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

Pull networking fixes from David Miller:
 "More fixes in the queue:

  1) Netfilter nat can erroneously register the device notifier twice,
     fix from Florian Westphal.

  2) Use after free in nf_tables, from Pablo Neira Ayuso.

  3) Parallel update of steering rule fix in mlx5 river, from Eli
     Britstein.

  4) RX processing panic in lan743x, fix from Bryan Whitehead.

  5) Use before initialization of TCP_SKB_CB, fix from Christoph Paasch.

  6) Fix locking in SRIOV mode of mlx4 driver, from Jack Morgenstein.

  7) Fix TX stalls in lan743x due to mishandling of interrupt ACKing
     modes, from Bryan Whitehead.

  8) Fix infoleak in l2tp_ip6_recvmsg(), from Eric Dumazet"

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (43 commits)
  pptp: dst_release sk_dst_cache in pptp_sock_destruct
  MAINTAINERS: GENET & SYSTEMPORT: Add internal Broadcom list
  l2tp: fix infoleak in l2tp_ip6_recvmsg()
  net/tls: Inform user space about send buffer availability
  net_sched: return correct value for *notify* functions
  lan743x: Fix TX Stall Issue
  net/mlx4_core: Fix qp mtt size calculation
  net/mlx4_core: Fix locking in SRIOV mode when switching between events and polling
  net/mlx4_core: Fix reset flow when in command polling mode
  mlxsw: minimal: Initialize base_mac
  mlxsw: core: Prevent duplication during QSFP module initialization
  net: dwmac-sun8i: fix a missing check of of_get_phy_mode
  net: sh_eth: fix a missing check of of_get_phy_mode
  net: 8390: fix potential NULL pointer dereferences
  net: fujitsu: fix a potential NULL pointer dereference
  net: qlogic: fix a potential NULL pointer dereference
  isdn: hfcpci: fix potential NULL pointer dereference
  Documentation: devicetree: add a new optional property for port mac address
  net: rocker: fix a potential NULL pointer dereference
  net: qlge: fix a potential NULL pointer dereference
  ...

13 files changed, 134 insertions, 66 deletions

diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 831d844a27ca..277d71239d75 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -1734,15 +1734,8 @@ EXPORT_SYMBOL(tcp_add_backlog);
 int tcp_filter(struct sock *sk, struct sk_buff *skb)
 {
 	struct tcphdr *th = (struct tcphdr *)skb->data;
-	unsigned int eaten = skb->len;
-	int err;
 
-	err = sk_filter_trim_cap(sk, skb, th->doff * 4);
-	if (!err) {
-		eaten -= skb->len;
-		TCP_SKB_CB(skb)->end_seq -= eaten;
-	}
-	return err;
+	return sk_filter_trim_cap(sk, skb, th->doff * 4);
 }
 EXPORT_SYMBOL(tcp_filter);
 
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index 09e440e8dfae..07e21a82ce4c 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -778,8 +778,9 @@ static bool check_6rd(struct ip_tunnel *tunnel, const struct in6_addr *v6dst,
 		pbw0 = tunnel->ip6rd.prefixlen >> 5;
 		pbi0 = tunnel->ip6rd.prefixlen & 0x1f;
 
-		d = (ntohl(v6dst->s6_addr32[pbw0]) << pbi0) >>
-		    tunnel->ip6rd.relay_prefixlen;
+		d = tunnel->ip6rd.relay_prefixlen < 32 ?
+			(ntohl(v6dst->s6_addr32[pbw0]) << pbi0) >>
+		    tunnel->ip6rd.relay_prefixlen : 0;
 
 		pbi1 = pbi0 - tunnel->ip6rd.relay_prefixlen;
 		if (pbi1 > 0)
diff --git a/net/l2tp/l2tp_ip6.c b/net/l2tp/l2tp_ip6.c
index 0ae6899edac0..37a69df17cab 100644
--- a/net/l2tp/l2tp_ip6.c
+++ b/net/l2tp/l2tp_ip6.c
@@ -674,9 +674,6 @@ static int l2tp_ip6_recvmsg(struct sock *sk, struct msghdr *msg, size_t len,
 	if (flags & MSG_OOB)
 		goto out;
 
-	if (addr_len)
-		*addr_len = sizeof(*lsa);
-
 	if (flags & MSG_ERRQUEUE)
 		return ipv6_recv_error(sk, msg, len, addr_len);
 
@@ -706,6 +703,7 @@ static int l2tp_ip6_recvmsg(struct sock *sk, struct msghdr *msg, size_t len,
 		lsa->l2tp_conn_id = 0;
 		if (ipv6_addr_type(&lsa->l2tp_addr) & IPV6_ADDR_LINKLOCAL)
 			lsa->l2tp_scope_id = inet6_iif(skb);
+		*addr_len = sizeof(*lsa);
 	}
 
 	if (np->rxopt.all)
diff --git a/net/netfilter/nf_nat_masquerade.c b/net/netfilter/nf_nat_masquerade.c
index 86fa4dcc63c5..d85c4d902e7b 100644
--- a/net/netfilter/nf_nat_masquerade.c
+++ b/net/netfilter/nf_nat_masquerade.c
@@ -11,7 +11,8 @@
 #include <net/netfilter/ipv6/nf_nat_masquerade.h>
 
 static DEFINE_MUTEX(masq_mutex);
-static unsigned int masq_refcnt __read_mostly;
+static unsigned int masq_refcnt4 __read_mostly;
+static unsigned int masq_refcnt6 __read_mostly;
 
 unsigned int
 nf_nat_masquerade_ipv4(struct sk_buff *skb, unsigned int hooknum,
@@ -141,8 +142,13 @@ int nf_nat_masquerade_ipv4_register_notifier(void)
 	int ret = 0;
 
 	mutex_lock(&masq_mutex);
+	if (WARN_ON_ONCE(masq_refcnt4 == UINT_MAX)) {
+		ret = -EOVERFLOW;
+		goto out_unlock;
+	}
+
 	/* check if the notifier was already set */
-	if (++masq_refcnt > 1)
+	if (++masq_refcnt4 > 1)
 		goto out_unlock;
 
 	/* Register for device down reports */
@@ -160,7 +166,7 @@ int nf_nat_masquerade_ipv4_register_notifier(void)
 err_unregister:
 	unregister_netdevice_notifier(&masq_dev_notifier);
 err_dec:
-	masq_refcnt--;
+	masq_refcnt4--;
 out_unlock:
 	mutex_unlock(&masq_mutex);
 	return ret;
@@ -171,7 +177,7 @@ void nf_nat_masquerade_ipv4_unregister_notifier(void)
 {
 	mutex_lock(&masq_mutex);
 	/* check if the notifier still has clients */
-	if (--masq_refcnt > 0)
+	if (--masq_refcnt4 > 0)
 		goto out_unlock;
 
 	unregister_netdevice_notifier(&masq_dev_notifier);
@@ -321,25 +327,23 @@ int nf_nat_masquerade_ipv6_register_notifier(void)
 	int ret = 0;
 
 	mutex_lock(&masq_mutex);
-	/* check if the notifier is already set */
-	if (++masq_refcnt > 1)
+	if (WARN_ON_ONCE(masq_refcnt6 == UINT_MAX)) {
+		ret = -EOVERFLOW;
 		goto out_unlock;
+	}
 
-	ret = register_netdevice_notifier(&masq_dev_notifier);
-	if (ret)
-		goto err_dec;
+	/* check if the notifier is already set */
+	if (++masq_refcnt6 > 1)
+		goto out_unlock;
 
 	ret = register_inet6addr_notifier(&masq_inet6_notifier);
 	if (ret)
-		goto err_unregister;
+		goto err_dec;
 
 	mutex_unlock(&masq_mutex);
 	return ret;
-
-err_unregister:
-	unregister_netdevice_notifier(&masq_dev_notifier);
 err_dec:
-	masq_refcnt--;
+	masq_refcnt6--;
 out_unlock:
 	mutex_unlock(&masq_mutex);
 	return ret;
@@ -350,11 +354,10 @@ void nf_nat_masquerade_ipv6_unregister_notifier(void)
 {
 	mutex_lock(&masq_mutex);
 	/* check if the notifier still has clients */
-	if (--masq_refcnt > 0)
+	if (--masq_refcnt6 > 0)
 		goto out_unlock;
 
 	unregister_inet6addr_notifier(&masq_inet6_notifier);
-	unregister_netdevice_notifier(&masq_dev_notifier);
 out_unlock:
 	mutex_unlock(&masq_mutex);
 }
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index faf6bd10a19f..513f93118604 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -142,7 +142,7 @@ static void nft_set_trans_bind(const struct nft_ctx *ctx, struct nft_set *set)
 	list_for_each_entry_reverse(trans, &net->nft.commit_list, list) {
 		if (trans->msg_type == NFT_MSG_NEWSET &&
 		    nft_trans_set(trans) == set) {
-			nft_trans_set_bound(trans) = true;
+			set->bound = true;
 			break;
 		}
 	}
@@ -2162,9 +2162,11 @@ err1:
 static void nf_tables_expr_destroy(const struct nft_ctx *ctx,
 				   struct nft_expr *expr)
 {
+	const struct nft_expr_type *type = expr->ops->type;
+
 	if (expr->ops->destroy)
 		expr->ops->destroy(ctx, expr);
-	module_put(expr->ops->type->owner);
+	module_put(type->owner);
 }
 
 struct nft_expr *nft_expr_init(const struct nft_ctx *ctx,
@@ -3672,6 +3674,9 @@ err1:
 
 static void nft_set_destroy(struct nft_set *set)
 {
+	if (WARN_ON(set->use > 0))
+		return;
+
 	set->ops->destroy(set);
 	module_put(to_set_type(set->ops)->owner);
 	kfree(set->name);
@@ -3712,7 +3717,7 @@ static int nf_tables_delset(struct net *net, struct sock *nlsk,
 		NL_SET_BAD_ATTR(extack, attr);
 		return PTR_ERR(set);
 	}
-	if (!list_empty(&set->bindings) ||
+	if (set->use ||
 	    (nlh->nlmsg_flags & NLM_F_NONREC && atomic_read(&set->nelems) > 0)) {
 		NL_SET_BAD_ATTR(extack, attr);
 		return -EBUSY;
@@ -3742,6 +3747,9 @@ int nf_tables_bind_set(const struct nft_ctx *ctx, struct nft_set *set,
 	struct nft_set_binding *i;
 	struct nft_set_iter iter;
 
+	if (set->use == UINT_MAX)
+		return -EOVERFLOW;
+
 	if (!list_empty(&set->bindings) && nft_set_is_anonymous(set))
 		return -EBUSY;
 
@@ -3769,6 +3777,7 @@ bind:
 	binding->chain = ctx->chain;
 	list_add_tail_rcu(&binding->list, &set->bindings);
 	nft_set_trans_bind(ctx, set);
+	set->use++;
 
 	return 0;
 }
@@ -3788,6 +3797,25 @@ void nf_tables_unbind_set(const struct nft_ctx *ctx, struct nft_set *set,
 }
 EXPORT_SYMBOL_GPL(nf_tables_unbind_set);
 
+void nf_tables_deactivate_set(const struct nft_ctx *ctx, struct nft_set *set,
+			      struct nft_set_binding *binding,
+			      enum nft_trans_phase phase)
+{
+	switch (phase) {
+	case NFT_TRANS_PREPARE:
+		set->use--;
+		return;
+	case NFT_TRANS_ABORT:
+	case NFT_TRANS_RELEASE:
+		set->use--;
+		/* fall through */
+	default:
+		nf_tables_unbind_set(ctx, set, binding,
+				     phase == NFT_TRANS_COMMIT);
+	}
+}
+EXPORT_SYMBOL_GPL(nf_tables_deactivate_set);
+
 void nf_tables_destroy_set(const struct nft_ctx *ctx, struct nft_set *set)
 {
 	if (list_empty(&set->bindings) && nft_set_is_anonymous(set))
@@ -6536,6 +6564,11 @@ static int nf_tables_commit(struct net *net, struct sk_buff *skb)
 	struct nft_chain *chain;
 	struct nft_table *table;
 
+	if (list_empty(&net->nft.commit_list)) {
+		mutex_unlock(&net->nft.commit_mutex);
+		return 0;
+	}
+
 	/* 0. Validate ruleset, otherwise roll back for error reporting. */
 	if (nf_tables_validate(net) < 0)
 		return -EAGAIN;
@@ -6709,8 +6742,7 @@ static void nf_tables_abort_release(struct nft_trans *trans)
 		nf_tables_rule_destroy(&trans->ctx, nft_trans_rule(trans));
 		break;
 	case NFT_MSG_NEWSET:
-		if (!nft_trans_set_bound(trans))
-			nft_set_destroy(nft_trans_set(trans));
+		nft_set_destroy(nft_trans_set(trans));
 		break;
 	case NFT_MSG_NEWSETELEM:
 		nft_set_elem_destroy(nft_trans_elem_set(trans),
@@ -6783,8 +6815,11 @@ static int __nf_tables_abort(struct net *net)
 			break;
 		case NFT_MSG_NEWSET:
 			trans->ctx.table->use--;
-			if (!nft_trans_set_bound(trans))
-				list_del_rcu(&nft_trans_set(trans)->list);
+			if (nft_trans_set(trans)->bound) {
+				nft_trans_destroy(trans);
+				break;
+			}
+			list_del_rcu(&nft_trans_set(trans)->list);
 			break;
 		case NFT_MSG_DELSET:
 			trans->ctx.table->use++;
@@ -6792,8 +6827,11 @@ static int __nf_tables_abort(struct net *net)
 			nft_trans_destroy(trans);
 			break;
 		case NFT_MSG_NEWSETELEM:
+			if (nft_trans_elem_set(trans)->bound) {
+				nft_trans_destroy(trans);
+				break;
+			}
 			te = (struct nft_trans_elem *)trans->data;
-
 			te->set->ops->remove(net, te->set, &te->elem);
 			atomic_dec(&te->set->nelems);
 			break;
diff --git a/net/netfilter/nft_dynset.c b/net/netfilter/nft_dynset.c
index a8a74a16f9c4..e461007558e8 100644
--- a/net/netfilter/nft_dynset.c
+++ b/net/netfilter/nft_dynset.c
@@ -240,11 +240,15 @@ static void nft_dynset_deactivate(const struct nft_ctx *ctx,
 {
 	struct nft_dynset *priv = nft_expr_priv(expr);
 
-	if (phase == NFT_TRANS_PREPARE)
-		return;
+	nf_tables_deactivate_set(ctx, priv->set, &priv->binding, phase);
+}
+
+static void nft_dynset_activate(const struct nft_ctx *ctx,
+				const struct nft_expr *expr)
+{
+	struct nft_dynset *priv = nft_expr_priv(expr);
 
-	nf_tables_unbind_set(ctx, priv->set, &priv->binding,
-			     phase == NFT_TRANS_COMMIT);
+	priv->set->use++;
 }
 
 static void nft_dynset_destroy(const struct nft_ctx *ctx,
@@ -292,6 +296,7 @@ static const struct nft_expr_ops nft_dynset_ops = {
 	.eval		= nft_dynset_eval,
 	.init		= nft_dynset_init,
 	.destroy	= nft_dynset_destroy,
+	.activate	= nft_dynset_activate,
 	.deactivate	= nft_dynset_deactivate,
 	.dump		= nft_dynset_dump,
 };
diff --git a/net/netfilter/nft_lookup.c b/net/netfilter/nft_lookup.c
index 14496da5141d..161c3451a747 100644
--- a/net/netfilter/nft_lookup.c
+++ b/net/netfilter/nft_lookup.c
@@ -127,11 +127,15 @@ static void nft_lookup_deactivate(const struct nft_ctx *ctx,
 {
 	struct nft_lookup *priv = nft_expr_priv(expr);
 
-	if (phase == NFT_TRANS_PREPARE)
-		return;
+	nf_tables_deactivate_set(ctx, priv->set, &priv->binding, phase);
+}
+
+static void nft_lookup_activate(const struct nft_ctx *ctx,
+				const struct nft_expr *expr)
+{
+	struct nft_lookup *priv = nft_expr_priv(expr);
 
-	nf_tables_unbind_set(ctx, priv->set, &priv->binding,
-			     phase == NFT_TRANS_COMMIT);
+	priv->set->use++;
 }
 
 static void nft_lookup_destroy(const struct nft_ctx *ctx,
@@ -222,6 +226,7 @@ static const struct nft_expr_ops nft_lookup_ops = {
 	.size		= NFT_EXPR_SIZE(sizeof(struct nft_lookup)),
 	.eval		= nft_lookup_eval,
 	.init		= nft_lookup_init,
+	.activate	= nft_lookup_activate,
 	.deactivate	= nft_lookup_deactivate,
 	.destroy	= nft_lookup_destroy,
 	.dump		= nft_lookup_dump,
diff --git a/net/netfilter/nft_objref.c b/net/netfilter/nft_objref.c
index 79ef074c18ca..457a9ceb46af 100644
--- a/net/netfilter/nft_objref.c
+++ b/net/netfilter/nft_objref.c
@@ -162,11 +162,15 @@ static void nft_objref_map_deactivate(const struct nft_ctx *ctx,
 {
 	struct nft_objref_map *priv = nft_expr_priv(expr);
 
-	if (phase == NFT_TRANS_PREPARE)
-		return;
+	nf_tables_deactivate_set(ctx, priv->set, &priv->binding, phase);
+}
+
+static void nft_objref_map_activate(const struct nft_ctx *ctx,
+				    const struct nft_expr *expr)
+{
+	struct nft_objref_map *priv = nft_expr_priv(expr);
 
-	nf_tables_unbind_set(ctx, priv->set, &priv->binding,
-			     phase == NFT_TRANS_COMMIT);
+	priv->set->use++;
 }
 
 static void nft_objref_map_destroy(const struct nft_ctx *ctx,
@@ -183,6 +187,7 @@ static const struct nft_expr_ops nft_objref_map_ops = {
 	.size		= NFT_EXPR_SIZE(sizeof(struct nft_objref_map)),
 	.eval		= nft_objref_map_eval,
 	.init		= nft_objref_map_init,
+	.activate	= nft_objref_map_activate,
 	.deactivate	= nft_objref_map_deactivate,
 	.destroy	= nft_objref_map_destroy,
 	.dump		= nft_objref_map_dump,
diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c
index 2c2aac4ac721..dc10525e90e7 100644
--- a/net/sched/cls_api.c
+++ b/net/sched/cls_api.c
@@ -1893,6 +1893,7 @@ static int tfilter_notify(struct net *net, struct sk_buff *oskb,
 {
 	struct sk_buff *skb;
 	u32 portid = oskb ? NETLINK_CB(oskb).portid : 0;
+	int err = 0;
 
 	skb = alloc_skb(NLMSG_GOODSIZE, GFP_KERNEL);
 	if (!skb)
@@ -1906,10 +1907,14 @@ static int tfilter_notify(struct net *net, struct sk_buff *oskb,
 	}
 
 	if (unicast)
-		return netlink_unicast(net->rtnl, skb, portid, MSG_DONTWAIT);
+		err = netlink_unicast(net->rtnl, skb, portid, MSG_DONTWAIT);
+	else
+		err = rtnetlink_send(skb, net, portid, RTNLGRP_TC,
+				     n->nlmsg_flags & NLM_F_ECHO);
 
-	return rtnetlink_send(skb, net, portid, RTNLGRP_TC,
-			      n->nlmsg_flags & NLM_F_ECHO);
+	if (err > 0)
+		err = 0;
+	return err;
 }
 
 static int tfilter_del_notify(struct net *net, struct sk_buff *oskb,
@@ -1941,12 +1946,15 @@ static int tfilter_del_notify(struct net *net, struct sk_buff *oskb,
 	}
 
 	if (unicast)
-		return netlink_unicast(net->rtnl, skb, portid, MSG_DONTWAIT);
-
-	err = rtnetlink_send(skb, net, portid, RTNLGRP_TC,
-			     n->nlmsg_flags & NLM_F_ECHO);
+		err = netlink_unicast(net->rtnl, skb, portid, MSG_DONTWAIT);
+	else
+		err = rtnetlink_send(skb, net, portid, RTNLGRP_TC,
+				     n->nlmsg_flags & NLM_F_ECHO);
 	if (err < 0)
 		NL_SET_ERR_MSG(extack, "Failed to send filter delete notification");
+
+	if (err > 0)
+		err = 0;
 	return err;
 }
 
@@ -2688,6 +2696,7 @@ static int tc_chain_notify(struct tcf_chain *chain, struct sk_buff *oskb,
 	struct tcf_block *block = chain->block;
 	struct net *net = block->net;
 	struct sk_buff *skb;
+	int err = 0;
 
 	skb = alloc_skb(NLMSG_GOODSIZE, GFP_KERNEL);
 	if (!skb)
@@ -2701,9 +2710,14 @@ static int tc_chain_notify(struct tcf_chain *chain, struct sk_buff *oskb,
 	}
 
 	if (unicast)
-		return netlink_unicast(net->rtnl, skb, portid, MSG_DONTWAIT);
+		err = netlink_unicast(net->rtnl, skb, portid, MSG_DONTWAIT);
+	else
+		err = rtnetlink_send(skb, net, portid, RTNLGRP_TC,
+				     flags & NLM_F_ECHO);
 
-	return rtnetlink_send(skb, net, portid, RTNLGRP_TC, flags & NLM_F_ECHO);
+	if (err > 0)
+		err = 0;
+	return err;
 }
 
 static int tc_chain_notify_delete(const struct tcf_proto_ops *tmplt_ops,
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index 352b46f98440..fb8f138b9776 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -1824,6 +1824,7 @@ static int tclass_notify(struct net *net, struct sk_buff *oskb,
 {
 	struct sk_buff *skb;
 	u32 portid = oskb ? NETLINK_CB(oskb).portid : 0;
+	int err = 0;
 
 	skb = alloc_skb(NLMSG_GOODSIZE, GFP_KERNEL);
 	if (!skb)
@@ -1834,8 +1835,11 @@ static int tclass_notify(struct net *net, struct sk_buff *oskb,
 		return -EINVAL;
 	}
 
-	return rtnetlink_send(skb, net, portid, RTNLGRP_TC,
-			      n->nlmsg_flags & NLM_F_ECHO);
+	err = rtnetlink_send(skb, net, portid, RTNLGRP_TC,
+			     n->nlmsg_flags & NLM_F_ECHO);
+	if (err > 0)
+		err = 0;
+	return err;
 }
 
 static int tclass_del_notify(struct net *net,
@@ -1866,8 +1870,11 @@ static int tclass_del_notify(struct net *net,
 		return err;
 	}
 
-	return rtnetlink_send(skb, net, portid, RTNLGRP_TC,
-			      n->nlmsg_flags & NLM_F_ECHO);
+	err = rtnetlink_send(skb, net, portid, RTNLGRP_TC,
+			     n->nlmsg_flags & NLM_F_ECHO);
+	if (err > 0)
+		err = 0;
+	return err;
 }
 
 #ifdef CONFIG_NET_CLS
diff --git a/net/tls/tls_device.c b/net/tls/tls_device.c
index 4a1da837a733..135a7ee9db03 100644
--- a/net/tls/tls_device.c
+++ b/net/tls/tls_device.c
@@ -558,9 +558,6 @@ void tls_device_write_space(struct sock *sk, struct tls_context *ctx)
 					     MSG_DONTWAIT | MSG_NOSIGNAL);
 		sk->sk_allocation = sk_allocation;
 	}
-
-	if (!rc)
-		ctx->sk_write_space(sk);
 }
 
 void handle_device_resync(struct sock *sk, u32 seq, u64 rcd_sn)
diff --git a/net/tls/tls_main.c b/net/tls/tls_main.c
index 17e8667917aa..df921a2904b9 100644
--- a/net/tls/tls_main.c
+++ b/net/tls/tls_main.c
@@ -146,7 +146,6 @@ retry:
 	}
 
 	ctx->in_tcp_sendpages = false;
-	ctx->sk_write_space(sk);
 
 	return 0;
 }
@@ -228,6 +227,8 @@ static void tls_write_space(struct sock *sk)
 	else
 #endif
 		tls_sw_write_space(sk, ctx);
+
+	ctx->sk_write_space(sk);
 }
 
 static void tls_ctx_free(struct tls_context *ctx)
diff --git a/net/x25/af_x25.c b/net/x25/af_x25.c
index 27171ac6fe3b..20a511398389 100644
--- a/net/x25/af_x25.c
+++ b/net/x25/af_x25.c
@@ -825,6 +825,7 @@ out_put_neigh:
 		x25_neigh_put(x25->neighbour);
 		x25->neighbour = NULL;
 		read_unlock_bh(&x25_list_lock);
+		x25->state = X25_STATE_0;
 	}
 out_put_route:
 	x25_route_put(rt);