",
+				    srhinfo->mt_invflags);
 		return -EINVAL;
 	}
 
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index 3873d38..3a1775a 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -182,7 +182,7 @@ static void ipip6_tunnel_clone_6rd(struct net_device *dev, struct sit_net *sitn)
 #ifdef CONFIG_IPV6_SIT_6RD
 	struct ip_tunnel *t = netdev_priv(dev);
 
-	if (t->dev == sitn->fb_tunnel_dev) {
+	if (dev == sitn->fb_tunnel_dev) {
 		ipv6_addr_set(&t->ip6rd.prefix, htonl(0x20020000), 0, 0, 0);
 		t->ip6rd.relay_prefix = 0;
 		t->ip6rd.prefixlen = 16;
diff --git a/net/mac80211/agg-rx.c b/net/mac80211/agg-rx.c
index a8b1616..1f3188d 100644
--- a/net/mac80211/agg-rx.c
+++ b/net/mac80211/agg-rx.c
@@ -8,6 +8,7 @@
  * Copyright 2007, Michael Wu <flamingice@sourmilk.net>
  * Copyright 2007-2010, Intel Corporation
  * Copyright(c) 2015-2017 Intel Deutschland GmbH
+ * Copyright (C) 2018        Intel Corporation
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
@@ -304,9 +305,6 @@ void ___ieee80211_start_rx_ba_session(struct sta_info *sta,
 			 * driver so reject the timeout update.
 			 */
 			status = WLAN_STATUS_REQUEST_DECLINED;
-			ieee80211_send_addba_resp(sta->sdata, sta->sta.addr,
-						  tid, dialog_token, status,
-						  1, buf_size, timeout);
 			goto end;
 		}
 
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 46028e1..f4195a0 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -2892,7 +2892,7 @@ cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon)
 	}
 	if (beacon->probe_resp_len) {
 		new_beacon->probe_resp_len = beacon->probe_resp_len;
-		beacon->probe_resp = pos;
+		new_beacon->probe_resp = pos;
 		memcpy(pos, beacon->probe_resp, beacon->probe_resp_len);
 		pos += beacon->probe_resp_len;
 	}
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 2690002..ae9c33c 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -1467,7 +1467,7 @@ struct ieee802_11_elems {
 	const struct ieee80211_timeout_interval_ie *timeout_int;
 	const u8 *opmode_notif;
 	const struct ieee80211_sec_chan_offs_ie *sec_chan_offs;
-	const struct ieee80211_mesh_chansw_params_ie *mesh_chansw_params_ie;
+	struct ieee80211_mesh_chansw_params_ie *mesh_chansw_params_ie;
 	const struct ieee80211_bss_max_idle_period_ie *max_idle_period_ie;
 
 	/* length of them, respectively */
diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index 73ac607..6a381cb 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -1255,13 +1255,12 @@ int ieee80211_mesh_csa_beacon(struct ieee80211_sub_if_data *sdata,
 }
 
 static int mesh_fwd_csa_frame(struct ieee80211_sub_if_data *sdata,
-			       struct ieee80211_mgmt *mgmt, size_t len)
+			       struct ieee80211_mgmt *mgmt, size_t len,
+			       struct ieee802_11_elems *elems)
 {
 	struct ieee80211_mgmt *mgmt_fwd;
 	struct sk_buff *skb;
 	struct ieee80211_local *local = sdata->local;
-	u8 *pos = mgmt->u.action.u.chan_switch.variable;
-	size_t offset_ttl;
 
 	skb = dev_alloc_skb(local->tx_headroom + len);
 	if (!skb)
@@ -1269,13 +1268,9 @@ static int mesh_fwd_csa_frame(struct ieee80211_sub_if_data *sdata,
 	skb_reserve(skb, local->tx_headroom);
 	mgmt_fwd = skb_put(skb, len);
 
-	/* offset_ttl is based on whether the secondary channel
-	 * offset is available or not. Subtract 1 from the mesh TTL
-	 * and disable the initiator flag before forwarding.
-	 */
-	offset_ttl = (len < 42) ? 7 : 10;
-	*(pos + offset_ttl) -= 1;
-	*(pos + offset_ttl + 1) &= ~WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR;
+	elems->mesh_chansw_params_ie->mesh_ttl--;
+	elems->mesh_chansw_params_ie->mesh_flags &=
+		~WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR;
 
 	memcpy(mgmt_fwd, mgmt, len);
 	eth_broadcast_addr(mgmt_fwd->da);
@@ -1323,7 +1318,7 @@ static void mesh_rx_csa_frame(struct ieee80211_sub_if_data *sdata,
 
 	/* forward or re-broadcast the CSA frame */
 	if (fwd_csa) {
-		if (mesh_fwd_csa_frame(sdata, mgmt, len) < 0)
+		if (mesh_fwd_csa_frame(sdata, mgmt, len, &elems) < 0)
 			mcsa_dbg(sdata, "Failed to forward the CSA frame");
 	}
 }
diff --git a/net/mac80211/spectmgmt.c b/net/mac80211/spectmgmt.c
index ee01817..0293348 100644
--- a/net/mac80211/spectmgmt.c
+++ b/net/mac80211/spectmgmt.c
@@ -8,6 +8,7 @@
  * Copyright 2007, Michael Wu <flamingice@sourmilk.net>
  * Copyright 2007-2008, Intel Corporation
  * Copyright 2008, Johannes Berg <johannes@sipsolutions.net>
+ * Copyright (C) 2018        Intel Corporation
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
@@ -27,7 +28,7 @@ int ieee80211_parse_ch_switch_ie(struct ieee80211_sub_if_data *sdata,
 				 u32 sta_flags, u8 *bssid,
 				 struct ieee80211_csa_ie *csa_ie)
 {
-	enum nl80211_band new_band;
+	enum nl80211_band new_band = current_band;
 	int new_freq;
 	u8 new_chan_no;
 	struct ieee80211_channel *new_chan;
@@ -55,15 +56,13 @@ int ieee80211_parse_ch_switch_ie(struct ieee80211_sub_if_data *sdata,
 				elems->ext_chansw_ie->new_operating_class,
 				&new_band)) {
 			sdata_info(sdata,
-				   "cannot understand ECSA IE operating class %d, disconnecting\n",
+				   "cannot understand ECSA IE operating class, %d, ignoring\n",
 				   elems->ext_chansw_ie->new_operating_class);
-			return -EINVAL;
 		}
 		new_chan_no = elems->ext_chansw_ie->new_ch_num;
 		csa_ie->count = elems->ext_chansw_ie->count;
 		csa_ie->mode = elems->ext_chansw_ie->mode;
 	} else if (elems->ch_switch_ie) {
-		new_band = current_band;
 		new_chan_no = elems->ch_switch_ie->new_ch_num;
 		csa_ie->count = elems->ch_switch_ie->count;
 		csa_ie->mode = elems->ch_switch_ie->mode;
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index 0bc40c7..655c3d8 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -314,7 +314,7 @@ struct sta_info *sta_info_alloc(struct ieee80211_sub_if_data *sdata,
 
 	if (ieee80211_hw_check(hw, USES_RSS)) {
 		sta->pcpu_rx_stats =
-			alloc_percpu(struct ieee80211_sta_rx_stats);
+			alloc_percpu_gfp(struct ieee80211_sta_rx_stats, gfp);
 		if (!sta->pcpu_rx_stats)
 			goto free;
 	}
@@ -433,6 +433,7 @@ free_txq:
 	if (sta->sta.txq[0])
 		kfree(to_txq_info(sta->sta.txq[0]));
 free:
+	free_percpu(sta->pcpu_rx_stats);
 #ifdef CONFIG_MAC80211_MESH
 	kfree(sta->mesh);
 #endif
diff --git a/net/netfilter/nf_nat_proto_common.c b/net/netfilter/nf_nat_proto_common.c
index fbce552..7d7466d 100644
--- a/net/netfilter/nf_nat_proto_common.c
+++ b/net/netfilter/nf_nat_proto_common.c
@@ -41,7 +41,7 @@ void nf_nat_l4proto_unique_tuple(const struct nf_nat_l3proto *l3proto,
 				 const struct nf_conn *ct,
 				 u16 *rover)
 {
-	unsigned int range_size, min, i;
+	unsigned int range_size, min, max, i;
 	__be16 *portptr;
 	u_int16_t off;
 
@@ -71,7 +71,10 @@ void nf_nat_l4proto_unique_tuple(const struct nf_nat_l3proto *l3proto,
 		}
 	} else {
 		min = ntohs(range->min_proto.all);
-		range_size = ntohs(range->max_proto.all) - min + 1;
+		max = ntohs(range->max_proto.all);
+		if (unlikely(max < min))
+			swap(max, min);
+		range_size = max - min + 1;
 	}
 
 	if (range->flags & NF_NAT_RANGE_PROTO_RANDOM) {
diff --git a/net/netfilter/x_tables.c b/net/netfilter/x_tables.c
index a6a435d..d9deebe 100644
--- a/net/netfilter/x_tables.c
+++ b/net/netfilter/x_tables.c
@@ -434,36 +434,35 @@ int xt_check_match(struct xt_mtchk_param *par,
 		 * ebt_among is exempt from centralized matchsize checking
 		 * because it uses a dynamic-size data set.
 		 */
-		pr_err("%s_tables: %s.%u match: invalid size "
-		       "%u (kernel) != (user) %u\n",
-		       xt_prefix[par->family], par->match->name,
-		       par->match->revision,
-		       XT_ALIGN(par->match->matchsize), size);
+		pr_err_ratelimited("%s_tables: %s.%u match: invalid size %u (kernel) != (user) %u\n",
+				   xt_prefix[par->family], par->match->name,
+				   par->match->revision,
+				   XT_ALIGN(par->match->matchsize), size);
 		return -EINVAL;
 	}
 	if (par->match->table != NULL &&
 	    strcmp(par->match->table, par->table) != 0) {
-		pr_err("%s_tables: %s match: only valid in %s table, not %s\n",
-		       xt_prefix[par->family], par->match->name,
-		       par->match->table, par->table);
+		pr_info_ratelimited("%s_tables: %s match: only valid in %s table, not %s\n",
+				    xt_prefix[par->family], par->match->name,
+				    par->match->table, par->table);
 		return -EINVAL;
 	}
 	if (par->match->hooks && (par->hook_mask & ~par->match->hooks) != 0) {
 		char used[64], allow[64];
 
-		pr_err("%s_tables: %s match: used from hooks %s, but only "
-		       "valid from %s\n",
-		       xt_prefix[par->family], par->match->name,
-		       textify_hooks(used, sizeof(used), par->hook_mask,
-		                     par->family),
-		       textify_hooks(allow, sizeof(allow), par->match->hooks,
-		                     par->family));
+		pr_info_ratelimited("%s_tables: %s match: used from hooks %s, but only valid from %s\n",
+				    xt_prefix[par->family], par->match->name,
+				    textify_hooks(used, sizeof(used),
+						  par->hook_mask, par->family),
+				    textify_hooks(allow, sizeof(allow),
+						  par->match->hooks,
+						  par->family));
 		return -EINVAL;
 	}
 	if (par->match->proto && (par->match->proto != proto || inv_proto)) {
-		pr_err("%s_tables: %s match: only valid for protocol %u\n",
-		       xt_prefix[par->family], par->match->name,
-		       par->match->proto);
+		pr_info_ratelimited("%s_tables: %s match: only valid for protocol %u\n",
+				    xt_prefix[par->family], par->match->name,
+				    par->match->proto);
 		return -EINVAL;
 	}
 	if (par->match->checkentry != NULL) {
@@ -814,36 +813,35 @@ int xt_check_target(struct xt_tgchk_param *par,
 	int ret;
 
 	if (XT_ALIGN(par->target->targetsize) != size) {
-		pr_err("%s_tables: %s.%u target: invalid size "
-		       "%u (kernel) != (user) %u\n",
-		       xt_prefix[par->family], par->target->name,
-		       par->target->revision,
-		       XT_ALIGN(par->target->targetsize), size);
+		pr_err_ratelimited("%s_tables: %s.%u target: invalid size %u (kernel) != (user) %u\n",
+				   xt_prefix[par->family], par->target->name,
+				   par->target->revision,
+				   XT_ALIGN(par->target->targetsize), size);
 		return -EINVAL;
 	}
 	if (par->target->table != NULL &&
 	    strcmp(par->target->table, par->table) != 0) {
-		pr_err("%s_tables: %s target: only valid in %s table, not %s\n",
-		       xt_prefix[par->family], par->target->name,
-		       par->target->table, par->table);
+		pr_info_ratelimited("%s_tables: %s target: only valid in %s table, not %s\n",
+				    xt_prefix[par->family], par->target->name,
+				    par->target->table, par->table);
 		return -EINVAL;
 	}
 	if (par->target->hooks && (par->hook_mask & ~par->target->hooks) != 0) {
 		char used[64], allow[64];
 
-		pr_err("%s_tables: %s target: used from hooks %s, but only "
-		       "usable from %s\n",
-		       xt_prefix[par->family], par->target->name,
-		       textify_hooks(used, sizeof(used), par->hook_mask,
-		                     par->family),
-		       textify_hooks(allow, sizeof(allow), par->target->hooks,
-		                     par->family));
+		pr_info_ratelimited("%s_tables: %s target: used from hooks %s, but only usable from %s\n",
+				    xt_prefix[par->family], par->target->name,
+				    textify_hooks(used, sizeof(used),
+						  par->hook_mask, par->family),
+				    textify_hooks(allow, sizeof(allow),
+						  par->target->hooks,
+						  par->family));
 		return -EINVAL;
 	}
 	if (par->target->proto && (par->target->proto != proto || inv_proto)) {
-		pr_err("%s_tables: %s target: only valid for protocol %u\n",
-		       xt_prefix[par->family], par->target->name,
-		       par->target->proto);
+		pr_info_ratelimited("%s_tables: %s target: only valid for protocol %u\n",
+				    xt_prefix[par->family], par->target->name,
+				    par->target->proto);
 		return -EINVAL;
 	}
 	if (par->target->checkentry != NULL) {
@@ -1004,10 +1002,6 @@ struct xt_table_info *xt_alloc_table_info(unsigned int size)
 	if (sz < sizeof(*info))
 		return NULL;
 
-	/* Pedantry: prevent them from hitting BUG() in vmalloc.c --RR */
-	if ((size >> PAGE_SHIFT) + 2 > totalram_pages)
-		return NULL;
-
 	/* __GFP_NORETRY is not fully supported by kvmalloc but it should
 	 * work reasonably well if sz is too large and bail out rather
 	 * than shoot all processes down before realizing there is nothing
diff --git a/net/netfilter/xt_AUDIT.c b/net/netfilter/xt_AUDIT.c
index c502419..f368ee6 100644
--- a/net/netfilter/xt_AUDIT.c
+++ b/net/netfilter/xt_AUDIT.c
@@ -120,8 +120,8 @@ static int audit_tg_check(const struct xt_tgchk_param *par)
 	const struct xt_audit_info *info = par->targinfo;
 
 	if (info->type > XT_AUDIT_TYPE_MAX) {
-		pr_info("Audit type out of range (valid range: 0..%hhu)\n",
-			XT_AUDIT_TYPE_MAX);
+		pr_info_ratelimited("Audit type out of range (valid range: 0..%hhu)\n",
+				    XT_AUDIT_TYPE_MAX);
 		return -ERANGE;
 	}
 
diff --git a/net/netfilter/xt_CHECKSUM.c b/net/netfilter/xt_CHECKSUM.c
index 0f642ef..9f4151e 100644
--- a/net/netfilter/xt_CHECKSUM.c
+++ b/net/netfilter/xt_CHECKSUM.c
@@ -36,13 +36,13 @@ static int checksum_tg_check(const struct xt_tgchk_param *par)
 	const struct xt_CHECKSUM_info *einfo = par->targinfo;
 
 	if (einfo->operation & ~XT_CHECKSUM_OP_FILL) {
-		pr_info("unsupported CHECKSUM operation %x\n", einfo->operation);
+		pr_info_ratelimited("unsupported CHECKSUM operation %x\n",
+				    einfo->operation);
 		return -EINVAL;
 	}
-	if (!einfo->operation) {
-		pr_info("no CHECKSUM operation enabled\n");
+	if (!einfo->operation)
 		return -EINVAL;
-	}
+
 	return 0;
 }
 
diff --git a/net/netfilter/xt_CONNSECMARK.c b/net/netfilter/xt_CONNSECMARK.c
index da56c06..f3f1caa 100644
--- a/net/netfilter/xt_CONNSECMARK.c
+++ b/net/netfilter/xt_CONNSECMARK.c
@@ -91,8 +91,8 @@ static int connsecmark_tg_check(const struct xt_tgchk_param *par)
 
 	if (strcmp(par->table, "mangle") != 0 &&
 	    strcmp(par->table, "security") != 0) {
-		pr_info("target only valid in the \'mangle\' "
-			"or \'security\' tables, not \'%s\'.\n", par->table);
+		pr_info_ratelimited("only valid in \'mangle\' or \'security\' table, not \'%s\'\n",
+				    par->table);
 		return -EINVAL;
 	}
 
@@ -102,14 +102,14 @@ static int connsecmark_tg_check(const struct xt_tgchk_param *par)
 		break;
 
 	default:
-		pr_info("invalid mode: %hu\n", info->mode);
+		pr_info_ratelimited("invalid mode: %hu\n", info->mode);
 		return -EINVAL;
 	}
 
 	ret = nf_ct_netns_get(par->net, par->family);
 	if (ret < 0)
-		pr_info("cannot load conntrack support for proto=%u\n",
-			par->family);
+		pr_info_ratelimited("cannot load conntrack support for proto=%u\n",
+				    par->family);
 	return ret;
 }
 
diff --git a/net/netfilter/xt_CT.c b/net/netfilter/xt_CT.c
index 5a152e2..8790190 100644
--- a/net/netfilter/xt_CT.c
+++ b/net/netfilter/xt_CT.c
@@ -82,15 +82,14 @@ xt_ct_set_helper(struct nf_conn *ct, const char *helper_name,
 
 	proto = xt_ct_find_proto(par);
 	if (!proto) {
-		pr_info("You must specify a L4 protocol, and not use "
-			"inversions on it.\n");
+		pr_info_ratelimited("You must specify a L4 protocol and not use inversions on it\n");
 		return -ENOENT;
 	}
 
 	helper = nf_conntrack_helper_try_module_get(helper_name, par->family,
 						    proto);
 	if (helper == NULL) {
-		pr_info("No such helper \"%s\"\n", helper_name);
+		pr_info_ratelimited("No such helper \"%s\"\n", helper_name);
 		return -ENOENT;
 	}
 
@@ -124,6 +123,7 @@ xt_ct_set_timeout(struct nf_conn *ct, const struct xt_tgchk_param *par,
 	const struct nf_conntrack_l4proto *l4proto;
 	struct ctnl_timeout *timeout;
 	struct nf_conn_timeout *timeout_ext;
+	const char *errmsg = NULL;
 	int ret = 0;
 	u8 proto;
 
@@ -131,29 +131,29 @@ xt_ct_set_timeout(struct nf_conn *ct, const struct xt_tgchk_param *par,
 	timeout_find_get = rcu_dereference(nf_ct_timeout_find_get_hook);
 	if (timeout_find_get == NULL) {
 		ret = -ENOENT;
-		pr_info("Timeout policy base is empty\n");
+		errmsg = "Timeout policy base is empty";
 		goto out;
 	}
 
 	proto = xt_ct_find_proto(par);
 	if (!proto) {
 		ret = -EINVAL;
-		pr_info("You must specify a L4 protocol, and not use "
-			"inversions on it.\n");
+		errmsg = "You must specify a L4 protocol and not use inversions on it";
 		goto out;
 	}
 
 	timeout = timeout_find_get(par->net, timeout_name);
 	if (timeout == NULL) {
 		ret = -ENOENT;
-		pr_info("No such timeout policy \"%s\"\n", timeout_name);
+		pr_info_ratelimited("No such timeout policy \"%s\"\n",
+				    timeout_name);
 		goto out;
 	}
 
 	if (timeout->l3num != par->family) {
 		ret = -EINVAL;
-		pr_info("Timeout policy `%s' can only be used by L3 protocol "
-			"number %d\n", timeout_name, timeout->l3num);
+		pr_info_ratelimited("Timeout policy `%s' can only be used by L%d protocol number %d\n",
+				    timeout_name, 3, timeout->l3num);
 		goto err_put_timeout;
 	}
 	/* Make sure the timeout policy matches any existing protocol tracker,
@@ -162,9 +162,8 @@ xt_ct_set_timeout(struct nf_conn *ct, const struct xt_tgchk_param *par,
 	l4proto = __nf_ct_l4proto_find(par->family, proto);
 	if (timeout->l4proto->l4proto != l4proto->l4proto) {
 		ret = -EINVAL;
-		pr_info("Timeout policy `%s' can only be used by L4 protocol "
-			"number %d\n",
-			timeout_name, timeout->l4proto->l4proto);
+		pr_info_ratelimited("Timeout policy `%s' can only be used by L%d protocol number %d\n",
+				    timeout_name, 4, timeout->l4proto->l4proto);
 		goto err_put_timeout;
 	}
 	timeout_ext = nf_ct_timeout_ext_add(ct, timeout, GFP_ATOMIC);
@@ -180,6 +179,8 @@ err_put_timeout:
 	__xt_ct_tg_timeout_put(timeout);
 out:
 	rcu_read_unlock();
+	if (errmsg)
+		pr_info_ratelimited("%s\n", errmsg);
 	return ret;
 #else
 	return -EOPNOTSUPP;
diff --git a/net/netfilter/xt_DSCP.c b/net/netfilter/xt_DSCP.c
index 3f83d38..098ed85 100644
--- a/net/netfilter/xt_DSCP.c
+++ b/net/netfilter/xt_DSCP.c
@@ -66,10 +66,8 @@ static int dscp_tg_check(const struct xt_tgchk_param *par)
 {
 	const struct xt_DSCP_info *info = par->targinfo;
 
-	if (info->dscp > XT_DSCP_MAX) {
-		pr_info("dscp %x out of range\n", info->dscp);
+	if (info->dscp > XT_DSCP_MAX)
 		return -EDOM;
-	}
 	return 0;
 }
 
diff --git a/net/netfilter/xt_HL.c b/net/netfilter/xt_HL.c
index 1535e87..4653b07 100644
--- a/net/netfilter/xt_HL.c
+++ b/net/netfilter/xt_HL.c
@@ -105,10 +105,8 @@ static int ttl_tg_check(const struct xt_tgchk_param *par)
 {
 	const struct ipt_TTL_info *info = par->targinfo;
 
-	if (info->mode > IPT_TTL_MAXMODE) {
-		pr_info("TTL: invalid or unknown mode %u\n", info->mode);
+	if (info->mode > IPT_TTL_MAXMODE)
 		return -EINVAL;
-	}
 	if (info->mode != IPT_TTL_SET && info->ttl == 0)
 		return -EINVAL;
 	return 0;
@@ -118,15 +116,10 @@ static int hl_tg6_check(const struct xt_tgchk_param *par)
 {
 	const struct ip6t_HL_info *info = par->targinfo;
 
-	if (info->mode > IP6T_HL_MAXMODE) {
-		pr_info("invalid or unknown mode %u\n", info->mode);
+	if (info->mode > IP6T_HL_MAXMODE)
 		return -EINVAL;
-	}
-	if (info->mode != IP6T_HL_SET && info->hop_limit == 0) {
-		pr_info("increment/decrement does not "
-			"make sense with value 0\n");
+	if (info->mode != IP6T_HL_SET && info->hop_limit == 0)
 		return -EINVAL;
-	}
 	return 0;
 }
 
diff --git a/net/netfilter/xt_HMARK.c b/net/netfilter/xt_HMARK.c
index 60e6dbe..9c75f41 100644
--- a/net/netfilter/xt_HMARK.c
+++ b/net/netfilter/xt_HMARK.c
@@ -9,6 +9,8 @@
  * the Free Software Foundation.
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/module.h>
 #include <linux/skbuff.h>
 #include <linux/icmp.h>
@@ -312,29 +314,30 @@ hmark_tg_v4(struct sk_buff *skb, const struct xt_action_param *par)
 static int hmark_tg_check(const struct xt_tgchk_param *par)
 {
 	const struct xt_hmark_info *info = par->targinfo;
+	const char *errmsg = "proto mask must be zero with L3 mode";
 
-	if (!info->hmodulus) {
-		pr_info("xt_HMARK: hash modulus can't be zero\n");
+	if (!info->hmodulus)
 		return -EINVAL;
-	}
+
 	if (info->proto_mask &&
-	    (info->flags & XT_HMARK_FLAG(XT_HMARK_METHOD_L3))) {
-		pr_info("xt_HMARK: proto mask must be zero with L3 mode\n");
-		return -EINVAL;
-	}
+	    (info->flags & XT_HMARK_FLAG(XT_HMARK_METHOD_L3)))
+		goto err;
+
 	if (info->flags & XT_HMARK_FLAG(XT_HMARK_SPI_MASK) &&
 	    (info->flags & (XT_HMARK_FLAG(XT_HMARK_SPORT_MASK) |
-			     XT_HMARK_FLAG(XT_HMARK_DPORT_MASK)))) {
-		pr_info("xt_HMARK: spi-mask and port-mask can't be combined\n");
+			     XT_HMARK_FLAG(XT_HMARK_DPORT_MASK))))
 		return -EINVAL;
-	}
+
 	if (info->flags & XT_HMARK_FLAG(XT_HMARK_SPI) &&
 	    (info->flags & (XT_HMARK_FLAG(XT_HMARK_SPORT) |
 			     XT_HMARK_FLAG(XT_HMARK_DPORT)))) {
-		pr_info("xt_HMARK: spi-set and port-set can't be combined\n");
-		return -EINVAL;
+		errmsg = "spi-set and port-set can't be combined";
+		goto err;
 	}
 	return 0;
+err:
+	pr_info_ratelimited("%s\n", errmsg);
+	return -EINVAL;
 }
 
 static struct xt_target hmark_tg_reg[] __read_mostly = {
diff --git a/net/netfilter/xt_IDLETIMER.c b/net/netfilter/xt_IDLETIMER.c
index 6c2482b..1ac6600 100644
--- a/net/netfilter/xt_IDLETIMER.c
+++ b/net/netfilter/xt_IDLETIMER.c
@@ -146,11 +146,11 @@ static int idletimer_tg_create(struct idletimer_tg_info *info)
 	timer_setup(&info->timer->timer, idletimer_tg_expired, 0);
 	info->timer->refcnt = 1;
 
+	INIT_WORK(&info->timer->work, idletimer_tg_work);
+
 	mod_timer(&info->timer->timer,
 		  msecs_to_jiffies(info->timeout * 1000) + jiffies);
 
-	INIT_WORK(&info->timer->work, idletimer_tg_work);
-
 	return 0;
 
 out_free_attr:
@@ -191,7 +191,10 @@ static int idletimer_tg_checkentry(const struct xt_tgchk_param *par)
 		pr_debug("timeout value is zero\n");
 		return -EINVAL;
 	}
-
+	if (info->timeout >= INT_MAX / 1000) {
+		pr_debug("timeout value is too big\n");
+		return -EINVAL;
+	}
 	if (info->label[0] == '\0' ||
 	    strnlen(info->label,
 		    MAX_IDLETIMER_LABEL_SIZE) == MAX_IDLETIMER_LABEL_SIZE) {
diff --git a/net/netfilter/xt_LED.c b/net/netfilter/xt_LED.c
index 1dcad89..1984644 100644
--- a/net/netfilter/xt_LED.c
+++ b/net/netfilter/xt_LED.c
@@ -111,10 +111,8 @@ static int led_tg_check(const struct xt_tgchk_param *par)
 	struct xt_led_info_internal *ledinternal;
 	int err;
 
-	if (ledinfo->id[0] == '\0') {
-		pr_info("No 'id' parameter given.\n");
+	if (ledinfo->id[0] == '\0')
 		return -EINVAL;
-	}
 
 	mutex_lock(&xt_led_mutex);
 
@@ -138,13 +136,14 @@ static int led_tg_check(const struct xt_tgchk_param *par)
 
 	err = led_trigger_register(&ledinternal->netfilter_led_trigger);
 	if (err) {
-		pr_err("Trigger name is already in use.\n");
+		pr_info_ratelimited("Trigger name is already in use.\n");
 		goto exit_alloc;
 	}
 
-	/* See if we need to set up a timer */
-	if (ledinfo->delay > 0)
-		timer_setup(&ledinternal->timer, led_timeout_callback, 0);
+	/* Since the letinternal timer can be shared between multiple targets,
+	 * always set it up, even if the current target does not need it
+	 */
+	timer_setup(&ledinternal->timer, led_timeout_callback, 0);
 
 	list_add_tail(&ledinternal->list, &xt_led_triggers);
 
@@ -181,8 +180,7 @@ static void led_tg_destroy(const struct xt_tgdtor_param *par)
 
 	list_del(&ledinternal->list);
 
-	if (ledinfo->delay > 0)
-		del_timer_sync(&ledinternal->timer);
+	del_timer_sync(&ledinternal->timer);
 
 	led_trigger_unregister(&ledinternal->netfilter_led_trigger);
 
diff --git a/net/netfilter/xt_NFQUEUE.c b/net/netfilter/xt_NFQUEUE.c
index a360b99..a9aca80 100644
--- a/net/netfilter/xt_NFQUEUE.c
+++ b/net/netfilter/xt_NFQUEUE.c
@@ -8,6 +8,8 @@
  *
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/module.h>
 #include <linux/skbuff.h>
 
@@ -67,13 +69,13 @@ static int nfqueue_tg_check(const struct xt_tgchk_param *par)
 	init_hashrandom(&jhash_initval);
 
 	if (info->queues_total == 0) {
-		pr_err("NFQUEUE: number of total queues is 0\n");
+		pr_info_ratelimited("number of total queues is 0\n");
 		return -EINVAL;
 	}
 	maxid = info->queues_total - 1 + info->queuenum;
 	if (maxid > 0xffff) {
-		pr_err("NFQUEUE: number of queues (%u) out of range (got %u)\n",
-		       info->queues_total, maxid);
+		pr_info_ratelimited("number of queues (%u) out of range (got %u)\n",
+				    info->queues_total, maxid);
 		return -ERANGE;
 	}
 	if (par->target->revision == 2 && info->flags > 1)
diff --git a/net/netfilter/xt_SECMARK.c b/net/netfilter/xt_SECMARK.c
index 9faf5e0..4ad5fe2 100644
--- a/net/netfilter/xt_SECMARK.c
+++ b/net/netfilter/xt_SECMARK.c
@@ -60,18 +60,20 @@ static int checkentry_lsm(struct xt_secmark_target_info *info)
 				       &info->secid);
 	if (err) {
 		if (err == -EINVAL)
-			pr_info("invalid security context \'%s\'\n", info->secctx);
+			pr_info_ratelimited("invalid security context \'%s\'\n",
+					    info->secctx);
 		return err;
 	}
 
 	if (!info->secid) {
-		pr_info("unable to map security context \'%s\'\n", info->secctx);
+		pr_info_ratelimited("unable to map security context \'%s\'\n",
+				    info->secctx);
 		return -ENOENT;
 	}
 
 	err = security_secmark_relabel_packet(info->secid);
 	if (err) {
-		pr_info("unable to obtain relabeling permission\n");
+		pr_info_ratelimited("unable to obtain relabeling permission\n");
 		return err;
 	}
 
@@ -86,14 +88,14 @@ static int secmark_tg_check(const struct xt_tgchk_param *par)
 
 	if (strcmp(par->table, "mangle") != 0 &&
 	    strcmp(par->table, "security") != 0) {
-		pr_info("target only valid in the \'mangle\' "
-			"or \'security\' tables, not \'%s\'.\n", par->table);
+		pr_info_ratelimited("only valid in \'mangle\' or \'security\' table, not \'%s\'\n",
+				    par->table);
 		return -EINVAL;
 	}
 
 	if (mode && mode != info->mode) {
-		pr_info("mode already set to %hu cannot mix with "
-			"rules for mode %hu\n", mode, info->mode);
+		pr_info_ratelimited("mode already set to %hu cannot mix with rules for mode %hu\n",
+				    mode, info->mode);
 		return -EINVAL;
 	}
 
@@ -101,7 +103,7 @@ static int secmark_tg_check(const struct xt_tgchk_param *par)
 	case SECMARK_MODE_SEL:
 		break;
 	default:
-		pr_info("invalid mode: %hu\n", info->mode);
+		pr_info_ratelimited("invalid mode: %hu\n", info->mode);
 		return -EINVAL;
 	}
 
diff --git a/net/netfilter/xt_TCPMSS.c b/net/netfilter/xt_TCPMSS.c
index 99bb8e4..98efb20 100644
--- a/net/netfilter/xt_TCPMSS.c
+++ b/net/netfilter/xt_TCPMSS.c
@@ -273,8 +273,7 @@ static int tcpmss_tg4_check(const struct xt_tgchk_param *par)
 	    (par->hook_mask & ~((1 << NF_INET_FORWARD) |
 			   (1 << NF_INET_LOCAL_OUT) |
 			   (1 << NF_INET_POST_ROUTING))) != 0) {
-		pr_info("path-MTU clamping only supported in "
-			"FORWARD, OUTPUT and POSTROUTING hooks\n");
+		pr_info_ratelimited("path-MTU clamping only supported in FORWARD, OUTPUT and POSTROUTING hooks\n");
 		return -EINVAL;
 	}
 	if (par->nft_compat)
@@ -283,7 +282,7 @@ static int tcpmss_tg4_check(const struct xt_tgchk_param *par)
 	xt_ematch_foreach(ematch, e)
 		if (find_syn_match(ematch))
 			return 0;
-	pr_info("Only works on TCP SYN packets\n");
+	pr_info_ratelimited("Only works on TCP SYN packets\n");
 	return -EINVAL;
 }
 
@@ -298,8 +297,7 @@ static int tcpmss_tg6_check(const struct xt_tgchk_param *par)
 	    (par->hook_mask & ~((1 << NF_INET_FORWARD) |
 			   (1 << NF_INET_LOCAL_OUT) |
 			   (1 << NF_INET_POST_ROUTING))) != 0) {
-		pr_info("path-MTU clamping only supported in "
-			"FORWARD, OUTPUT and POSTROUTING hooks\n");
+		pr_info_ratelimited("path-MTU clamping only supported in FORWARD, OUTPUT and POSTROUTING hooks\n");
 		return -EINVAL;
 	}
 	if (par->nft_compat)
@@ -308,7 +306,7 @@ static int tcpmss_tg6_check(const struct xt_tgchk_param *par)
 	xt_ematch_foreach(ematch, e)
 		if (find_syn_match(ematch))
 			return 0;
-	pr_info("Only works on TCP SYN packets\n");
+	pr_info_ratelimited("Only works on TCP SYN packets\n");
 	return -EINVAL;
 }
 #endif
diff --git a/net/netfilter/xt_TPROXY.c b/net/netfilter/xt_TPROXY.c
index 17d7705..8c89323 100644
--- a/net/netfilter/xt_TPROXY.c
+++ b/net/netfilter/xt_TPROXY.c
@@ -540,8 +540,7 @@ static int tproxy_tg6_check(const struct xt_tgchk_param *par)
 	    !(i->invflags & IP6T_INV_PROTO))
 		return 0;
 
-	pr_info("Can be used only in combination with "
-		"either -p tcp or -p udp\n");
+	pr_info_ratelimited("Can be used only with -p tcp or -p udp\n");
 	return -EINVAL;
 }
 #endif
@@ -559,8 +558,7 @@ static int tproxy_tg4_check(const struct xt_tgchk_param *par)
 	    && !(i->invflags & IPT_INV_PROTO))
 		return 0;
 
-	pr_info("Can be used only in combination with "
-		"either -p tcp or -p udp\n");
+	pr_info_ratelimited("Can be used only with -p tcp or -p udp\n");
 	return -EINVAL;
 }
 
diff --git a/net/netfilter/xt_addrtype.c b/net/netfilter/xt_addrtype.c
index 911a7c0..89e281b 100644
--- a/net/netfilter/xt_addrtype.c
+++ b/net/netfilter/xt_addrtype.c
@@ -164,48 +164,47 @@ addrtype_mt_v1(const struct sk_buff *skb, struct xt_action_param *par)
 
 static int addrtype_mt_checkentry_v1(const struct xt_mtchk_param *par)
 {
+	const char *errmsg = "both incoming and outgoing interface limitation cannot be selected";
 	struct xt_addrtype_info_v1 *info = par->matchinfo;
 
 	if (info->flags & XT_ADDRTYPE_LIMIT_IFACE_IN &&
-	    info->flags & XT_ADDRTYPE_LIMIT_IFACE_OUT) {
-		pr_info("both incoming and outgoing "
-			"interface limitation cannot be selected\n");
-		return -EINVAL;
-	}
+	    info->flags & XT_ADDRTYPE_LIMIT_IFACE_OUT)
+		goto err;
 
 	if (par->hook_mask & ((1 << NF_INET_PRE_ROUTING) |
 	    (1 << NF_INET_LOCAL_IN)) &&
 	    info->flags & XT_ADDRTYPE_LIMIT_IFACE_OUT) {
-		pr_info("output interface limitation "
-			"not valid in PREROUTING and INPUT\n");
-		return -EINVAL;
+		errmsg = "output interface limitation not valid in PREROUTING and INPUT";
+		goto err;
 	}
 
 	if (par->hook_mask & ((1 << NF_INET_POST_ROUTING) |
 	    (1 << NF_INET_LOCAL_OUT)) &&
 	    info->flags & XT_ADDRTYPE_LIMIT_IFACE_IN) {
-		pr_info("input interface limitation "
-			"not valid in POSTROUTING and OUTPUT\n");
-		return -EINVAL;
+		errmsg = "input interface limitation not valid in POSTROUTING and OUTPUT";
+		goto err;
 	}
 
 #if IS_ENABLED(CONFIG_IP6_NF_IPTABLES)
 	if (par->family == NFPROTO_IPV6) {
 		if ((info->source | info->dest) & XT_ADDRTYPE_BLACKHOLE) {
-			pr_err("ipv6 BLACKHOLE matching not supported\n");
-			return -EINVAL;
+			errmsg = "ipv6 BLACKHOLE matching not supported";
+			goto err;
 		}
 		if ((info->source | info->dest) >= XT_ADDRTYPE_PROHIBIT) {
-			pr_err("ipv6 PROHIBIT (THROW, NAT ..) matching not supported\n");
-			return -EINVAL;
+			errmsg = "ipv6 PROHIBIT (THROW, NAT ..) matching not supported";
+			goto err;
 		}
 		if ((info->source | info->dest) & XT_ADDRTYPE_BROADCAST) {
-			pr_err("ipv6 does not support BROADCAST matching\n");
-			return -EINVAL;
+			errmsg = "ipv6 does not support BROADCAST matching";
+			goto err;
 		}
 	}
 #endif
 	return 0;
+err:
+	pr_info_ratelimited("%s\n", errmsg);
+	return -EINVAL;
 }
 
 static struct xt_match addrtype_mt_reg[] __read_mostly = {
diff --git a/net/netfilter/xt_bpf.c b/net/netfilter/xt_bpf.c
index 06b090d..a2cf8a62 100644
--- a/net/netfilter/xt_bpf.c
+++ b/net/netfilter/xt_bpf.c
@@ -7,6 +7,8 @@
  * published by the Free Software Foundation.
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/module.h>
 #include <linux/syscalls.h>
 #include <linux/skbuff.h>
@@ -34,7 +36,7 @@ static int __bpf_mt_check_bytecode(struct sock_filter *insns, __u16 len,
 	program.filter = insns;
 
 	if (bpf_prog_create(ret, &program)) {
-		pr_info("bpf: check failed: parse error\n");
+		pr_info_ratelimited("check failed: parse error\n");
 		return -EINVAL;
 	}
 
diff --git a/net/netfilter/xt_cgroup.c b/net/netfilter/xt_cgroup.c
index 891f4e7..7df2dec 100644
--- a/net/netfilter/xt_cgroup.c
+++ b/net/netfilter/xt_cgroup.c
@@ -12,6 +12,8 @@
  * published by the Free Software Foundation.
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/skbuff.h>
 #include <linux/module.h>
 #include <linux/netfilter/x_tables.h>
@@ -48,7 +50,7 @@ static int cgroup_mt_check_v1(const struct xt_mtchk_param *par)
 	}
 
 	if (info->has_path && info->has_classid) {
-		pr_info("xt_cgroup: both path and classid specified\n");
+		pr_info_ratelimited("path and classid specified\n");
 		return -EINVAL;
 	}
 
@@ -56,8 +58,8 @@ static int cgroup_mt_check_v1(const struct xt_mtchk_param *par)
 	if (info->has_path) {
 		cgrp = cgroup_get_from_path(info->path);
 		if (IS_ERR(cgrp)) {
-			pr_info("xt_cgroup: invalid path, errno=%ld\n",
-				PTR_ERR(cgrp));
+			pr_info_ratelimited("invalid path, errno=%ld\n",
+					    PTR_ERR(cgrp));
 			return -EINVAL;
 		}
 		info->priv = cgrp;
diff --git a/net/netfilter/xt_cluster.c b/net/netfilter/xt_cluster.c
index 57ef175..00686889 100644
--- a/net/netfilter/xt_cluster.c
+++ b/net/netfilter/xt_cluster.c
@@ -135,14 +135,12 @@ static int xt_cluster_mt_checkentry(const struct xt_mtchk_param *par)
 	struct xt_cluster_match_info *info = par->matchinfo;
 
 	if (info->total_nodes > XT_CLUSTER_NODES_MAX) {
-		pr_info("you have exceeded the maximum "
-			"number of cluster nodes (%u > %u)\n",
-			info->total_nodes, XT_CLUSTER_NODES_MAX);
+		pr_info_ratelimited("you have exceeded the maximum number of cluster nodes (%u > %u)\n",
+				    info->total_nodes, XT_CLUSTER_NODES_MAX);
 		return -EINVAL;
 	}
 	if (info->node_mask >= (1ULL << info->total_nodes)) {
-		pr_info("this node mask cannot be "
-			"higher than the total number of nodes\n");
+		pr_info_ratelimited("node mask cannot exceed total number of nodes\n");
 		return -EDOM;
 	}
 	return 0;
diff --git a/net/netfilter/xt_connbytes.c b/net/netfilter/xt_connbytes.c
index cad0b7b..93cb018 100644
--- a/net/netfilter/xt_connbytes.c
+++ b/net/netfilter/xt_connbytes.c
@@ -112,8 +112,8 @@ static int connbytes_mt_check(const struct xt_mtchk_param *par)
 
 	ret = nf_ct_netns_get(par->net, par->family);
 	if (ret < 0)
-		pr_info("cannot load conntrack support for proto=%u\n",
-			par->family);
+		pr_info_ratelimited("cannot load conntrack support for proto=%u\n",
+				    par->family);
 
 	/*
 	 * This filter cannot function correctly unless connection tracking
diff --git a/net/netfilter/xt_connlabel.c b/net/netfilter/xt_connlabel.c
index 2337287..4fa4efd 100644
--- a/net/netfilter/xt_connlabel.c
+++ b/net/netfilter/xt_connlabel.c
@@ -57,14 +57,15 @@ static int connlabel_mt_check(const struct xt_mtchk_param *par)
 	int ret;
 
 	if (info->options & ~options) {
-		pr_err("Unknown options in mask %x\n", info->options);
+		pr_info_ratelimited("Unknown options in mask %x\n",
+				    info->options);
 		return -EINVAL;
 	}
 
 	ret = nf_ct_netns_get(par->net, par->family);
 	if (ret < 0) {
-		pr_info("cannot load conntrack support for proto=%u\n",
-							par->family);
+		pr_info_ratelimited("cannot load conntrack support for proto=%u\n",
+				    par->family);
 		return ret;
 	}
 
diff --git a/net/netfilter/xt_connmark.c b/net/netfilter/xt_connmark.c
index ec377cc..809639c 100644
--- a/net/netfilter/xt_connmark.c
+++ b/net/netfilter/xt_connmark.c
@@ -79,8 +79,8 @@ static int connmark_tg_check(const struct xt_tgchk_param *par)
 
 	ret = nf_ct_netns_get(par->net, par->family);
 	if (ret < 0)
-		pr_info("cannot load conntrack support for proto=%u\n",
-			par->family);
+		pr_info_ratelimited("cannot load conntrack support for proto=%u\n",
+				    par->family);
 	return ret;
 }
 
@@ -109,8 +109,8 @@ static int connmark_mt_check(const struct xt_mtchk_param *par)
 
 	ret = nf_ct_netns_get(par->net, par->family);
 	if (ret < 0)
-		pr_info("cannot load conntrack support for proto=%u\n",
-			par->family);
+		pr_info_ratelimited("cannot load conntrack support for proto=%u\n",
+				    par->family);
 	return ret;
 }
 
diff --git a/net/netfilter/xt_conntrack.c b/net/netfilter/xt_conntrack.c
index 39cf1d0..df80fe7 100644
--- a/net/netfilter/xt_conntrack.c
+++ b/net/netfilter/xt_conntrack.c
@@ -272,8 +272,8 @@ static int conntrack_mt_check(const struct xt_mtchk_param *par)
 
 	ret = nf_ct_netns_get(par->net, par->family);
 	if (ret < 0)
-		pr_info("cannot load conntrack support for proto=%u\n",
-			par->family);
+		pr_info_ratelimited("cannot load conntrack support for proto=%u\n",
+				    par->family);
 	return ret;
 }
 
diff --git a/net/netfilter/xt_dscp.c b/net/netfilter/xt_dscp.c
index 236ac80..a4c2b86 100644
--- a/net/netfilter/xt_dscp.c
+++ b/net/netfilter/xt_dscp.c
@@ -46,10 +46,8 @@ static int dscp_mt_check(const struct xt_mtchk_param *par)
 {
 	const struct xt_dscp_info *info = par->matchinfo;
 
-	if (info->dscp > XT_DSCP_MAX) {
-		pr_info("dscp %x out of range\n", info->dscp);
+	if (info->dscp > XT_DSCP_MAX)
 		return -EDOM;
-	}
 
 	return 0;
 }
diff --git a/net/netfilter/xt_ecn.c b/net/netfilter/xt_ecn.c
index 3c831a8..c7ad4af 100644
--- a/net/netfilter/xt_ecn.c
+++ b/net/netfilter/xt_ecn.c
@@ -97,7 +97,7 @@ static int ecn_mt_check4(const struct xt_mtchk_param *par)
 
 	if (info->operation & (XT_ECN_OP_MATCH_ECE | XT_ECN_OP_MATCH_CWR) &&
 	    (ip->proto != IPPROTO_TCP || ip->invflags & IPT_INV_PROTO)) {
-		pr_info("cannot match TCP bits in rule for non-tcp packets\n");
+		pr_info_ratelimited("cannot match TCP bits for non-tcp packets\n");
 		return -EINVAL;
 	}
 
@@ -139,7 +139,7 @@ static int ecn_mt_check6(const struct xt_mtchk_param *par)
 
 	if (info->operation & (XT_ECN_OP_MATCH_ECE | XT_ECN_OP_MATCH_CWR) &&
 	    (ip->proto != IPPROTO_TCP || ip->invflags & IP6T_INV_PROTO)) {
-		pr_info("cannot match TCP bits in rule for non-tcp packets\n");
+		pr_info_ratelimited("cannot match TCP bits for non-tcp packets\n");
 		return -EINVAL;
 	}
 
diff --git a/net/netfilter/xt_hashlimit.c b/net/netfilter/xt_hashlimit.c
index ca68474..66f5aca 100644
--- a/net/netfilter/xt_hashlimit.c
+++ b/net/netfilter/xt_hashlimit.c
@@ -523,7 +523,8 @@ static u64 user2rate(u64 user)
 	if (user != 0) {
 		return div64_u64(XT_HASHLIMIT_SCALE_v2, user);
 	} else {
-		pr_warn("invalid rate from userspace: %llu\n", user);
+		pr_info_ratelimited("invalid rate from userspace: %llu\n",
+				    user);
 		return 0;
 	}
 }
@@ -774,7 +775,7 @@ hashlimit_mt_common(const struct sk_buff *skb, struct xt_action_param *par,
 		if (!dh->rateinfo.prev_window &&
 		    (dh->rateinfo.current_rate <= dh->rateinfo.burst)) {
 			spin_unlock(&dh->lock);
-			rcu_read_unlock_bh();
+			local_bh_enable();
 			return !(cfg->mode & XT_HASHLIMIT_INVERT);
 		} else {
 			goto overlimit;
@@ -865,33 +866,34 @@ static int hashlimit_mt_check_common(const struct xt_mtchk_param *par,
 	}
 
 	if (cfg->mode & ~XT_HASHLIMIT_ALL) {
-		pr_info("Unknown mode mask %X, kernel too old?\n",
-						cfg->mode);
+		pr_info_ratelimited("Unknown mode mask %X, kernel too old?\n",
+				    cfg->mode);
 		return -EINVAL;
 	}
 
 	/* Check for overflow. */
 	if (revision >= 3 && cfg->mode & XT_HASHLIMIT_RATE_MATCH) {
 		if (cfg->avg == 0 || cfg->avg > U32_MAX) {
-			pr_info("hashlimit invalid rate\n");
+			pr_info_ratelimited("invalid rate\n");
 			return -ERANGE;
 		}
 
 		if (cfg->interval == 0) {
-			pr_info("hashlimit invalid interval\n");
+			pr_info_ratelimited("invalid interval\n");
 			return -EINVAL;
 		}
 	} else if (cfg->mode & XT_HASHLIMIT_BYTES) {
 		if (user2credits_byte(cfg->avg) == 0) {
-			pr_info("overflow, rate too high: %llu\n", cfg->avg);
+			pr_info_ratelimited("overflow, rate too high: %llu\n",
+					    cfg->avg);
 			return -EINVAL;
 		}
 	} else if (cfg->burst == 0 ||
-		    user2credits(cfg->avg * cfg->burst, revision) <
-		    user2credits(cfg->avg, revision)) {
-			pr_info("overflow, try lower: %llu/%llu\n",
-				cfg->avg, cfg->burst);
-			return -ERANGE;
+		   user2credits(cfg->avg * cfg->burst, revision) <
+		   user2credits(cfg->avg, revision)) {
+		pr_info_ratelimited("overflow, try lower: %llu/%llu\n",
+				    cfg->avg, cfg->burst);
+		return -ERANGE;
 	}
 
 	mutex_lock(&hashlimit_mutex);
diff --git a/net/netfilter/xt_helper.c b/net/netfilter/xt_helper.c
index 38a7815..fd077ae 100644
--- a/net/netfilter/xt_helper.c
+++ b/net/netfilter/xt_helper.c
@@ -61,8 +61,8 @@ static int helper_mt_check(const struct xt_mtchk_param *par)
 
 	ret = nf_ct_netns_get(par->net, par->family);
 	if (ret < 0) {
-		pr_info("cannot load conntrack support for proto=%u\n",
-			par->family);
+		pr_info_ratelimited("cannot load conntrack support for proto=%u\n",
+				    par->family);
 		return ret;
 	}
 	info->name[sizeof(info->name) - 1] = '\0';
diff --git a/net/netfilter/xt_ipcomp.c b/net/netfilter/xt_ipcomp.c
index 7ca64a5..57f1df5 100644
--- a/net/netfilter/xt_ipcomp.c
+++ b/net/netfilter/xt_ipcomp.c
@@ -72,7 +72,7 @@ static int comp_mt_check(const struct xt_mtchk_param *par)
 
 	/* Must specify no unknown invflags */
 	if (compinfo->invflags & ~XT_IPCOMP_INV_MASK) {
-		pr_err("unknown flags %X\n", compinfo->invflags);
+		pr_info_ratelimited("unknown flags %X\n", compinfo->invflags);
 		return -EINVAL;
 	}
 	return 0;
diff --git a/net/netfilter/xt_ipvs.c b/net/netfilter/xt_ipvs.c
index 42540d2..1d950a6 100644
--- a/net/netfilter/xt_ipvs.c
+++ b/net/netfilter/xt_ipvs.c
@@ -158,7 +158,8 @@ static int ipvs_mt_check(const struct xt_mtchk_param *par)
 	    && par->family != NFPROTO_IPV6
 #endif
 		) {
-		pr_info("protocol family %u not supported\n", par->family);
+		pr_info_ratelimited("protocol family %u not supported\n",
+				    par->family);
 		return -EINVAL;
 	}
 
diff --git a/net/netfilter/xt_l2tp.c b/net/netfilter/xt_l2tp.c
index 8aee572..c43482b 100644
--- a/net/netfilter/xt_l2tp.c
+++ b/net/netfilter/xt_l2tp.c
@@ -216,7 +216,7 @@ static int l2tp_mt_check(const struct xt_mtchk_param *par)
 	/* Check for invalid flags */
 	if (info->flags & ~(XT_L2TP_TID | XT_L2TP_SID | XT_L2TP_VERSION |
 			    XT_L2TP_TYPE)) {
-		pr_info("unknown flags: %x\n", info->flags);
+		pr_info_ratelimited("unknown flags: %x\n", info->flags);
 		return -EINVAL;
 	}
 
@@ -225,7 +225,8 @@ static int l2tp_mt_check(const struct xt_mtchk_param *par)
 	    (!(info->flags & XT_L2TP_SID)) &&
 	    ((!(info->flags & XT_L2TP_TYPE)) ||
 	     (info->type != XT_L2TP_TYPE_CONTROL))) {
-		pr_info("invalid flags combination: %x\n", info->flags);
+		pr_info_ratelimited("invalid flags combination: %x\n",
+				    info->flags);
 		return -EINVAL;
 	}
 
@@ -234,19 +235,22 @@ static int l2tp_mt_check(const struct xt_mtchk_param *par)
 	 */
 	if (info->flags & XT_L2TP_VERSION) {
 		if ((info->version < 2) || (info->version > 3)) {
-			pr_info("wrong L2TP version: %u\n", info->version);
+			pr_info_ratelimited("wrong L2TP version: %u\n",
+					    info->version);
 			return -EINVAL;
 		}
 
 		if (info->version == 2) {
 			if ((info->flags & XT_L2TP_TID) &&
 			    (info->tid > 0xffff)) {
-				pr_info("v2 tid > 0xffff: %u\n", info->tid);
+				pr_info_ratelimited("v2 tid > 0xffff: %u\n",
+						    info->tid);
 				return -EINVAL;
 			}
 			if ((info->flags & XT_L2TP_SID) &&
 			    (info->sid > 0xffff)) {
-				pr_info("v2 sid > 0xffff: %u\n", info->sid);
+				pr_info_ratelimited("v2 sid > 0xffff: %u\n",
+						    info->sid);
 				return -EINVAL;
 			}
 		}
@@ -268,13 +272,13 @@ static int l2tp_mt_check4(const struct xt_mtchk_param *par)
 
 	if ((ip->proto != IPPROTO_UDP) &&
 	    (ip->proto != IPPROTO_L2TP)) {
-		pr_info("missing protocol rule (udp|l2tpip)\n");
+		pr_info_ratelimited("missing protocol rule (udp|l2tpip)\n");
 		return -EINVAL;
 	}
 
 	if ((ip->proto == IPPROTO_L2TP) &&
 	    (info->version == 2)) {
-		pr_info("v2 doesn't support IP mode\n");
+		pr_info_ratelimited("v2 doesn't support IP mode\n");
 		return -EINVAL;
 	}
 
@@ -295,13 +299,13 @@ static int l2tp_mt_check6(const struct xt_mtchk_param *par)
 
 	if ((ip->proto != IPPROTO_UDP) &&
 	    (ip->proto != IPPROTO_L2TP)) {
-		pr_info("missing protocol rule (udp|l2tpip)\n");
+		pr_info_ratelimited("missing protocol rule (udp|l2tpip)\n");
 		return -EINVAL;
 	}
 
 	if ((ip->proto == IPPROTO_L2TP) &&
 	    (info->version == 2)) {
-		pr_info("v2 doesn't support IP mode\n");
+		pr_info_ratelimited("v2 doesn't support IP mode\n");
 		return -EINVAL;
 	}
 
diff --git a/net/netfilter/xt_limit.c b/net/netfilter/xt_limit.c
index 61403b7..55d18cd 100644
--- a/net/netfilter/xt_limit.c
+++ b/net/netfilter/xt_limit.c
@@ -106,8 +106,8 @@ static int limit_mt_check(const struct xt_mtchk_param *par)
 	/* Check for overflow. */
 	if (r->burst == 0
 	    || user2credits(r->avg * r->burst) < user2credits(r->avg)) {
-		pr_info("Overflow, try lower: %u/%u\n",
-			r->avg, r->burst);
+		pr_info_ratelimited("Overflow, try lower: %u/%u\n",
+				    r->avg, r->burst);
 		return -ERANGE;
 	}
 
diff --git a/net/netfilter/xt_nat.c b/net/netfilter/xt_nat.c
index 0fd14d1..bdb689c 100644
--- a/net/netfilter/xt_nat.c
+++ b/net/netfilter/xt_nat.c
@@ -8,6 +8,8 @@
  * published by the Free Software Foundation.
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/module.h>
 #include <linux/skbuff.h>
 #include <linux/netfilter.h>
@@ -19,8 +21,7 @@ static int xt_nat_checkentry_v0(const struct xt_tgchk_param *par)
 	const struct nf_nat_ipv4_multi_range_compat *mr = par->targinfo;
 
 	if (mr->rangesize != 1) {
-		pr_info("%s: multiple ranges no longer supported\n",
-			par->target->name);
+		pr_info_ratelimited("multiple ranges no longer supported\n");
 		return -EINVAL;
 	}
 	return nf_ct_netns_get(par->net, par->family);
diff --git a/net/netfilter/xt_nfacct.c b/net/netfilter/xt_nfacct.c
index 6f92d25..c8674de 100644
--- a/net/netfilter/xt_nfacct.c
+++ b/net/netfilter/xt_nfacct.c
@@ -6,6 +6,8 @@
  * it under the terms of the GNU General Public License version 2 (or any
  * later at your option) as published by the Free Software Foundation.
  */
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/module.h>
 #include <linux/skbuff.h>
 
@@ -39,8 +41,8 @@ nfacct_mt_checkentry(const struct xt_mtchk_param *par)
 
 	nfacct = nfnl_acct_find_get(par->net, info->name);
 	if (nfacct == NULL) {
-		pr_info("xt_nfacct: accounting object with name `%s' "
-			"does not exists\n", info->name);
+		pr_info_ratelimited("accounting object `%s' does not exists\n",
+				    info->name);
 		return -ENOENT;
 	}
 	info->nfacct = nfacct;
diff --git a/net/netfilter/xt_physdev.c b/net/netfilter/xt_physdev.c
index bb33598..9d6d67b 100644
--- a/net/netfilter/xt_physdev.c
+++ b/net/netfilter/xt_physdev.c
@@ -107,9 +107,7 @@ static int physdev_mt_check(const struct xt_mtchk_param *par)
 	     info->invert & XT_PHYSDEV_OP_BRIDGED) &&
 	    par->hook_mask & ((1 << NF_INET_LOCAL_OUT) |
 	    (1 << NF_INET_FORWARD) | (1 << NF_INET_POST_ROUTING))) {
-		pr_info("using --physdev-out and --physdev-is-out are only "
-			"supported in the FORWARD and POSTROUTING chains with "
-			"bridged traffic.\n");
+		pr_info_ratelimited("--physdev-out and --physdev-is-out only supported in the FORWARD and POSTROUTING chains with bridged traffic\n");
 		if (par->hook_mask & (1 << NF_INET_LOCAL_OUT))
 			return -EINVAL;
 	}
diff --git a/net/netfilter/xt_policy.c b/net/netfilter/xt_policy.c
index 5639fb0..13f8ccf 100644
--- a/net/netfilter/xt_policy.c
+++ b/net/netfilter/xt_policy.c
@@ -132,26 +132,29 @@ policy_mt(const struct sk_buff *skb, struct xt_action_param *par)
 static int policy_mt_check(const struct xt_mtchk_param *par)
 {
 	const struct xt_policy_info *info = par->matchinfo;
+	const char *errmsg = "neither incoming nor outgoing policy selected";
+
+	if (!(info->flags & (XT_POLICY_MATCH_IN|XT_POLICY_MATCH_OUT)))
+		goto err;
 
-	if (!(info->flags & (XT_POLICY_MATCH_IN|XT_POLICY_MATCH_OUT))) {
-		pr_info("neither incoming nor outgoing policy selected\n");
-		return -EINVAL;
-	}
 	if (par->hook_mask & ((1 << NF_INET_PRE_ROUTING) |
 	    (1 << NF_INET_LOCAL_IN)) && info->flags & XT_POLICY_MATCH_OUT) {
-		pr_info("output policy not valid in PREROUTING and INPUT\n");
-		return -EINVAL;
+		errmsg = "output policy not valid in PREROUTING and INPUT";
+		goto err;
 	}
 	if (par->hook_mask & ((1 << NF_INET_POST_ROUTING) |
 	    (1 << NF_INET_LOCAL_OUT)) && info->flags & XT_POLICY_MATCH_IN) {
-		pr_info("input policy not valid in POSTROUTING and OUTPUT\n");
-		return -EINVAL;
+		errmsg = "input policy not valid in POSTROUTING and OUTPUT";
+		goto err;
 	}
 	if (info->len > XT_POLICY_MAX_ELEM) {
-		pr_info("too many policy elements\n");
-		return -EINVAL;
+		errmsg = "too many policy elements";
+		goto err;
 	}
 	return 0;
+err:
+	pr_info_ratelimited("%s\n", errmsg);
+	return -EINVAL;
 }
 
 static struct xt_match policy_mt_reg[] __read_mostly = {
diff --git a/net/netfilter/xt_recent.c b/net/netfilter/xt_recent.c
index 245fa35..6d232d1 100644
--- a/net/netfilter/xt_recent.c
+++ b/net/netfilter/xt_recent.c
@@ -342,8 +342,8 @@ static int recent_mt_check(const struct xt_mtchk_param *par,
 	net_get_random_once(&hash_rnd, sizeof(hash_rnd));
 
 	if (info->check_set & ~XT_RECENT_VALID_FLAGS) {
-		pr_info("Unsupported user space flags (%08x)\n",
-			info->check_set);
+		pr_info_ratelimited("Unsupported userspace flags (%08x)\n",
+				    info->check_set);
 		return -EINVAL;
 	}
 	if (hweight8(info->check_set &
@@ -357,8 +357,8 @@ static int recent_mt_check(const struct xt_mtchk_param *par,
 	if ((info->check_set & XT_RECENT_REAP) && !info->seconds)
 		return -EINVAL;
 	if (info->hit_count >= XT_RECENT_MAX_NSTAMPS) {
-		pr_info("hitcount (%u) is larger than allowed maximum (%u)\n",
-			info->hit_count, XT_RECENT_MAX_NSTAMPS - 1);
+		pr_info_ratelimited("hitcount (%u) is larger than allowed maximum (%u)\n",
+				    info->hit_count, XT_RECENT_MAX_NSTAMPS - 1);
 		return -EINVAL;
 	}
 	if (info->name[0] == '\0' ||
@@ -587,7 +587,7 @@ recent_mt_proc_write(struct file *file, const char __user *input,
 		add = true;
 		break;
 	default:
-		pr_info("Need \"+ip\", \"-ip\" or \"/\"\n");
+		pr_info_ratelimited("Need \"+ip\", \"-ip\" or \"/\"\n");
 		return -EINVAL;
 	}
 
@@ -601,10 +601,8 @@ recent_mt_proc_write(struct file *file, const char __user *input,
 		succ   = in4_pton(c, size, (void *)&addr, '\n', NULL);
 	}
 
-	if (!succ) {
-		pr_info("illegal address written to procfs\n");
+	if (!succ)
 		return -EINVAL;
-	}
 
 	spin_lock_bh(&recent_lock);
 	e = recent_entry_lookup(t, &addr, family, 0);
diff --git a/net/netfilter/xt_set.c b/net/netfilter/xt_set.c
index 16b6b11..6f4c521 100644
--- a/net/netfilter/xt_set.c
+++ b/net/netfilter/xt_set.c
@@ -92,12 +92,12 @@ set_match_v0_checkentry(const struct xt_mtchk_param *par)
 	index = ip_set_nfnl_get_byindex(par->net, info->match_set.index);
 
 	if (index == IPSET_INVALID_ID) {
-		pr_warn("Cannot find set identified by id %u to match\n",
-			info->match_set.index);
+		pr_info_ratelimited("Cannot find set identified by id %u to match\n",
+				    info->match_set.index);
 		return -ENOENT;
 	}
 	if (info->match_set.u.flags[IPSET_DIM_MAX - 1] != 0) {
-		pr_warn("Protocol error: set match dimension is over the limit!\n");
+		pr_info_ratelimited("set match dimension is over the limit!\n");
 		ip_set_nfnl_put(par->net, info->match_set.index);
 		return -ERANGE;
 	}
@@ -143,12 +143,12 @@ set_match_v1_checkentry(const struct xt_mtchk_param *par)
 	index = ip_set_nfnl_get_byindex(par->net, info->match_set.index);
 
 	if (index == IPSET_INVALID_ID) {
-		pr_warn("Cannot find set identified by id %u to match\n",
-			info->match_set.index);
+		pr_info_ratelimited("Cannot find set identified by id %u to match\n",
+				    info->match_set.index);
 		return -ENOENT;
 	}
 	if (info->match_set.dim > IPSET_DIM_MAX) {
-		pr_warn("Protocol error: set match dimension is over the limit!\n");
+		pr_info_ratelimited("set match dimension is over the limit!\n");
 		ip_set_nfnl_put(par->net, info->match_set.index);
 		return -ERANGE;
 	}
@@ -241,8 +241,8 @@ set_target_v0_checkentry(const struct xt_tgchk_param *par)
 	if (info->add_set.index != IPSET_INVALID_ID) {
 		index = ip_set_nfnl_get_byindex(par->net, info->add_set.index);
 		if (index == IPSET_INVALID_ID) {
-			pr_warn("Cannot find add_set index %u as target\n",
-				info->add_set.index);
+			pr_info_ratelimited("Cannot find add_set index %u as target\n",
+					    info->add_set.index);
 			return -ENOENT;
 		}
 	}
@@ -250,8 +250,8 @@ set_target_v0_checkentry(const struct xt_tgchk_param *par)
 	if (info->del_set.index != IPSET_INVALID_ID) {
 		index = ip_set_nfnl_get_byindex(par->net, info->del_set.index);
 		if (index == IPSET_INVALID_ID) {
-			pr_warn("Cannot find del_set index %u as target\n",
-				info->del_set.index);
+			pr_info_ratelimited("Cannot find del_set index %u as target\n",
+					    info->del_set.index);
 			if (info->add_set.index != IPSET_INVALID_ID)
 				ip_set_nfnl_put(par->net, info->add_set.index);
 			return -ENOENT;
@@ -259,7 +259,7 @@ set_target_v0_checkentry(const struct xt_tgchk_param *par)
 	}
 	if (info->add_set.u.flags[IPSET_DIM_MAX - 1] != 0 ||
 	    info->del_set.u.flags[IPSET_DIM_MAX - 1] != 0) {
-		pr_warn("Protocol error: SET target dimension is over the limit!\n");
+		pr_info_ratelimited("SET target dimension over the limit!\n");
 		if (info->add_set.index != IPSET_INVALID_ID)
 			ip_set_nfnl_put(par->net, info->add_set.index);
 		if (info->del_set.index != IPSET_INVALID_ID)
@@ -316,8 +316,8 @@ set_target_v1_checkentry(const struct xt_tgchk_param *par)
 	if (info->add_set.index != IPSET_INVALID_ID) {
 		index = ip_set_nfnl_get_byindex(par->net, info->add_set.index);
 		if (index == IPSET_INVALID_ID) {
-			pr_warn("Cannot find add_set index %u as target\n",
-				info->add_set.index);
+			pr_info_ratelimited("Cannot find add_set index %u as target\n",
+					    info->add_set.index);
 			return -ENOENT;
 		}
 	}
@@ -325,8 +325,8 @@ set_target_v1_checkentry(const struct xt_tgchk_param *par)
 	if (info->del_set.index != IPSET_INVALID_ID) {
 		index = ip_set_nfnl_get_byindex(par->net, info->del_set.index);
 		if (index == IPSET_INVALID_ID) {
-			pr_warn("Cannot find del_set index %u as target\n",
-				info->del_set.index);
+			pr_info_ratelimited("Cannot find del_set index %u as target\n",
+					    info->del_set.index);
 			if (info->add_set.index != IPSET_INVALID_ID)
 				ip_set_nfnl_put(par->net, info->add_set.index);
 			return -ENOENT;
@@ -334,7 +334,7 @@ set_target_v1_checkentry(const struct xt_tgchk_param *par)
 	}
 	if (info->add_set.dim > IPSET_DIM_MAX ||
 	    info->del_set.dim > IPSET_DIM_MAX) {
-		pr_warn("Protocol error: SET target dimension is over the limit!\n");
+		pr_info_ratelimited("SET target dimension over the limit!\n");
 		if (info->add_set.index != IPSET_INVALID_ID)
 			ip_set_nfnl_put(par->net, info->add_set.index);
 		if (info->del_set.index != IPSET_INVALID_ID)
@@ -444,8 +444,8 @@ set_target_v3_checkentry(const struct xt_tgchk_param *par)
 		index = ip_set_nfnl_get_byindex(par->net,
 						info->add_set.index);
 		if (index == IPSET_INVALID_ID) {
-			pr_warn("Cannot find add_set index %u as target\n",
-				info->add_set.index);
+			pr_info_ratelimited("Cannot find add_set index %u as target\n",
+					    info->add_set.index);
 			return -ENOENT;
 		}
 	}
@@ -454,8 +454,8 @@ set_target_v3_checkentry(const struct xt_tgchk_param *par)
 		index = ip_set_nfnl_get_byindex(par->net,
 						info->del_set.index);
 		if (index == IPSET_INVALID_ID) {
-			pr_warn("Cannot find del_set index %u as target\n",
-				info->del_set.index);
+			pr_info_ratelimited("Cannot find del_set index %u as target\n",
+					    info->del_set.index);
 			if (info->add_set.index != IPSET_INVALID_ID)
 				ip_set_nfnl_put(par->net,
 						info->add_set.index);
@@ -465,7 +465,7 @@ set_target_v3_checkentry(const struct xt_tgchk_param *par)
 
 	if (info->map_set.index != IPSET_INVALID_ID) {
 		if (strncmp(par->table, "mangle", 7)) {
-			pr_warn("--map-set only usable from mangle table\n");
+			pr_info_ratelimited("--map-set only usable from mangle table\n");
 			return -EINVAL;
 		}
 		if (((info->flags & IPSET_FLAG_MAP_SKBPRIO) |
@@ -473,14 +473,14 @@ set_target_v3_checkentry(const struct xt_tgchk_param *par)
 		     !(par->hook_mask & (1 << NF_INET_FORWARD |
 					 1 << NF_INET_LOCAL_OUT |
 					 1 << NF_INET_POST_ROUTING))) {
-			pr_warn("mapping of prio or/and queue is allowed only from OUTPUT/FORWARD/POSTROUTING chains\n");
+			pr_info_ratelimited("mapping of prio or/and queue is allowed only from OUTPUT/FORWARD/POSTROUTING chains\n");
 			return -EINVAL;
 		}
 		index = ip_set_nfnl_get_byindex(par->net,
 						info->map_set.index);
 		if (index == IPSET_INVALID_ID) {
-			pr_warn("Cannot find map_set index %u as target\n",
-				info->map_set.index);
+			pr_info_ratelimited("Cannot find map_set index %u as target\n",
+					    info->map_set.index);
 			if (info->add_set.index != IPSET_INVALID_ID)
 				ip_set_nfnl_put(par->net,
 						info->add_set.index);
@@ -494,7 +494,7 @@ set_target_v3_checkentry(const struct xt_tgchk_param *par)
 	if (info->add_set.dim > IPSET_DIM_MAX ||
 	    info->del_set.dim > IPSET_DIM_MAX ||
 	    info->map_set.dim > IPSET_DIM_MAX) {
-		pr_warn("Protocol error: SET target dimension is over the limit!\n");
+		pr_info_ratelimited("SET target dimension over the limit!\n");
 		if (info->add_set.index != IPSET_INVALID_ID)
 			ip_set_nfnl_put(par->net, info->add_set.index);
 		if (info->del_set.index != IPSET_INVALID_ID)
diff --git a/net/netfilter/xt_socket.c b/net/netfilter/xt_socket.c
index 575d215..2ac7f67 100644
--- a/net/netfilter/xt_socket.c
+++ b/net/netfilter/xt_socket.c
@@ -171,7 +171,8 @@ static int socket_mt_v1_check(const struct xt_mtchk_param *par)
 		return err;
 
 	if (info->flags & ~XT_SOCKET_FLAGS_V1) {
-		pr_info("unknown flags 0x%x\n", info->flags & ~XT_SOCKET_FLAGS_V1);
+		pr_info_ratelimited("unknown flags 0x%x\n",
+				    info->flags & ~XT_SOCKET_FLAGS_V1);
 		return -EINVAL;
 	}
 	return 0;
@@ -187,7 +188,8 @@ static int socket_mt_v2_check(const struct xt_mtchk_param *par)
 		return err;
 
 	if (info->flags & ~XT_SOCKET_FLAGS_V2) {
-		pr_info("unknown flags 0x%x\n", info->flags & ~XT_SOCKET_FLAGS_V2);
+		pr_info_ratelimited("unknown flags 0x%x\n",
+				    info->flags & ~XT_SOCKET_FLAGS_V2);
 		return -EINVAL;
 	}
 	return 0;
@@ -203,8 +205,8 @@ static int socket_mt_v3_check(const struct xt_mtchk_param *par)
 	if (err)
 		return err;
 	if (info->flags & ~XT_SOCKET_FLAGS_V3) {
-		pr_info("unknown flags 0x%x\n",
-			info->flags & ~XT_SOCKET_FLAGS_V3);
+		pr_info_ratelimited("unknown flags 0x%x\n",
+				    info->flags & ~XT_SOCKET_FLAGS_V3);
 		return -EINVAL;
 	}
 	return 0;
diff --git a/net/netfilter/xt_state.c b/net/netfilter/xt_state.c
index 5fbd791..0b41c0b 100644
--- a/net/netfilter/xt_state.c
+++ b/net/netfilter/xt_state.c
@@ -44,8 +44,8 @@ static int state_mt_check(const struct xt_mtchk_param *par)
 
 	ret = nf_ct_netns_get(par->net, par->family);
 	if (ret < 0)
-		pr_info("cannot load conntrack support for proto=%u\n",
-			par->family);
+		pr_info_ratelimited("cannot load conntrack support for proto=%u\n",
+				    par->family);
 	return ret;
 }
 
diff --git a/net/netfilter/xt_time.c b/net/netfilter/xt_time.c
index 1b01eec..0160f50 100644
--- a/net/netfilter/xt_time.c
+++ b/net/netfilter/xt_time.c
@@ -235,13 +235,13 @@ static int time_mt_check(const struct xt_mtchk_param *par)
 
 	if (info->daytime_start > XT_TIME_MAX_DAYTIME ||
 	    info->daytime_stop > XT_TIME_MAX_DAYTIME) {
-		pr_info("invalid argument - start or "
-			"stop time greater than 23:59:59\n");
+		pr_info_ratelimited("invalid argument - start or stop time greater than 23:59:59\n");
 		return -EDOM;
 	}
 
 	if (info->flags & ~XT_TIME_ALL_FLAGS) {
-		pr_info("unknown flags 0x%x\n", info->flags & ~XT_TIME_ALL_FLAGS);
+		pr_info_ratelimited("unknown flags 0x%x\n",
+				    info->flags & ~XT_TIME_ALL_FLAGS);
 		return -EINVAL;
 	}
 
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 63cb55d..5d10dcf 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -2308,7 +2308,7 @@ int __netlink_dump_start(struct sock *ssk, struct sk_buff *skb,
 	if (cb->start) {
 		ret = cb->start(cb);
 		if (ret)
-			goto error_unlock;
+			goto error_put;
 	}
 
 	nlk->cb_running = true;
@@ -2328,6 +2328,8 @@ int __netlink_dump_start(struct sock *ssk, struct sk_buff *skb,
 	 */
 	return -EINTR;
 
+error_put:
+	module_put(control->module);
 error_unlock:
 	sock_put(sk);
 	mutex_unlock(nlk->cb_mutex);
diff --git a/net/rxrpc/output.c b/net/rxrpc/output.c
index 42410e9..cf73dc0 100644
--- a/net/rxrpc/output.c
+++ b/net/rxrpc/output.c
@@ -445,7 +445,7 @@ send_fragmentable:
 					(char *)&opt, sizeof(opt));
 		if (ret == 0) {
 			ret = kernel_sendmsg(conn->params.local->socket, &msg,
-					     iov, 1, iov[0].iov_len);
+					     iov, 2, len);
 
 			opt = IPV6_PMTUDISC_DO;
 			kernel_setsockopt(conn->params.local->socket,
diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c
index 3e14d38..9d1a8bb 100644
--- a/net/sched/cls_api.c
+++ b/net/sched/cls_api.c
@@ -1397,13 +1397,18 @@ static int tc_dump_tfilter(struct sk_buff *skb, struct netlink_callback *cb)
 		    nla_get_u32(tca[TCA_CHAIN]) != chain->index)
 			continue;
 		if (!tcf_chain_dump(chain, q, parent, skb, cb,
-				    index_start, &index))
+				    index_start, &index)) {
+			err = -EMSGSIZE;
 			break;
+		}
 	}
 
 	cb->args[0] = index;
 
 out:
+	/* If we did no progress, the error (EMSGSIZE) is real */
+	if (skb->len == 0 && err)
+		return err;
 	return skb->len;
 }
 
diff --git a/net/wireless/mesh.c b/net/wireless/mesh.c
index 51aa556..b12da6e 100644
--- a/net/wireless/mesh.c
+++ b/net/wireless/mesh.c
@@ -170,9 +170,28 @@ int __cfg80211_join_mesh(struct cfg80211_registered_device *rdev,
 		enum nl80211_bss_scan_width scan_width;
 		struct ieee80211_supported_band *sband =
 				rdev->wiphy.bands[setup->chandef.chan->band];
-		scan_width = cfg80211_chandef_to_scan_width(&setup->chandef);
-		setup->basic_rates = ieee80211_mandatory_rates(sband,
-							       scan_width);
+
+		if (setup->chandef.chan->band == NL80211_BAND_2GHZ) {
+			int i;
+
+			/*
+			 * Older versions selected the mandatory rates for
+			 * 2.4 GHz as well, but were broken in that only
+			 * 1 Mbps was regarded as a mandatory rate. Keep
+			 * using just 1 Mbps as the default basic rate for
+			 * mesh to be interoperable with older versions.
+			 */
+			for (i = 0; i < sband->n_bitrates; i++) {
+				if (sband->bitrates[i].bitrate == 10) {
+					setup->basic_rates = BIT(i);
+					break;
+				}
+			}
+		} else {
+			scan_width = cfg80211_chandef_to_scan_width(&setup->chandef);
+			setup->basic_rates = ieee80211_mandatory_rates(sband,
+								       scan_width);
+		}
 	}
 
 	err = cfg80211_chandef_dfs_required(&rdev->wiphy,
diff --git a/net/wireless/sme.c b/net/wireless/sme.c
index fdb3646..701cfd7 100644
--- a/net/wireless/sme.c
+++ b/net/wireless/sme.c
@@ -1032,6 +1032,8 @@ void __cfg80211_disconnected(struct net_device *dev, const u8 *ie,
 	wdev->current_bss = NULL;
 	wdev->ssid_len = 0;
 	wdev->conn_owner_nlportid = 0;
+	kzfree(wdev->connect_keys);
+	wdev->connect_keys = NULL;
 
 	nl80211_send_disconnected(rdev, dev, reason, ie, ie_len, from_ap);