Merge tag 'asoc-v3.9-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus

ASoC: Updates for v3.9

A few updates, more than I'd like, fixing some relatively small issues
but mostly driver specific ones.  Nothing wildly exciting so if it
doesn't make v3.9 it won't be the end of the world but it'd be nice.

10 files changed, 55 insertions, 39 deletions

diff --git a/net/netfilter/ipvs/ip_vs_core.c b/net/netfilter/ipvs/ip_vs_core.c
index 47edf5a40a5..61f49d24171 100644
--- a/net/netfilter/ipvs/ip_vs_core.c
+++ b/net/netfilter/ipvs/ip_vs_core.c
@@ -1394,10 +1394,8 @@ ip_vs_in_icmp(struct sk_buff *skb, int *related, unsigned int hooknum)
 			skb_reset_network_header(skb);
 			IP_VS_DBG(12, "ICMP for IPIP %pI4->%pI4: mtu=%u\n",
 				&ip_hdr(skb)->saddr, &ip_hdr(skb)->daddr, mtu);
-			rcu_read_lock();
 			ipv4_update_pmtu(skb, dev_net(skb->dev),
 					 mtu, 0, 0, 0, 0);
-			rcu_read_unlock();
 			/* Client uses PMTUD? */
 			if (!(cih->frag_off & htons(IP_DF)))
 				goto ignore_ipip;
@@ -1577,7 +1575,8 @@ ip_vs_in(unsigned int hooknum, struct sk_buff *skb, int af)
 	}
 	/* ipvs enabled in this netns ? */
 	net = skb_net(skb);
-	if (!net_ipvs(net)->enable)
+	ipvs = net_ipvs(net);
+	if (unlikely(sysctl_backup_only(ipvs) || !ipvs->enable))
 		return NF_ACCEPT;
 
 	ip_vs_fill_iph_skb(af, skb, &iph);
@@ -1654,7 +1653,6 @@ ip_vs_in(unsigned int hooknum, struct sk_buff *skb, int af)
 	}
 
 	IP_VS_DBG_PKT(11, af, pp, skb, 0, "Incoming packet");
-	ipvs = net_ipvs(net);
 	/* Check the server status */
 	if (cp->dest && !(cp->dest->flags & IP_VS_DEST_F_AVAILABLE)) {
 		/* the destination server is not available */
@@ -1815,13 +1813,15 @@ ip_vs_forward_icmp(unsigned int hooknum, struct sk_buff *skb,
 {
 	int r;
 	struct net *net;
+	struct netns_ipvs *ipvs;
 
 	if (ip_hdr(skb)->protocol != IPPROTO_ICMP)
 		return NF_ACCEPT;
 
 	/* ipvs enabled in this netns ? */
 	net = skb_net(skb);
-	if (!net_ipvs(net)->enable)
+	ipvs = net_ipvs(net);
+	if (unlikely(sysctl_backup_only(ipvs) || !ipvs->enable))
 		return NF_ACCEPT;
 
 	return ip_vs_in_icmp(skb, &r, hooknum);
@@ -1835,6 +1835,7 @@ ip_vs_forward_icmp_v6(unsigned int hooknum, struct sk_buff *skb,
 {
 	int r;
 	struct net *net;
+	struct netns_ipvs *ipvs;
 	struct ip_vs_iphdr iphdr;
 
 	ip_vs_fill_iph_skb(AF_INET6, skb, &iphdr);
@@ -1843,7 +1844,8 @@ ip_vs_forward_icmp_v6(unsigned int hooknum, struct sk_buff *skb,
 
 	/* ipvs enabled in this netns ? */
 	net = skb_net(skb);
-	if (!net_ipvs(net)->enable)
+	ipvs = net_ipvs(net);
+	if (unlikely(sysctl_backup_only(ipvs) || !ipvs->enable))
 		return NF_ACCEPT;
 
 	return ip_vs_in_icmp_v6(skb, &r, hooknum, &iphdr);
diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c
index c68198bf912..9e2d1cccd1e 100644
--- a/net/netfilter/ipvs/ip_vs_ctl.c
+++ b/net/netfilter/ipvs/ip_vs_ctl.c
@@ -1808,6 +1808,12 @@ static struct ctl_table vs_vars[] = {
 		.mode		= 0644,
 		.proc_handler	= proc_dointvec,
 	},
+	{
+		.procname	= "backup_only",
+		.maxlen		= sizeof(int),
+		.mode		= 0644,
+		.proc_handler	= proc_dointvec,
+	},
 #ifdef CONFIG_IP_VS_DEBUG
 	{
 		.procname	= "debug_level",
@@ -3741,6 +3747,7 @@ static int __net_init ip_vs_control_net_init_sysctl(struct net *net)
 	tbl[idx++].data = &ipvs->sysctl_nat_icmp_send;
 	ipvs->sysctl_pmtu_disc = 1;
 	tbl[idx++].data = &ipvs->sysctl_pmtu_disc;
+	tbl[idx++].data = &ipvs->sysctl_backup_only;
 
 
 	ipvs->sysctl_hdr = register_net_sysctl(net, "net/ipv4/vs", tbl);
diff --git a/net/netfilter/ipvs/ip_vs_proto_sctp.c b/net/netfilter/ipvs/ip_vs_proto_sctp.c
index ae8ec6f2768..cd1d7298f7b 100644
--- a/net/netfilter/ipvs/ip_vs_proto_sctp.c
+++ b/net/netfilter/ipvs/ip_vs_proto_sctp.c
@@ -906,7 +906,7 @@ set_sctp_state(struct ip_vs_proto_data *pd, struct ip_vs_conn *cp,
 	sctp_chunkhdr_t _sctpch, *sch;
 	unsigned char chunk_type;
 	int event, next_state;
-	int ihl;
+	int ihl, cofs;
 
 #ifdef CONFIG_IP_VS_IPV6
 	ihl = cp->af == AF_INET ? ip_hdrlen(skb) : sizeof(struct ipv6hdr);
@@ -914,8 +914,8 @@ set_sctp_state(struct ip_vs_proto_data *pd, struct ip_vs_conn *cp,
 	ihl = ip_hdrlen(skb);
 #endif
 
-	sch = skb_header_pointer(skb, ihl + sizeof(sctp_sctphdr_t),
-				sizeof(_sctpch), &_sctpch);
+	cofs = ihl + sizeof(sctp_sctphdr_t);
+	sch = skb_header_pointer(skb, cofs, sizeof(_sctpch), &_sctpch);
 	if (sch == NULL)
 		return;
 
@@ -933,10 +933,12 @@ set_sctp_state(struct ip_vs_proto_data *pd, struct ip_vs_conn *cp,
 	 */
 	if ((sch->type == SCTP_CID_COOKIE_ECHO) ||
 	    (sch->type == SCTP_CID_COOKIE_ACK)) {
-		sch = skb_header_pointer(skb, (ihl + sizeof(sctp_sctphdr_t) +
-				sch->length), sizeof(_sctpch), &_sctpch);
-		if (sch) {
-			if (sch->type == SCTP_CID_ABORT)
+		int clen = ntohs(sch->length);
+
+		if (clen >= sizeof(sctp_chunkhdr_t)) {
+			sch = skb_header_pointer(skb, cofs + ALIGN(clen, 4),
+						 sizeof(_sctpch), &_sctpch);
+			if (sch && sch->type == SCTP_CID_ABORT)
 				chunk_type = sch->type;
 		}
 	}
diff --git a/net/netfilter/nf_conntrack_proto_dccp.c b/net/netfilter/nf_conntrack_proto_dccp.c
index 432f9578000..ba65b2041eb 100644
--- a/net/netfilter/nf_conntrack_proto_dccp.c
+++ b/net/netfilter/nf_conntrack_proto_dccp.c
@@ -969,6 +969,10 @@ static int __init nf_conntrack_proto_dccp_init(void)
 {
 	int ret;
 
+	ret = register_pernet_subsys(&dccp_net_ops);
+	if (ret < 0)
+		goto out_pernet;
+
 	ret = nf_ct_l4proto_register(&dccp_proto4);
 	if (ret < 0)
 		goto out_dccp4;
@@ -977,16 +981,12 @@ static int __init nf_conntrack_proto_dccp_init(void)
 	if (ret < 0)
 		goto out_dccp6;
 
-	ret = register_pernet_subsys(&dccp_net_ops);
-	if (ret < 0)
-		goto out_pernet;
-
 	return 0;
-out_pernet:
-	nf_ct_l4proto_unregister(&dccp_proto6);
 out_dccp6:
 	nf_ct_l4proto_unregister(&dccp_proto4);
 out_dccp4:
+	unregister_pernet_subsys(&dccp_net_ops);
+out_pernet:
 	return ret;
 }
 
diff --git a/net/netfilter/nf_conntrack_proto_gre.c b/net/netfilter/nf_conntrack_proto_gre.c
index bd7d01d9c7e..155ce9f8a0d 100644
--- a/net/netfilter/nf_conntrack_proto_gre.c
+++ b/net/netfilter/nf_conntrack_proto_gre.c
@@ -420,18 +420,18 @@ static int __init nf_ct_proto_gre_init(void)
 {
 	int ret;
 
-	ret = nf_ct_l4proto_register(&nf_conntrack_l4proto_gre4);
-	if (ret < 0)
-		goto out_gre4;
-
 	ret = register_pernet_subsys(&proto_gre_net_ops);
 	if (ret < 0)
 		goto out_pernet;
 
+	ret = nf_ct_l4proto_register(&nf_conntrack_l4proto_gre4);
+	if (ret < 0)
+		goto out_gre4;
+
 	return 0;
-out_pernet:
-	nf_ct_l4proto_unregister(&nf_conntrack_l4proto_gre4);
 out_gre4:
+	unregister_pernet_subsys(&proto_gre_net_ops);
+out_pernet:
 	return ret;
 }
 
diff --git a/net/netfilter/nf_conntrack_proto_sctp.c b/net/netfilter/nf_conntrack_proto_sctp.c
index 480f616d593..ec83536def9 100644
--- a/net/netfilter/nf_conntrack_proto_sctp.c
+++ b/net/netfilter/nf_conntrack_proto_sctp.c
@@ -888,6 +888,10 @@ static int __init nf_conntrack_proto_sctp_init(void)
 {
 	int ret;
 
+	ret = register_pernet_subsys(&sctp_net_ops);
+	if (ret < 0)
+		goto out_pernet;
+
 	ret = nf_ct_l4proto_register(&nf_conntrack_l4proto_sctp4);
 	if (ret < 0)
 		goto out_sctp4;
@@ -896,16 +900,12 @@ static int __init nf_conntrack_proto_sctp_init(void)
 	if (ret < 0)
 		goto out_sctp6;
 
-	ret = register_pernet_subsys(&sctp_net_ops);
-	if (ret < 0)
-		goto out_pernet;
-
 	return 0;
-out_pernet:
-	nf_ct_l4proto_unregister(&nf_conntrack_l4proto_sctp6);
 out_sctp6:
 	nf_ct_l4proto_unregister(&nf_conntrack_l4proto_sctp4);
 out_sctp4:
+	unregister_pernet_subsys(&sctp_net_ops);
+out_pernet:
 	return ret;
 }
 
diff --git a/net/netfilter/nf_conntrack_proto_udplite.c b/net/netfilter/nf_conntrack_proto_udplite.c
index 157489581c3..ca969f6273f 100644
--- a/net/netfilter/nf_conntrack_proto_udplite.c
+++ b/net/netfilter/nf_conntrack_proto_udplite.c
@@ -371,6 +371,10 @@ static int __init nf_conntrack_proto_udplite_init(void)
 {
 	int ret;
 
+	ret = register_pernet_subsys(&udplite_net_ops);
+	if (ret < 0)
+		goto out_pernet;
+
 	ret = nf_ct_l4proto_register(&nf_conntrack_l4proto_udplite4);
 	if (ret < 0)
 		goto out_udplite4;
@@ -379,16 +383,12 @@ static int __init nf_conntrack_proto_udplite_init(void)
 	if (ret < 0)
 		goto out_udplite6;
 
-	ret = register_pernet_subsys(&udplite_net_ops);
-	if (ret < 0)
-		goto out_pernet;
-
 	return 0;
-out_pernet:
-	nf_ct_l4proto_unregister(&nf_conntrack_l4proto_udplite6);
 out_udplite6:
 	nf_ct_l4proto_unregister(&nf_conntrack_l4proto_udplite4);
 out_udplite4:
+	unregister_pernet_subsys(&udplite_net_ops);
+out_pernet:
 	return ret;
 }
 
diff --git a/net/netfilter/nf_conntrack_standalone.c b/net/netfilter/nf_conntrack_standalone.c
index 6bcce401fd1..fedee394366 100644
--- a/net/netfilter/nf_conntrack_standalone.c
+++ b/net/netfilter/nf_conntrack_standalone.c
@@ -568,6 +568,7 @@ static int __init nf_conntrack_standalone_init(void)
 		register_net_sysctl(&init_net, "net", nf_ct_netfilter_table);
 	if (!nf_ct_netfilter_header) {
 		pr_err("nf_conntrack: can't register to sysctl.\n");
+		ret = -ENOMEM;
 		goto out_sysctl;
 	}
 #endif
diff --git a/net/netfilter/nfnetlink_acct.c b/net/netfilter/nfnetlink_acct.c
index 589d686f0b4..dc3fd5d4446 100644
--- a/net/netfilter/nfnetlink_acct.c
+++ b/net/netfilter/nfnetlink_acct.c
@@ -49,6 +49,8 @@ nfnl_acct_new(struct sock *nfnl, struct sk_buff *skb,
 		return -EINVAL;
 
 	acct_name = nla_data(tb[NFACCT_NAME]);
+	if (strlen(acct_name) == 0)
+		return -EINVAL;
 
 	list_for_each_entry(nfacct, &nfnl_acct_list, head) {
 		if (strncmp(nfacct->name, acct_name, NFACCT_NAME_MAX) != 0)
diff --git a/net/netfilter/nfnetlink_queue_core.c b/net/netfilter/nfnetlink_queue_core.c
index 858fd52c104..42680b2baa1 100644
--- a/net/netfilter/nfnetlink_queue_core.c
+++ b/net/netfilter/nfnetlink_queue_core.c
@@ -112,7 +112,7 @@ instance_create(u_int16_t queue_num, int portid)
 	inst->queue_num = queue_num;
 	inst->peer_portid = portid;
 	inst->queue_maxlen = NFQNL_QMAX_DEFAULT;
-	inst->copy_range = 0xfffff;
+	inst->copy_range = 0xffff;
 	inst->copy_mode = NFQNL_COPY_NONE;
 	spin_lock_init(&inst->lock);
 	INIT_LIST_HEAD(&inst->queue_list);
@@ -1062,8 +1062,10 @@ static int __init nfnetlink_queue_init(void)
 
 #ifdef CONFIG_PROC_FS
 	if (!proc_create("nfnetlink_queue", 0440,
-			 proc_net_netfilter, &nfqnl_file_ops))
+			 proc_net_netfilter, &nfqnl_file_ops)) {
+		status = -ENOMEM;
 		goto cleanup_subsys;
+	}
 #endif
 
 	register_netdevice_notifier(&nfqnl_dev_notifier);