Merge commit '8700c95adb03' into timers/nohz

The full dynticks tree needs the latest RCU and sched
upstream updates in order to fix some dependencies.

Merge a common upstream merge point that has these
updates.

Conflicts:
	include/linux/perf_event.h
	kernel/rcutree.h
	kernel/rcutree_plugin.h

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>

9 files changed, 17 insertions, 7 deletions

diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c
index d5f1d3fd4b28..314c73ed418f 100644
--- a/net/bridge/br_device.c
+++ b/net/bridge/br_device.c
@@ -66,7 +66,7 @@ netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev)
 			goto out;
 		}
 
-		mdst = br_mdb_get(br, skb);
+		mdst = br_mdb_get(br, skb, vid);
 		if (mdst || BR_INPUT_SKB_CB_MROUTERS_ONLY(skb))
 			br_multicast_deliver(mdst, skb);
 		else
diff --git a/net/bridge/br_fdb.c b/net/bridge/br_fdb.c
index b0812c91c0f0..bab338e6270d 100644
--- a/net/bridge/br_fdb.c
+++ b/net/bridge/br_fdb.c
@@ -423,7 +423,7 @@ static int fdb_insert(struct net_bridge *br, struct net_bridge_port *source,
 			return 0;
 		br_warn(br, "adding interface %s with same address "
 		       "as a received packet\n",
-		       source->dev->name);
+		       source ? source->dev->name : br->dev->name);
 		fdb_delete(br, fdb);
 	}
 
diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c
index ef1b91431c6b..459dab22b3f6 100644
--- a/net/bridge/br_if.c
+++ b/net/bridge/br_if.c
@@ -67,7 +67,8 @@ void br_port_carrier_check(struct net_bridge_port *p)
 	struct net_device *dev = p->dev;
 	struct net_bridge *br = p->br;
 
-	if (netif_running(dev) && netif_oper_up(dev))
+	if (!(p->flags & BR_ADMIN_COST) &&
+	    netif_running(dev) && netif_oper_up(dev))
 		p->path_cost = port_cost(dev);
 
 	if (!netif_running(br->dev))
diff --git a/net/bridge/br_input.c b/net/bridge/br_input.c
index 480330151898..828e2bcc1f52 100644
--- a/net/bridge/br_input.c
+++ b/net/bridge/br_input.c
@@ -97,7 +97,7 @@ int br_handle_frame_finish(struct sk_buff *skb)
 	if (is_broadcast_ether_addr(dest))
 		skb2 = skb;
 	else if (is_multicast_ether_addr(dest)) {
-		mdst = br_mdb_get(br, skb);
+		mdst = br_mdb_get(br, skb, vid);
 		if (mdst || BR_INPUT_SKB_CB_MROUTERS_ONLY(skb)) {
 			if ((mdst && mdst->mglist) ||
 			    br_multicast_is_router(br))
diff --git a/net/bridge/br_mdb.c b/net/bridge/br_mdb.c
index 9f97b850fc65..ee79f3f20383 100644
--- a/net/bridge/br_mdb.c
+++ b/net/bridge/br_mdb.c
@@ -80,6 +80,7 @@ static int br_mdb_fill_info(struct sk_buff *skb, struct netlink_callback *cb,
 				port = p->port;
 				if (port) {
 					struct br_mdb_entry e;
+					memset(&e, 0, sizeof(e));
 					e.ifindex = port->dev->ifindex;
 					e.state = p->state;
 					if (p->addr.proto == htons(ETH_P_IP))
@@ -136,6 +137,7 @@ static int br_mdb_dump(struct sk_buff *skb, struct netlink_callback *cb)
 				break;
 
 			bpm = nlmsg_data(nlh);
+			memset(bpm, 0, sizeof(*bpm));
 			bpm->ifindex = dev->ifindex;
 			if (br_mdb_fill_info(skb, cb, dev) < 0)
 				goto out;
@@ -171,6 +173,7 @@ static int nlmsg_populate_mdb_fill(struct sk_buff *skb,
 		return -EMSGSIZE;
 
 	bpm = nlmsg_data(nlh);
+	memset(bpm, 0, sizeof(*bpm));
 	bpm->family  = AF_BRIDGE;
 	bpm->ifindex = dev->ifindex;
 	nest = nla_nest_start(skb, MDBA_MDB);
@@ -228,6 +231,7 @@ void br_mdb_notify(struct net_device *dev, struct net_bridge_port *port,
 {
 	struct br_mdb_entry entry;
 
+	memset(&entry, 0, sizeof(entry));
 	entry.ifindex = port->dev->ifindex;
 	entry.addr.proto = group->proto;
 	entry.addr.u.ip4 = group->u.ip4;
diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index 10e6fce1bb62..923fbeaf7afd 100644
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -132,7 +132,7 @@ static struct net_bridge_mdb_entry *br_mdb_ip6_get(
 #endif
 
 struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge *br,
-					struct sk_buff *skb)
+					struct sk_buff *skb, u16 vid)
 {
 	struct net_bridge_mdb_htable *mdb = rcu_dereference(br->mdb);
 	struct br_ip ip;
@@ -144,6 +144,7 @@ struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge *br,
 		return NULL;
 
 	ip.proto = skb->protocol;
+	ip.vid = vid;
 
 	switch (skb->protocol) {
 	case htons(ETH_P_IP):
diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c
index 27aa3ee517ce..299fc5f40a26 100644
--- a/net/bridge/br_netlink.c
+++ b/net/bridge/br_netlink.c
@@ -29,6 +29,7 @@ static inline size_t br_port_info_size(void)
 		+ nla_total_size(1)	/* IFLA_BRPORT_MODE */
 		+ nla_total_size(1)	/* IFLA_BRPORT_GUARD */
 		+ nla_total_size(1)	/* IFLA_BRPORT_PROTECT */
+		+ nla_total_size(1)	/* IFLA_BRPORT_FAST_LEAVE */
 		+ 0;
 }
 
@@ -329,6 +330,7 @@ static int br_setport(struct net_bridge_port *p, struct nlattr *tb[])
 	br_set_port_flag(p, tb, IFLA_BRPORT_MODE, BR_HAIRPIN_MODE);
 	br_set_port_flag(p, tb, IFLA_BRPORT_GUARD, BR_BPDU_GUARD);
 	br_set_port_flag(p, tb, IFLA_BRPORT_FAST_LEAVE, BR_MULTICAST_FAST_LEAVE);
+	br_set_port_flag(p, tb, IFLA_BRPORT_PROTECT, BR_ROOT_BLOCK);
 
 	if (tb[IFLA_BRPORT_COST]) {
 		err = br_stp_set_path_cost(p, nla_get_u32(tb[IFLA_BRPORT_COST]));
diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
index 6d314c4e6bcb..d2c043a857b6 100644
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -156,6 +156,7 @@ struct net_bridge_port
 #define BR_BPDU_GUARD           0x00000002
 #define BR_ROOT_BLOCK		0x00000004
 #define BR_MULTICAST_FAST_LEAVE	0x00000008
+#define BR_ADMIN_COST		0x00000010
 
 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING
 	u32				multicast_startup_queries_sent;
@@ -442,7 +443,7 @@ extern int br_multicast_rcv(struct net_bridge *br,
 			    struct net_bridge_port *port,
 			    struct sk_buff *skb);
 extern struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge *br,
-					       struct sk_buff *skb);
+					       struct sk_buff *skb, u16 vid);
 extern void br_multicast_add_port(struct net_bridge_port *port);
 extern void br_multicast_del_port(struct net_bridge_port *port);
 extern void br_multicast_enable_port(struct net_bridge_port *port);
@@ -504,7 +505,7 @@ static inline int br_multicast_rcv(struct net_bridge *br,
 }
 
 static inline struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge *br,
-						      struct sk_buff *skb)
+						      struct sk_buff *skb, u16 vid)
 {
 	return NULL;
 }
diff --git a/net/bridge/br_stp_if.c b/net/bridge/br_stp_if.c
index 0bdb4ebd362b..d45e760141bb 100644
--- a/net/bridge/br_stp_if.c
+++ b/net/bridge/br_stp_if.c
@@ -288,6 +288,7 @@ int br_stp_set_path_cost(struct net_bridge_port *p, unsigned long path_cost)
 	    path_cost > BR_MAX_PATH_COST)
 		return -ERANGE;
 
+	p->flags |= BR_ADMIN_COST;
 	p->path_cost = path_cost;
 	br_configuration_update(p->br);
 	br_port_state_selection(p->br);