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

8 files changed, 47 insertions, 15 deletions

diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 0ef2ed3a610e..06e2d01f0b4e 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -979,7 +979,6 @@ static void bond_poll_controller(struct net_device *bond_dev)
 		if (bond_3ad_get_active_agg_info(bond, &ad_info))
 			return;
 
-	rcu_read_lock_bh();
 	bond_for_each_slave_rcu(bond, slave, iter) {
 		ops = slave->dev->netdev_ops;
 		if (!bond_slave_is_up(slave) || !ops->ndo_poll_controller)
@@ -1000,7 +999,6 @@ static void bond_poll_controller(struct net_device *bond_dev)
 		ops->ndo_poll_controller(slave->dev);
 		up(&ni->dev_lock);
 	}
-	rcu_read_unlock_bh();
 }
 
 static void bond_netpoll_cleanup(struct net_device *bond_dev)
diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c
index 3d972d819420..450899e9cea2 100644
--- a/drivers/net/ethernet/renesas/ravb_main.c
+++ b/drivers/net/ethernet/renesas/ravb_main.c
@@ -1659,7 +1659,7 @@ static int ravb_probe(struct platform_device *pdev)
 	ndev->dma = -1;
 	irq = platform_get_irq(pdev, 0);
 	if (irq < 0) {
-		error = -ENODEV;
+		error = irq;
 		goto out_release;
 	}
 	ndev->irq = irq;
diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c
index 7fb244f565b2..257ea713b4c1 100644
--- a/drivers/net/ethernet/renesas/sh_eth.c
+++ b/drivers/net/ethernet/renesas/sh_eth.c
@@ -3089,10 +3089,8 @@ static int sh_eth_drv_probe(struct platform_device *pdev)
 
 	ndev->dma = -1;
 	ret = platform_get_irq(pdev, 0);
-	if (ret < 0) {
-		ret = -ENODEV;
+	if (ret < 0)
 		goto out_release;
-	}
 	ndev->irq = ret;
 
 	SET_NETDEV_DEV(ndev, &pdev->dev);
diff --git a/drivers/net/ethernet/smsc/smsc911x.c b/drivers/net/ethernet/smsc/smsc911x.c
index c8b26259c9cf..3b4cd8a263de 100644
--- a/drivers/net/ethernet/smsc/smsc911x.c
+++ b/drivers/net/ethernet/smsc/smsc911x.c
@@ -2428,7 +2428,10 @@ static int smsc911x_drv_probe(struct platform_device *pdev)
 	res_size = resource_size(res);
 
 	irq = platform_get_irq(pdev, 0);
-	if (irq <= 0) {
+	if (irq == -EPROBE_DEFER) {
+		retval = -EPROBE_DEFER;
+		goto out_0;
+	} else if (irq <= 0) {
 		pr_warn("Could not allocate irq resource\n");
 		retval = -ENODEV;
 		goto out_0;
diff --git a/include/uapi/linux/netlink.h b/include/uapi/linux/netlink.h
index cf6a65cccbdf..6f3fe16cd22a 100644
--- a/include/uapi/linux/netlink.h
+++ b/include/uapi/linux/netlink.h
@@ -110,6 +110,7 @@ struct nlmsgerr {
 #define NETLINK_TX_RING			7
 #define NETLINK_LISTEN_ALL_NSID		8
 #define NETLINK_LIST_MEMBERSHIPS	9
+#define NETLINK_CAP_ACK			10
 
 struct nl_pktinfo {
 	__u32	group;
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index a774985489e2..7965ca7c461d 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -84,6 +84,7 @@ struct listeners {
 #define NETLINK_F_BROADCAST_SEND_ERROR	0x4
 #define NETLINK_F_RECV_NO_ENOBUFS	0x8
 #define NETLINK_F_LISTEN_ALL_NSID	0x10
+#define NETLINK_F_CAP_ACK		0x20
 
 static inline int netlink_is_kernel(struct sock *sk)
 {
@@ -610,11 +611,11 @@ static void netlink_increment_head(struct netlink_ring *ring)
 
 static void netlink_forward_ring(struct netlink_ring *ring)
 {
-	unsigned int head = ring->head, pos = head;
+	unsigned int head = ring->head;
 	const struct nl_mmap_hdr *hdr;
 
 	do {
-		hdr = __netlink_lookup_frame(ring, pos);
+		hdr = __netlink_lookup_frame(ring, ring->head);
 		if (hdr->nm_status == NL_MMAP_STATUS_UNUSED)
 			break;
 		if (hdr->nm_status != NL_MMAP_STATUS_SKIP)
@@ -2258,6 +2259,13 @@ static int netlink_setsockopt(struct socket *sock, int level, int optname,
 			nlk->flags &= ~NETLINK_F_LISTEN_ALL_NSID;
 		err = 0;
 		break;
+	case NETLINK_CAP_ACK:
+		if (val)
+			nlk->flags |= NETLINK_F_CAP_ACK;
+		else
+			nlk->flags &= ~NETLINK_F_CAP_ACK;
+		err = 0;
+		break;
 	default:
 		err = -ENOPROTOOPT;
 	}
@@ -2332,6 +2340,16 @@ static int netlink_getsockopt(struct socket *sock, int level, int optname,
 		netlink_table_ungrab();
 		break;
 	}
+	case NETLINK_CAP_ACK:
+		if (len < sizeof(int))
+			return -EINVAL;
+		len = sizeof(int);
+		val = nlk->flags & NETLINK_F_CAP_ACK ? 1 : 0;
+		if (put_user(len, optlen) ||
+		    put_user(val, optval))
+			return -EFAULT;
+		err = 0;
+		break;
 	default:
 		err = -ENOPROTOOPT;
 	}
@@ -2873,9 +2891,12 @@ void netlink_ack(struct sk_buff *in_skb, struct nlmsghdr *nlh, int err)
 	struct nlmsghdr *rep;
 	struct nlmsgerr *errmsg;
 	size_t payload = sizeof(*errmsg);
+	struct netlink_sock *nlk = nlk_sk(NETLINK_CB(in_skb).sk);
 
-	/* error messages get the original request appened */
-	if (err)
+	/* Error messages get the original request appened, unless the user
+	 * requests to cap the error message.
+	 */
+	if (!(nlk->flags & NETLINK_F_CAP_ACK) && err)
 		payload += nlmsg_len(nlh);
 
 	skb = netlink_alloc_skb(in_skb->sk, nlmsg_total_size(payload),
@@ -2898,7 +2919,7 @@ void netlink_ack(struct sk_buff *in_skb, struct nlmsghdr *nlh, int err)
 			  NLMSG_ERROR, payload, 0);
 	errmsg = nlmsg_data(rep);
 	errmsg->error = err;
-	memcpy(&errmsg->msg, nlh, err ? nlh->nlmsg_len : sizeof(*nlh));
+	memcpy(&errmsg->msg, nlh, payload > sizeof(*errmsg) ? nlh->nlmsg_len : sizeof(*nlh));
 	netlink_unicast(in_skb->sk, skb, NETLINK_CB(in_skb).portid, MSG_DONTWAIT);
 }
 EXPORT_SYMBOL(netlink_ack);
diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c
index a655ddc3f353..7954c52e1794 100644
--- a/net/sctp/sm_make_chunk.c
+++ b/net/sctp/sm_make_chunk.c
@@ -3090,8 +3090,19 @@ static __be16 sctp_process_asconf_param(struct sctp_association *asoc,
 			sctp_assoc_set_primary(asoc, asconf->transport);
 			sctp_assoc_del_nonprimary_peers(asoc,
 							asconf->transport);
-		} else
-			sctp_assoc_del_peer(asoc, &addr);
+			return SCTP_ERROR_NO_ERROR;
+		}
+
+		/* If the address is not part of the association, the
+		 * ASCONF-ACK with Error Cause Indication Parameter
+		 * which including cause of Unresolvable Address should
+		 * be sent.
+		 */
+		peer = sctp_assoc_lookup_paddr(asoc, &addr);
+		if (!peer)
+			return SCTP_ERROR_DNS_FAILED;
+
+		sctp_assoc_rm_peer(asoc, peer);
 		break;
 	case SCTP_PARAM_SET_PRIMARY:
 		/* ADDIP Section 4.2.4
diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c
index 85e6f03aeb70..35df1266bf07 100644
--- a/net/sctp/sm_sideeffect.c
+++ b/net/sctp/sm_sideeffect.c
@@ -954,7 +954,7 @@ static void sctp_cmd_del_non_primary(struct sctp_association *asoc)
 		t = list_entry(pos, struct sctp_transport, transports);
 		if (!sctp_cmp_addr_exact(&t->ipaddr,
 					 &asoc->peer.primary_addr)) {
-			sctp_assoc_del_peer(asoc, &t->ipaddr);
+			sctp_assoc_rm_peer(asoc, t);
 		}
 	}
 }