Merge 4.7-rc4 into staging-next

We want the fixes in here, and we can resolve a merge issue in
drivers/iio/industrialio-trigger.c

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

55 files changed, 379 insertions, 164 deletions

diff --git a/net/bridge/br_fdb.c b/net/bridge/br_fdb.c
index dcea4f4c62b3..c18080ad4085 100644
--- a/net/bridge/br_fdb.c
+++ b/net/bridge/br_fdb.c
@@ -279,6 +279,8 @@ void br_fdb_change_mac_address(struct net_bridge *br, const u8 *newaddr)
          * change from under us.
          */
         list_for_each_entry(v, &vg->vlan_list, vlist) {
+                if (!br_vlan_should_use(v))
+                        continue;
                 f = __br_fdb_get(br, br->dev->dev_addr, v->vid);
                 if (f && f->is_local && !f->dst)
                         fdb_delete_local(br, NULL, f);
diff --git a/net/compat.c b/net/compat.c
index 5cfd26a0006f..1cd2ec046164 100644
--- a/net/compat.c
+++ b/net/compat.c
@@ -309,8 +309,8 @@ void scm_detach_fds_compat(struct msghdr *kmsg, struct scm_cookie *scm)
         __scm_destroy(scm);
 }
 
-static int do_set_attach_filter(struct socket *sock, int level, int optname,
-                                char __user *optval, unsigned int optlen)
+/* allocate a 64-bit sock_fprog on the user stack for duration of syscall. */
+struct sock_fprog __user *get_compat_bpf_fprog(char __user *optval)
 {
         struct compat_sock_fprog __user *fprog32 = (struct compat_sock_fprog __user *)optval;
         struct sock_fprog __user *kfprog = compat_alloc_user_space(sizeof(struct sock_fprog));
@@ -323,6 +323,19 @@ static int do_set_attach_filter(struct socket *sock, int level, int optname,
             __get_user(ptr, &fprog32->filter) ||
             __put_user(len, &kfprog->len) ||
             __put_user(compat_ptr(ptr), &kfprog->filter))
+                return NULL;
+
+        return kfprog;
+}
+EXPORT_SYMBOL_GPL(get_compat_bpf_fprog);
+
+static int do_set_attach_filter(struct socket *sock, int level, int optname,
+                                char __user *optval, unsigned int optlen)
+{
+        struct sock_fprog __user *kfprog;
+
+        kfprog = get_compat_bpf_fprog(optval);
+        if (!kfprog)
                 return -EFAULT;
 
         return sock_setsockopt(sock, level, optname, (char __user *)kfprog,
@@ -354,7 +367,8 @@ static int do_set_sock_timeout(struct socket *sock, int level,
 static int compat_sock_setsockopt(struct socket *sock, int level, int optname,
                                 char __user *optval, unsigned int optlen)
 {
-        if (optname == SO_ATTACH_FILTER)
+        if (optname == SO_ATTACH_FILTER ||
+            optname == SO_ATTACH_REUSEPORT_CBPF)
                 return do_set_attach_filter(sock, level, optname,
                                             optval, optlen);
         if (optname == SO_RCVTIMEO || optname == SO_SNDTIMEO)
diff --git a/net/core/gen_stats.c b/net/core/gen_stats.c
index f96ee8b9478d..be873e4e3125 100644
--- a/net/core/gen_stats.c
+++ b/net/core/gen_stats.c
@@ -47,6 +47,7 @@ nla_put_failure:
  * @xstats_type: TLV type for backward compatibility xstats TLV
  * @lock: statistics lock
  * @d: dumping handle
+ * @padattr: padding attribute
  *
  * Initializes the dumping handle, grabs the statistic lock and appends
  * an empty TLV header to the socket buffer for use a container for all
@@ -87,6 +88,7 @@ EXPORT_SYMBOL(gnet_stats_start_copy_compat);
  * @type: TLV type for top level statistic TLV
  * @lock: statistics lock
  * @d: dumping handle
+ * @padattr: padding attribute
  *
  * Initializes the dumping handle, grabs the statistic lock and appends
  * an empty TLV header to the socket buffer for use a container for all
diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
index 2b3f76fe65f4..7a0b616557ab 100644
--- a/net/core/net-sysfs.c
+++ b/net/core/net-sysfs.c
@@ -24,6 +24,7 @@
 #include <linux/jiffies.h>
 #include <linux/pm_runtime.h>
 #include <linux/of.h>
+#include <linux/of_net.h>
 
 #include "net-sysfs.h"
 
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index d56c0559b477..0ff31d97d485 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -1618,12 +1618,12 @@ int udp_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
                 }
         }
 
-        if (rcu_access_pointer(sk->sk_filter)) {
-                if (udp_lib_checksum_complete(skb))
+        if (rcu_access_pointer(sk->sk_filter) &&
+            udp_lib_checksum_complete(skb))
                         goto csum_error;
-                if (sk_filter(sk, skb))
-                        goto drop;
-        }
+
+        if (sk_filter(sk, skb))
+                goto drop;
 
         udp_csum_pull_header(skb);
         if (sk_rcvqueues_full(sk, sk->sk_rcvbuf)) {
diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c
index f4ac2842d4d9..fdc9de276ab1 100644
--- a/net/ipv6/ip6_gre.c
+++ b/net/ipv6/ip6_gre.c
@@ -1256,6 +1256,8 @@ static int ip6gre_tap_init(struct net_device *dev)
         if (ret)
                 return ret;
 
+        dev->priv_flags |= IFF_LIVE_ADDR_CHANGE;
+
         tunnel = netdev_priv(dev);
 
         ip6gre_tnl_link_config(tunnel, 1);
@@ -1289,6 +1291,7 @@ static void ip6gre_tap_setup(struct net_device *dev)
 
         dev->features |= NETIF_F_NETNS_LOCAL;
         dev->priv_flags &= ~IFF_TX_SKB_SHARING;
+        dev->priv_flags |= IFF_LIVE_ADDR_CHANGE;
 }
 
 static bool ip6gre_netlink_encap_parms(struct nlattr *data[],
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index cbf127ae7c67..635b8d340cdb 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -1071,17 +1071,12 @@ struct dst_entry *ip6_sk_dst_lookup_flow(struct sock *sk, struct flowi6 *fl6,
                                          const struct in6_addr *final_dst)
 {
         struct dst_entry *dst = sk_dst_check(sk, inet6_sk(sk)->dst_cookie);
-        int err;
 
         dst = ip6_sk_dst_check(sk, dst, fl6);
+        if (!dst)
+                dst = ip6_dst_lookup_flow(sk, fl6, final_dst);
 
-        err = ip6_dst_lookup_tail(sock_net(sk), sk, &dst, fl6);
-        if (err)
-                return ERR_PTR(err);
-        if (final_dst)
-                fl6->daddr = *final_dst;
-
-        return xfrm_lookup_route(sock_net(sk), dst, flowi6_to_flowi(fl6), sk, 0);
+        return dst;
 }
 EXPORT_SYMBOL_GPL(ip6_sk_dst_lookup_flow);
 
diff --git a/net/ipv6/netfilter/nf_dup_ipv6.c b/net/ipv6/netfilter/nf_dup_ipv6.c
index 6989c70ae29f..4a84b5ad9ecb 100644
--- a/net/ipv6/netfilter/nf_dup_ipv6.c
+++ b/net/ipv6/netfilter/nf_dup_ipv6.c
@@ -33,6 +33,7 @@ static bool nf_dup_ipv6_route(struct net *net, struct sk_buff *skb,
         fl6.daddr = *gw;
         fl6.flowlabel = (__force __be32)(((iph->flow_lbl[0] & 0xF) << 16) |
                         (iph->flow_lbl[1] << 8) | iph->flow_lbl[2]);
+        fl6.flowi6_flags = FLOWI_FLAG_KNOWN_NH;
         dst = ip6_route_output(net, NULL, &fl6);
         if (dst->error) {
                 dst_release(dst);
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 79e33e02f11a..f36c2d076fce 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -1721,7 +1721,9 @@ static void get_tcp6_sock(struct seq_file *seq, struct sock *sp, int i)
         destp = ntohs(inet->inet_dport);
         srcp  = ntohs(inet->inet_sport);
 
-        if (icsk->icsk_pending == ICSK_TIME_RETRANS) {
+        if (icsk->icsk_pending == ICSK_TIME_RETRANS ||
+            icsk->icsk_pending == ICSK_TIME_EARLY_RETRANS ||
+            icsk->icsk_pending == ICSK_TIME_LOSS_PROBE) {
                 timer_active    = 1;
                 timer_expires   = icsk->icsk_timeout;
         } else if (icsk->icsk_pending == ICSK_TIME_PROBE0) {
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 2da1896af934..f421c9f23c5b 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -653,12 +653,12 @@ int udpv6_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
                 }
         }
 
-        if (rcu_access_pointer(sk->sk_filter)) {
-                if (udp_lib_checksum_complete(skb))
-                        goto csum_error;
-                if (sk_filter(sk, skb))
-                        goto drop;
-        }
+        if (rcu_access_pointer(sk->sk_filter) &&
+            udp_lib_checksum_complete(skb))
+                goto csum_error;
+
+        if (sk_filter(sk, skb))
+                goto drop;
 
         udp_csum_pull_header(skb);
         if (sk_rcvqueues_full(sk, sk->sk_rcvbuf)) {
diff --git a/net/l2tp/l2tp_core.c b/net/l2tp/l2tp_core.c
index 6edfa9980314..1e40dacaa137 100644
--- a/net/l2tp/l2tp_core.c
+++ b/net/l2tp/l2tp_core.c
@@ -1581,7 +1581,7 @@ int l2tp_tunnel_create(struct net *net, int fd, int version, u32 tunnel_id, u32
         /* Mark socket as an encapsulation socket. See net/ipv4/udp.c */
         tunnel->encap = encap;
         if (encap == L2TP_ENCAPTYPE_UDP) {
-                struct udp_tunnel_sock_cfg udp_cfg;
+                struct udp_tunnel_sock_cfg udp_cfg = { };
 
                 udp_cfg.sk_user_data = tunnel;
                 udp_cfg.encap_type = UDP_ENCAP_L2TPINUDP;
diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index 4c6404e1ad6e..21b1fdf5d01d 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -161,6 +161,10 @@ void mesh_sta_cleanup(struct sta_info *sta)
                 del_timer_sync(&sta->mesh->plink_timer);
         }
 
+        /* make sure no readers can access nexthop sta from here on */
+        mesh_path_flush_by_nexthop(sta);
+        synchronize_net();
+
         if (changed)
                 ieee80211_mbss_info_change_notify(sdata, changed);
 }
diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h
index c8b8ccc370eb..78b0ef32dddd 100644
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -280,7 +280,7 @@ struct ieee80211_fast_tx {
         u8 sa_offs, da_offs, pn_offs;
         u8 band;
         u8 hdr[30 + 2 + IEEE80211_FAST_XMIT_MAX_IV +
-               sizeof(rfc1042_header)];
+               sizeof(rfc1042_header)] __aligned(2);
 
         struct rcu_head rcu_head;
 };
diff --git a/net/netfilter/ipvs/ip_vs_conn.c b/net/netfilter/ipvs/ip_vs_conn.c
index 2cb3c626cd43..096a45103f14 100644
--- a/net/netfilter/ipvs/ip_vs_conn.c
+++ b/net/netfilter/ipvs/ip_vs_conn.c
@@ -762,7 +762,7 @@ static int expire_quiescent_template(struct netns_ipvs *ipvs,
  *      If available, return 1, otherwise invalidate this connection
  *      template and return 0.
  */
-int ip_vs_check_template(struct ip_vs_conn *ct)
+int ip_vs_check_template(struct ip_vs_conn *ct, struct ip_vs_dest *cdest)
 {
         struct ip_vs_dest *dest = ct->dest;
         struct netns_ipvs *ipvs = ct->ipvs;
@@ -772,7 +772,8 @@ int ip_vs_check_template(struct ip_vs_conn *ct)
          */
         if ((dest == NULL) ||
             !(dest->flags & IP_VS_DEST_F_AVAILABLE) ||
-            expire_quiescent_template(ipvs, dest)) {
+            expire_quiescent_template(ipvs, dest) ||
+            (cdest && (dest != cdest))) {
                 IP_VS_DBG_BUF(9, "check_template: dest not available for "
                               "protocol %s s:%s:%d v:%s:%d "
                               "-> d:%s:%d\n",
diff --git a/net/netfilter/ipvs/ip_vs_core.c b/net/netfilter/ipvs/ip_vs_core.c
index 1207f20d24e4..2c1b498a7a27 100644
--- a/net/netfilter/ipvs/ip_vs_core.c
+++ b/net/netfilter/ipvs/ip_vs_core.c
@@ -321,7 +321,7 @@ ip_vs_sched_persist(struct ip_vs_service *svc,
 
         /* Check if a template already exists */
         ct = ip_vs_ct_in_get(&param);
-        if (!ct || !ip_vs_check_template(ct)) {
+        if (!ct || !ip_vs_check_template(ct, NULL)) {
                 struct ip_vs_scheduler *sched;
 
                 /*
@@ -1154,7 +1154,8 @@ struct ip_vs_conn *ip_vs_new_conn_out(struct ip_vs_service *svc,
                                                   vport, &param) < 0)
                         return NULL;
                 ct = ip_vs_ct_in_get(&param);
-                if (!ct) {
+                /* check if template exists and points to the same dest */
+                if (!ct || !ip_vs_check_template(ct, dest)) {
                         ct = ip_vs_conn_new(&param, dest->af, daddr, dport,
                                             IP_VS_CONN_F_TEMPLATE, dest, 0);
                         if (!ct) {
diff --git a/net/netfilter/nf_conntrack_ftp.c b/net/netfilter/nf_conntrack_ftp.c
index 883c691ec8d0..19efeba02abb 100644
--- a/net/netfilter/nf_conntrack_ftp.c
+++ b/net/netfilter/nf_conntrack_ftp.c
@@ -632,6 +632,7 @@ static int __init nf_conntrack_ftp_init(void)
                         if (ret) {
                                 pr_err("failed to register helper for pf: %d port: %d\n",
                                        ftp[i][j].tuple.src.l3num, ports[i]);
+                                ports_c = i;
                                 nf_conntrack_ftp_fini();
                                 return ret;
                         }
diff --git a/net/netfilter/nf_conntrack_helper.c b/net/netfilter/nf_conntrack_helper.c
index f703adb7e5f7..196cb39649e1 100644
--- a/net/netfilter/nf_conntrack_helper.c
+++ b/net/netfilter/nf_conntrack_helper.c
@@ -361,9 +361,10 @@ EXPORT_SYMBOL_GPL(nf_ct_helper_log);
 
 int nf_conntrack_helper_register(struct nf_conntrack_helper *me)
 {
-        int ret = 0;
-        struct nf_conntrack_helper *cur;
+        struct nf_conntrack_tuple_mask mask = { .src.u.all = htons(0xFFFF) };
         unsigned int h = helper_hash(&me->tuple);
+        struct nf_conntrack_helper *cur;
+        int ret = 0;
 
         BUG_ON(me->expect_policy == NULL);
         BUG_ON(me->expect_class_max >= NF_CT_MAX_EXPECT_CLASSES);
@@ -371,9 +372,7 @@ int nf_conntrack_helper_register(struct nf_conntrack_helper *me)
 
         mutex_lock(&nf_ct_helper_mutex);
         hlist_for_each_entry(cur, &nf_ct_helper_hash[h], hnode) {
-                if (strncmp(cur->name, me->name, NF_CT_HELPER_NAME_LEN) == 0 &&
-                    cur->tuple.src.l3num == me->tuple.src.l3num &&
-                    cur->tuple.dst.protonum == me->tuple.dst.protonum) {
+                if (nf_ct_tuple_src_mask_cmp(&cur->tuple, &me->tuple, &mask)) {
                         ret = -EEXIST;
                         goto out;
                 }
diff --git a/net/netfilter/nf_conntrack_irc.c b/net/netfilter/nf_conntrack_irc.c
index 8b6da2719600..f97ac61d2536 100644
--- a/net/netfilter/nf_conntrack_irc.c
+++ b/net/netfilter/nf_conntrack_irc.c
@@ -271,6 +271,7 @@ static int __init nf_conntrack_irc_init(void)
                 if (ret) {
                         pr_err("failed to register helper for pf: %u port: %u\n",
                                irc[i].tuple.src.l3num, ports[i]);
+                        ports_c = i;
                         nf_conntrack_irc_fini();
                         return ret;
                 }
diff --git a/net/netfilter/nf_conntrack_sane.c b/net/netfilter/nf_conntrack_sane.c
index 7523a575f6d1..3fcbaab83b3d 100644
--- a/net/netfilter/nf_conntrack_sane.c
+++ b/net/netfilter/nf_conntrack_sane.c
@@ -223,6 +223,7 @@ static int __init nf_conntrack_sane_init(void)
                         if (ret) {
                                 pr_err("failed to register helper for pf: %d port: %d\n",
                                        sane[i][j].tuple.src.l3num, ports[i]);
+                                ports_c = i;
                                 nf_conntrack_sane_fini();
                                 return ret;
                         }
diff --git a/net/netfilter/nf_conntrack_sip.c b/net/netfilter/nf_conntrack_sip.c
index 3e06402739e0..f72ba5587588 100644
--- a/net/netfilter/nf_conntrack_sip.c
+++ b/net/netfilter/nf_conntrack_sip.c
@@ -1669,6 +1669,7 @@ static int __init nf_conntrack_sip_init(void)
                         if (ret) {
                                 pr_err("failed to register helper for pf: %u port: %u\n",
                                        sip[i][j].tuple.src.l3num, ports[i]);
+                                ports_c = i;
                                 nf_conntrack_sip_fini();
                                 return ret;
                         }
diff --git a/net/netfilter/nf_conntrack_standalone.c b/net/netfilter/nf_conntrack_standalone.c
index f87e84ebcec3..c026c472ea80 100644
--- a/net/netfilter/nf_conntrack_standalone.c
+++ b/net/netfilter/nf_conntrack_standalone.c
@@ -487,8 +487,6 @@ static struct ctl_table nf_ct_sysctl_table[] = {
         { }
 };
 
-#define NET_NF_CONNTRACK_MAX 2089
-
 static struct ctl_table nf_ct_netfilter_table[] = {
         {
                 .procname       = "nf_conntrack_max",
diff --git a/net/netfilter/nf_conntrack_tftp.c b/net/netfilter/nf_conntrack_tftp.c
index 36f964066461..2e65b5430fba 100644
--- a/net/netfilter/nf_conntrack_tftp.c
+++ b/net/netfilter/nf_conntrack_tftp.c
@@ -142,6 +142,7 @@ static int __init nf_conntrack_tftp_init(void)
                         if (ret) {
                                 pr_err("failed to register helper for pf: %u port: %u\n",
                                        tftp[i][j].tuple.src.l3num, ports[i]);
+                                ports_c = i;
                                 nf_conntrack_tftp_fini();
                                 return ret;
                         }
diff --git a/net/netfilter/nf_queue.c b/net/netfilter/nf_queue.c
index 5baa8e24e6ac..b19ad20a705c 100644
--- a/net/netfilter/nf_queue.c
+++ b/net/netfilter/nf_queue.c
@@ -26,23 +26,21 @@
  * Once the queue is registered it must reinject all packets it
  * receives, no matter what.
  */
-static const struct nf_queue_handler __rcu *queue_handler __read_mostly;
 
 /* return EBUSY when somebody else is registered, return EEXIST if the
  * same handler is registered, return 0 in case of success. */
-void nf_register_queue_handler(const struct nf_queue_handler *qh)
+void nf_register_queue_handler(struct net *net, const struct nf_queue_handler *qh)
 {
         /* should never happen, we only have one queueing backend in kernel */
-        WARN_ON(rcu_access_pointer(queue_handler));
-        rcu_assign_pointer(queue_handler, qh);
+        WARN_ON(rcu_access_pointer(net->nf.queue_handler));
+        rcu_assign_pointer(net->nf.queue_handler, qh);
 }
 EXPORT_SYMBOL(nf_register_queue_handler);
 
 /* The caller must flush their queue before this */
-void nf_unregister_queue_handler(void)
+void nf_unregister_queue_handler(struct net *net)
 {
-        RCU_INIT_POINTER(queue_handler, NULL);
-        synchronize_rcu();
+        RCU_INIT_POINTER(net->nf.queue_handler, NULL);
 }
 EXPORT_SYMBOL(nf_unregister_queue_handler);
 
@@ -103,7 +101,7 @@ void nf_queue_nf_hook_drop(struct net *net, struct nf_hook_ops *ops)
         const struct nf_queue_handler *qh;
 
         rcu_read_lock();
-        qh = rcu_dereference(queue_handler);
+        qh = rcu_dereference(net->nf.queue_handler);
         if (qh)
                 qh->nf_hook_drop(net, ops);
         rcu_read_unlock();
@@ -122,9 +120,10 @@ int nf_queue(struct sk_buff *skb,
         struct nf_queue_entry *entry = NULL;
         const struct nf_afinfo *afinfo;
         const struct nf_queue_handler *qh;
+        struct net *net = state->net;
 
         /* QUEUE == DROP if no one is waiting, to be safe. */
-        qh = rcu_dereference(queue_handler);
+        qh = rcu_dereference(net->nf.queue_handler);
         if (!qh) {
                 status = -ESRCH;
                 goto err;
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index 4d292b933b5c..7b7aa871a174 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -2647,6 +2647,8 @@ static int nf_tables_getset(struct net *net, struct sock *nlsk,
         /* Only accept unspec with dump */
         if (nfmsg->nfgen_family == NFPROTO_UNSPEC)
                 return -EAFNOSUPPORT;
+        if (!nla[NFTA_SET_TABLE])
+                return -EINVAL;
 
         set = nf_tables_set_lookup(ctx.table, nla[NFTA_SET_NAME]);
         if (IS_ERR(set))
diff --git a/net/netfilter/nfnetlink_queue.c b/net/netfilter/nfnetlink_queue.c
index aa93877ab6e2..5d36a0926b4a 100644
--- a/net/netfilter/nfnetlink_queue.c
+++ b/net/netfilter/nfnetlink_queue.c
@@ -557,7 +557,7 @@ nfqnl_build_packet_message(struct net *net, struct nfqnl_instance *queue,
 
         if (entskb->tstamp.tv64) {
                 struct nfqnl_msg_packet_timestamp ts;
-                struct timespec64 kts = ktime_to_timespec64(skb->tstamp);
+                struct timespec64 kts = ktime_to_timespec64(entskb->tstamp);
 
                 ts.sec = cpu_to_be64(kts.tv_sec);
                 ts.usec = cpu_to_be64(kts.tv_nsec / NSEC_PER_USEC);
@@ -1482,21 +1482,29 @@ static int __net_init nfnl_queue_net_init(struct net *net)
                          net->nf.proc_netfilter, &nfqnl_file_ops))
                 return -ENOMEM;
 #endif
+        nf_register_queue_handler(net, &nfqh);
         return 0;
 }
 
 static void __net_exit nfnl_queue_net_exit(struct net *net)
 {
+        nf_unregister_queue_handler(net);
 #ifdef CONFIG_PROC_FS
         remove_proc_entry("nfnetlink_queue", net->nf.proc_netfilter);
 #endif
 }
 
+static void nfnl_queue_net_exit_batch(struct list_head *net_exit_list)
+{
+        synchronize_rcu();
+}
+
 static struct pernet_operations nfnl_queue_net_ops = {
-        .init   = nfnl_queue_net_init,
-        .exit   = nfnl_queue_net_exit,
-        .id     = &nfnl_queue_net_id,
-        .size   = sizeof(struct nfnl_queue_net),
+        .init           = nfnl_queue_net_init,
+        .exit           = nfnl_queue_net_exit,
+        .exit_batch     = nfnl_queue_net_exit_batch,
+        .id             = &nfnl_queue_net_id,
+        .size           = sizeof(struct nfnl_queue_net),
 };
 
 static int __init nfnetlink_queue_init(void)
@@ -1517,7 +1525,6 @@ static int __init nfnetlink_queue_init(void)
         }
 
         register_netdevice_notifier(&nfqnl_dev_notifier);
-        nf_register_queue_handler(&nfqh);
         return status;
 
 cleanup_netlink_notifier:
@@ -1529,7 +1536,6 @@ out:
 
 static void __exit nfnetlink_queue_fini(void)
 {
-        nf_unregister_queue_handler();
         unregister_netdevice_notifier(&nfqnl_dev_notifier);
         nfnetlink_subsys_unregister(&nfqnl_subsys);
         netlink_unregister_notifier(&nfqnl_rtnl_notifier);
diff --git a/net/netfilter/x_tables.c b/net/netfilter/x_tables.c
index c69c892231d7..2675d580c490 100644
--- a/net/netfilter/x_tables.c
+++ b/net/netfilter/x_tables.c
@@ -612,7 +612,7 @@ int xt_compat_check_entry_offsets(const void *base, const char *elems,
                 return -EINVAL;
 
         if (strcmp(t->u.user.name, XT_STANDARD_TARGET) == 0 &&
-            target_offset + sizeof(struct compat_xt_standard_target) != next_offset)
+            COMPAT_XT_ALIGN(target_offset + sizeof(struct compat_xt_standard_target)) != next_offset)
                 return -EINVAL;
 
         /* compat_xt_entry match has less strict aligment requirements,
@@ -694,7 +694,7 @@ int xt_check_entry_offsets(const void *base,
                 return -EINVAL;
 
         if (strcmp(t->u.user.name, XT_STANDARD_TARGET) == 0 &&
-            target_offset + sizeof(struct xt_standard_target) != next_offset)
+            XT_ALIGN(target_offset + sizeof(struct xt_standard_target)) != next_offset)
                 return -EINVAL;
 
         return xt_check_entry_match(elems, base + target_offset,
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index 4040eb92d9c9..9bff6ef16fa7 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -93,6 +93,7 @@
 #include <net/inet_common.h>
 #endif
 #include <linux/bpf.h>
+#include <net/compat.h>
 
 #include "internal.h"
 
@@ -3940,6 +3941,27 @@ static int packet_getsockopt(struct socket *sock, int level, int optname,
 }
 
 
+#ifdef CONFIG_COMPAT
+static int compat_packet_setsockopt(struct socket *sock, int level, int optname,
+                                    char __user *optval, unsigned int optlen)
+{
+        struct packet_sock *po = pkt_sk(sock->sk);
+
+        if (level != SOL_PACKET)
+                return -ENOPROTOOPT;
+
+        if (optname == PACKET_FANOUT_DATA &&
+            po->fanout && po->fanout->type == PACKET_FANOUT_CBPF) {
+                optval = (char __user *)get_compat_bpf_fprog(optval);
+                if (!optval)
+                        return -EFAULT;
+                optlen = sizeof(struct sock_fprog);
+        }
+
+        return packet_setsockopt(sock, level, optname, optval, optlen);
+}
+#endif
+
 static int packet_notifier(struct notifier_block *this,
                            unsigned long msg, void *ptr)
 {
@@ -4416,6 +4438,9 @@ static const struct proto_ops packet_ops = {
         .shutdown =     sock_no_shutdown,
         .setsockopt =   packet_setsockopt,
         .getsockopt =   packet_getsockopt,
+#ifdef CONFIG_COMPAT
+        .compat_setsockopt = compat_packet_setsockopt,
+#endif
         .sendmsg =      packet_sendmsg,
         .recvmsg =      packet_recvmsg,
         .mmap =         packet_mmap,
diff --git a/net/rds/rds.h b/net/rds/rds.h
index 80256b08eac0..387df5f32e49 100644
--- a/net/rds/rds.h
+++ b/net/rds/rds.h
@@ -74,6 +74,7 @@ enum {
         RDS_CONN_CONNECTING,
         RDS_CONN_DISCONNECTING,
         RDS_CONN_UP,
+        RDS_CONN_RESETTING,
         RDS_CONN_ERROR,
 };
 
@@ -813,6 +814,7 @@ void rds_connect_worker(struct work_struct *);
 void rds_shutdown_worker(struct work_struct *);
 void rds_send_worker(struct work_struct *);
 void rds_recv_worker(struct work_struct *);
+void rds_connect_path_complete(struct rds_connection *conn, int curr);
 void rds_connect_complete(struct rds_connection *conn);
 
 /* transport.c */
diff --git a/net/rds/recv.c b/net/rds/recv.c
index c0be1ecd11c9..8413f6c99e13 100644
--- a/net/rds/recv.c
+++ b/net/rds/recv.c
@@ -561,5 +561,7 @@ void rds_inc_info_copy(struct rds_incoming *inc,
                 minfo.fport = inc->i_hdr.h_dport;
         }
 
+        minfo.flags = 0;
+
         rds_info_copy(iter, &minfo, sizeof(minfo));
 }
diff --git a/net/rds/send.c b/net/rds/send.c
index c9cdb358ea88..b1962f8e30f7 100644
--- a/net/rds/send.c
+++ b/net/rds/send.c
@@ -99,6 +99,7 @@ void rds_send_reset(struct rds_connection *conn)
         list_splice_init(&conn->c_retrans, &conn->c_send_queue);
         spin_unlock_irqrestore(&conn->c_lock, flags);
 }
+EXPORT_SYMBOL_GPL(rds_send_reset);
 
 static int acquire_in_xmit(struct rds_connection *conn)
 {
diff --git a/net/rds/tcp.c b/net/rds/tcp.c
index 86187dad1440..74ee126a6fe6 100644
--- a/net/rds/tcp.c
+++ b/net/rds/tcp.c
@@ -126,9 +126,81 @@ void rds_tcp_restore_callbacks(struct socket *sock,
 }
 
 /*
- * This is the only path that sets tc->t_sock.  Send and receive trust that
- * it is set.  The RDS_CONN_UP bit protects those paths from being
- * called while it isn't set.
+ * rds_tcp_reset_callbacks() switches the to the new sock and
+ * returns the existing tc->t_sock.
+ *
+ * The only functions that set tc->t_sock are rds_tcp_set_callbacks
+ * and rds_tcp_reset_callbacks.  Send and receive trust that
+ * it is set.  The absence of RDS_CONN_UP bit protects those paths
+ * from being called while it isn't set.
+ */
+void rds_tcp_reset_callbacks(struct socket *sock,
+                             struct rds_connection *conn)
+{
+        struct rds_tcp_connection *tc = conn->c_transport_data;
+        struct socket *osock = tc->t_sock;
+
+        if (!osock)
+                goto newsock;
+
+        /* Need to resolve a duelling SYN between peers.
+         * We have an outstanding SYN to this peer, which may
+         * potentially have transitioned to the RDS_CONN_UP state,
+         * so we must quiesce any send threads before resetting
+         * c_transport_data. We quiesce these threads by setting
+         * c_state to something other than RDS_CONN_UP, and then
+         * waiting for any existing threads in rds_send_xmit to
+         * complete release_in_xmit(). (Subsequent threads entering
+         * rds_send_xmit() will bail on !rds_conn_up().
+         *
+         * However an incoming syn-ack at this point would end up
+         * marking the conn as RDS_CONN_UP, and would again permit
+         * rds_send_xmi() threads through, so ideally we would
+         * synchronize on RDS_CONN_UP after lock_sock(), but cannot
+         * do that: waiting on !RDS_IN_XMIT after lock_sock() may
+         * end up deadlocking with tcp_sendmsg(), and the RDS_IN_XMIT
+         * would not get set. As a result, we set c_state to
+         * RDS_CONN_RESETTTING, to ensure that rds_tcp_state_change
+         * cannot mark rds_conn_path_up() in the window before lock_sock()
+         */
+        atomic_set(&conn->c_state, RDS_CONN_RESETTING);
+        wait_event(conn->c_waitq, !test_bit(RDS_IN_XMIT, &conn->c_flags));
+        lock_sock(osock->sk);
+        /* reset receive side state for rds_tcp_data_recv() for osock  */
+        if (tc->t_tinc) {
+                rds_inc_put(&tc->t_tinc->ti_inc);
+                tc->t_tinc = NULL;
+        }
+        tc->t_tinc_hdr_rem = sizeof(struct rds_header);
+        tc->t_tinc_data_rem = 0;
+        tc->t_sock = NULL;
+
+        write_lock_bh(&osock->sk->sk_callback_lock);
+
+        osock->sk->sk_user_data = NULL;
+        osock->sk->sk_data_ready = tc->t_orig_data_ready;
+        osock->sk->sk_write_space = tc->t_orig_write_space;
+        osock->sk->sk_state_change = tc->t_orig_state_change;
+        write_unlock_bh(&osock->sk->sk_callback_lock);
+        release_sock(osock->sk);
+        sock_release(osock);
+newsock:
+        rds_send_reset(conn);
+        lock_sock(sock->sk);
+        write_lock_bh(&sock->sk->sk_callback_lock);
+        tc->t_sock = sock;
+        sock->sk->sk_user_data = conn;
+        sock->sk->sk_data_ready = rds_tcp_data_ready;
+        sock->sk->sk_write_space = rds_tcp_write_space;
+        sock->sk->sk_state_change = rds_tcp_state_change;
+
+        write_unlock_bh(&sock->sk->sk_callback_lock);
+        release_sock(sock->sk);
+}
+
+/* Add tc to rds_tcp_tc_list and set tc->t_sock. See comments
+ * above rds_tcp_reset_callbacks for notes about synchronization
+ * with data path
  */
 void rds_tcp_set_callbacks(struct socket *sock, struct rds_connection *conn)
 {
diff --git a/net/rds/tcp.h b/net/rds/tcp.h
index 41c228300525..ec0602b0dc24 100644
--- a/net/rds/tcp.h
+++ b/net/rds/tcp.h
@@ -50,6 +50,7 @@ struct rds_tcp_statistics {
 void rds_tcp_tune(struct socket *sock);
 void rds_tcp_nonagle(struct socket *sock);
 void rds_tcp_set_callbacks(struct socket *sock, struct rds_connection *conn);
+void rds_tcp_reset_callbacks(struct socket *sock, struct rds_connection *conn);
 void rds_tcp_restore_callbacks(struct socket *sock,
                                struct rds_tcp_connection *tc);
 u32 rds_tcp_snd_nxt(struct rds_tcp_connection *tc);
diff --git a/net/rds/tcp_connect.c b/net/rds/tcp_connect.c
index fb82e0a0bf89..fba13d0305fb 100644
--- a/net/rds/tcp_connect.c
+++ b/net/rds/tcp_connect.c
@@ -60,7 +60,7 @@ void rds_tcp_state_change(struct sock *sk)
                 case TCP_SYN_RECV:
                         break;
                 case TCP_ESTABLISHED:
-                        rds_connect_complete(conn);
+                        rds_connect_path_complete(conn, RDS_CONN_CONNECTING);
                         break;
                 case TCP_CLOSE_WAIT:
                 case TCP_CLOSE:
diff --git a/net/rds/tcp_listen.c b/net/rds/tcp_listen.c
index 4bf4befe5066..686b1d03a558 100644
--- a/net/rds/tcp_listen.c
+++ b/net/rds/tcp_listen.c
@@ -78,7 +78,6 @@ int rds_tcp_accept_one(struct socket *sock)
         struct inet_sock *inet;
         struct rds_tcp_connection *rs_tcp = NULL;
         int conn_state;
-        struct sock *nsk;
 
         if (!sock) /* module unload or netns delete in progress */
                 return -ENETUNREACH;
@@ -136,26 +135,21 @@ int rds_tcp_accept_one(struct socket *sock)
                     !conn->c_outgoing) {
                         goto rst_nsk;
                 } else {
-                        atomic_set(&conn->c_state, RDS_CONN_CONNECTING);
-                        wait_event(conn->c_waitq,
-                                   !test_bit(RDS_IN_XMIT, &conn->c_flags));
-                        rds_tcp_restore_callbacks(rs_tcp->t_sock, rs_tcp);
+                        rds_tcp_reset_callbacks(new_sock, conn);
                         conn->c_outgoing = 0;
+                        /* rds_connect_path_complete() marks RDS_CONN_UP */
+                        rds_connect_path_complete(conn, RDS_CONN_DISCONNECTING);
                 }
+        } else {
+                rds_tcp_set_callbacks(new_sock, conn);
+                rds_connect_path_complete(conn, RDS_CONN_CONNECTING);
         }
-        rds_tcp_set_callbacks(new_sock, conn);
-        rds_connect_complete(conn); /* marks RDS_CONN_UP */
         new_sock = NULL;
         ret = 0;
         goto out;
 rst_nsk:
         /* reset the newly returned accept sock and bail */
-        nsk = new_sock->sk;
-        rds_tcp_stats_inc(s_tcp_listen_closed_stale);
-        nsk->sk_user_data = NULL;
-        nsk->sk_prot->disconnect(nsk, 0);
-        tcp_done(nsk);
-        new_sock = NULL;
+        kernel_sock_shutdown(new_sock, SHUT_RDWR);
         ret = 0;
 out:
         if (rs_tcp)
diff --git a/net/rds/threads.c b/net/rds/threads.c
index 454aa6d23327..4a323045719b 100644
--- a/net/rds/threads.c
+++ b/net/rds/threads.c
@@ -71,9 +71,9 @@
 struct workqueue_struct *rds_wq;
 EXPORT_SYMBOL_GPL(rds_wq);
 
-void rds_connect_complete(struct rds_connection *conn)
+void rds_connect_path_complete(struct rds_connection *conn, int curr)
 {
-        if (!rds_conn_transition(conn, RDS_CONN_CONNECTING, RDS_CONN_UP)) {
+        if (!rds_conn_transition(conn, curr, RDS_CONN_UP)) {
                 printk(KERN_WARNING "%s: Cannot transition to state UP, "
                                 "current state is %d\n",
                                 __func__,
@@ -90,6 +90,12 @@ void rds_connect_complete(struct rds_connection *conn)
         queue_delayed_work(rds_wq, &conn->c_send_w, 0);
         queue_delayed_work(rds_wq, &conn->c_recv_w, 0);
 }
+EXPORT_SYMBOL_GPL(rds_connect_path_complete);
+
+void rds_connect_complete(struct rds_connection *conn)
+{
+        rds_connect_path_complete(conn, RDS_CONN_CONNECTING);
+}
 EXPORT_SYMBOL_GPL(rds_connect_complete);
 
 /*
diff --git a/net/rxrpc/rxkad.c b/net/rxrpc/rxkad.c
index 6b726a046a7d..bab56ed649ba 100644
--- a/net/rxrpc/rxkad.c
+++ b/net/rxrpc/rxkad.c
@@ -1162,9 +1162,7 @@ static int rxkad_init(void)
         /* pin the cipher we need so that the crypto layer doesn't invoke
          * keventd to go get it */
         rxkad_ci = crypto_alloc_skcipher("pcbc(fcrypt)", 0, CRYPTO_ALG_ASYNC);
-        if (IS_ERR(rxkad_ci))
-                return PTR_ERR(rxkad_ci);
-        return 0;
+        return PTR_ERR_OR_ZERO(rxkad_ci);
 }
 
 /*
diff --git a/net/sched/act_police.c b/net/sched/act_police.c
index b884dae692a1..c557789765dc 100644
--- a/net/sched/act_police.c
+++ b/net/sched/act_police.c
@@ -38,7 +38,7 @@ struct tcf_police {
         bool                    peak_present;
 };
 #define to_police(pc)   \
-        container_of(pc, struct tcf_police, common)
+        container_of(pc->priv, struct tcf_police, common)
 
 #define POL_TAB_MASK     15
 
@@ -119,14 +119,12 @@ static int tcf_act_police_locate(struct net *net, struct nlattr *nla,
                                  struct nlattr *est, struct tc_action *a,
                                  int ovr, int bind)
 {
-        unsigned int h;
         int ret = 0, err;
         struct nlattr *tb[TCA_POLICE_MAX + 1];
         struct tc_police *parm;
         struct tcf_police *police;
         struct qdisc_rate_table *R_tab = NULL, *P_tab = NULL;
         struct tc_action_net *tn = net_generic(net, police_net_id);
-        struct tcf_hashinfo *hinfo = tn->hinfo;
         int size;
 
         if (nla == NULL)
@@ -145,7 +143,7 @@ static int tcf_act_police_locate(struct net *net, struct nlattr *nla,
 
         if (parm->index) {
                 if (tcf_hash_search(tn, a, parm->index)) {
-                        police = to_police(a->priv);
+                        police = to_police(a);
                         if (bind) {
                                 police->tcf_bindcnt += 1;
                                 police->tcf_refcnt += 1;
@@ -156,16 +154,15 @@ static int tcf_act_police_locate(struct net *net, struct nlattr *nla,
                         /* not replacing */
                         return -EEXIST;
                 }
+        } else {
+                ret = tcf_hash_create(tn, parm->index, NULL, a,
+                                      sizeof(*police), bind, false);
+                if (ret)
+                        return ret;
+                ret = ACT_P_CREATED;
         }
 
-        police = kzalloc(sizeof(*police), GFP_KERNEL);
-        if (police == NULL)
-                return -ENOMEM;
-        ret = ACT_P_CREATED;
-        police->tcf_refcnt = 1;
-        spin_lock_init(&police->tcf_lock);
-        if (bind)
-                police->tcf_bindcnt = 1;
+        police = to_police(a);
 override:
         if (parm->rate.rate) {
                 err = -ENOMEM;
@@ -237,16 +234,8 @@ override:
                 return ret;
 
         police->tcfp_t_c = ktime_get_ns();
-        police->tcf_index = parm->index ? parm->index :
-                tcf_hash_new_index(tn);
-        police->tcf_tm.install = jiffies;
-        police->tcf_tm.lastuse = jiffies;
-        h = tcf_hash(police->tcf_index, POL_TAB_MASK);
-        spin_lock_bh(&hinfo->lock);
-        hlist_add_head(&police->tcf_head, &hinfo->htab[h]);
-        spin_unlock_bh(&hinfo->lock);
+        tcf_hash_insert(tn, a);
 
-        a->priv = police;
         return ret;
 
 failure_unlock:
@@ -255,7 +244,7 @@ failure:
         qdisc_put_rtab(P_tab);
         qdisc_put_rtab(R_tab);
         if (ret == ACT_P_CREATED)
-                kfree(police);
+                tcf_hash_cleanup(a, est);
         return err;
 }
 
diff --git a/net/sched/cls_flower.c b/net/sched/cls_flower.c
index 730aacafc22d..b3b7978f4182 100644
--- a/net/sched/cls_flower.c
+++ b/net/sched/cls_flower.c
@@ -171,7 +171,7 @@ static void fl_hw_destroy_filter(struct tcf_proto *tp, unsigned long cookie)
         struct tc_cls_flower_offload offload = {0};
         struct tc_to_netdev tc;
 
-        if (!tc_should_offload(dev, 0))
+        if (!tc_should_offload(dev, tp, 0))
                 return;
 
         offload.command = TC_CLSFLOWER_DESTROY;
@@ -194,7 +194,7 @@ static void fl_hw_replace_filter(struct tcf_proto *tp,
         struct tc_cls_flower_offload offload = {0};
         struct tc_to_netdev tc;
 
-        if (!tc_should_offload(dev, flags))
+        if (!tc_should_offload(dev, tp, flags))
                 return;
 
         offload.command = TC_CLSFLOWER_REPLACE;
@@ -216,7 +216,7 @@ static void fl_hw_update_stats(struct tcf_proto *tp, struct cls_fl_filter *f)
         struct tc_cls_flower_offload offload = {0};
         struct tc_to_netdev tc;
 
-        if (!tc_should_offload(dev, 0))
+        if (!tc_should_offload(dev, tp, 0))
                 return;
 
         offload.command = TC_CLSFLOWER_STATS;
diff --git a/net/sched/cls_u32.c b/net/sched/cls_u32.c
index 079b43b3c5d2..ffe593efe930 100644
--- a/net/sched/cls_u32.c
+++ b/net/sched/cls_u32.c
@@ -440,7 +440,7 @@ static void u32_remove_hw_knode(struct tcf_proto *tp, u32 handle)
         offload.type = TC_SETUP_CLSU32;
         offload.cls_u32 = &u32_offload;
 
-        if (tc_should_offload(dev, 0)) {
+        if (tc_should_offload(dev, tp, 0)) {
                 offload.cls_u32->command = TC_CLSU32_DELETE_KNODE;
                 offload.cls_u32->knode.handle = handle;
                 dev->netdev_ops->ndo_setup_tc(dev, tp->q->handle,
@@ -457,20 +457,21 @@ static int u32_replace_hw_hnode(struct tcf_proto *tp,
         struct tc_to_netdev offload;
         int err;
 
+        if (!tc_should_offload(dev, tp, flags))
+                return tc_skip_sw(flags) ? -EINVAL : 0;
+
         offload.type = TC_SETUP_CLSU32;
         offload.cls_u32 = &u32_offload;
 
-        if (tc_should_offload(dev, flags)) {
-                offload.cls_u32->command = TC_CLSU32_NEW_HNODE;
-                offload.cls_u32->hnode.divisor = h->divisor;
-                offload.cls_u32->hnode.handle = h->handle;
-                offload.cls_u32->hnode.prio = h->prio;
+        offload.cls_u32->command = TC_CLSU32_NEW_HNODE;
+        offload.cls_u32->hnode.divisor = h->divisor;
+        offload.cls_u32->hnode.handle = h->handle;
+        offload.cls_u32->hnode.prio = h->prio;
 
-                err = dev->netdev_ops->ndo_setup_tc(dev, tp->q->handle,
-                                                    tp->protocol, &offload);
-                if (tc_skip_sw(flags))
-                        return err;
-        }
+        err = dev->netdev_ops->ndo_setup_tc(dev, tp->q->handle,
+                                            tp->protocol, &offload);
+        if (tc_skip_sw(flags))
+                return err;
 
         return 0;
 }
@@ -484,7 +485,7 @@ static void u32_clear_hw_hnode(struct tcf_proto *tp, struct tc_u_hnode *h)
         offload.type = TC_SETUP_CLSU32;
         offload.cls_u32 = &u32_offload;
 
-        if (tc_should_offload(dev, 0)) {
+        if (tc_should_offload(dev, tp, 0)) {
                 offload.cls_u32->command = TC_CLSU32_DELETE_HNODE;
                 offload.cls_u32->hnode.divisor = h->divisor;
                 offload.cls_u32->hnode.handle = h->handle;
@@ -507,27 +508,28 @@ static int u32_replace_hw_knode(struct tcf_proto *tp,
         offload.type = TC_SETUP_CLSU32;
         offload.cls_u32 = &u32_offload;
 
-        if (tc_should_offload(dev, flags)) {
-                offload.cls_u32->command = TC_CLSU32_REPLACE_KNODE;
-                offload.cls_u32->knode.handle = n->handle;
-                offload.cls_u32->knode.fshift = n->fshift;
+        if (!tc_should_offload(dev, tp, flags))
+                return tc_skip_sw(flags) ? -EINVAL : 0;
+
+        offload.cls_u32->command = TC_CLSU32_REPLACE_KNODE;
+        offload.cls_u32->knode.handle = n->handle;
+        offload.cls_u32->knode.fshift = n->fshift;
 #ifdef CONFIG_CLS_U32_MARK
-                offload.cls_u32->knode.val = n->val;
-                offload.cls_u32->knode.mask = n->mask;
+        offload.cls_u32->knode.val = n->val;
+        offload.cls_u32->knode.mask = n->mask;
 #else
-                offload.cls_u32->knode.val = 0;
-                offload.cls_u32->knode.mask = 0;
+        offload.cls_u32->knode.val = 0;
+        offload.cls_u32->knode.mask = 0;
 #endif
-                offload.cls_u32->knode.sel = &n->sel;
-                offload.cls_u32->knode.exts = &n->exts;
-                if (n->ht_down)
-                        offload.cls_u32->knode.link_handle = n->ht_down->handle;
-
-                err = dev->netdev_ops->ndo_setup_tc(dev, tp->q->handle,
-                                                    tp->protocol, &offload);
-                if (tc_skip_sw(flags))
-                        return err;
-        }
+        offload.cls_u32->knode.sel = &n->sel;
+        offload.cls_u32->knode.exts = &n->exts;
+        if (n->ht_down)
+                offload.cls_u32->knode.link_handle = n->ht_down->handle;
+
+        err = dev->netdev_ops->ndo_setup_tc(dev, tp->q->handle,
+                                            tp->protocol, &offload);
+        if (tc_skip_sw(flags))
+                return err;
 
         return 0;
 }
@@ -863,7 +865,7 @@ static int u32_change(struct net *net, struct sk_buff *in_skb,
         if (tb[TCA_U32_FLAGS]) {
                 flags = nla_get_u32(tb[TCA_U32_FLAGS]);
                 if (!tc_flags_valid(flags))
-                        return err;
+                        return -EINVAL;
         }
 
         n = (struct tc_u_knode *)*arg;
@@ -921,11 +923,17 @@ static int u32_change(struct net *net, struct sk_buff *in_skb,
                 ht->divisor = divisor;
                 ht->handle = handle;
                 ht->prio = tp->prio;
+
+                err = u32_replace_hw_hnode(tp, ht, flags);
+                if (err) {
+                        kfree(ht);
+                        return err;
+                }
+
                 RCU_INIT_POINTER(ht->next, tp_c->hlist);
                 rcu_assign_pointer(tp_c->hlist, ht);
                 *arg = (unsigned long)ht;
 
-                u32_replace_hw_hnode(tp, ht, flags);
                 return 0;
         }
 
diff --git a/net/sched/sch_drr.c b/net/sched/sch_drr.c
index a63e879e8975..bf8af2c43c2c 100644
--- a/net/sched/sch_drr.c
+++ b/net/sched/sch_drr.c
@@ -375,6 +375,7 @@ static int drr_enqueue(struct sk_buff *skb, struct Qdisc *sch)
                 cl->deficit = cl->quantum;
         }
 
+        qdisc_qstats_backlog_inc(sch, skb);
         sch->q.qlen++;
         return err;
 }
@@ -407,6 +408,7 @@ static struct sk_buff *drr_dequeue(struct Qdisc *sch)
 
                         bstats_update(&cl->bstats, skb);
                         qdisc_bstats_update(sch, skb);
+                        qdisc_qstats_backlog_dec(sch, skb);
                         sch->q.qlen--;
                         return skb;
                 }
@@ -428,6 +430,7 @@ static unsigned int drr_drop(struct Qdisc *sch)
                 if (cl->qdisc->ops->drop) {
                         len = cl->qdisc->ops->drop(cl->qdisc);
                         if (len > 0) {
+                                sch->qstats.backlog -= len;
                                 sch->q.qlen--;
                                 if (cl->qdisc->q.qlen == 0)
                                         list_del(&cl->alist);
@@ -463,6 +466,7 @@ static void drr_reset_qdisc(struct Qdisc *sch)
                         qdisc_reset(cl->qdisc);
                 }
         }
+        sch->qstats.backlog = 0;
         sch->q.qlen = 0;
 }
 
diff --git a/net/sched/sch_fq_codel.c b/net/sched/sch_fq_codel.c
index 6883a8971562..da250b2e06ae 100644
--- a/net/sched/sch_fq_codel.c
+++ b/net/sched/sch_fq_codel.c
@@ -199,6 +199,7 @@ static int fq_codel_enqueue(struct sk_buff *skb, struct Qdisc *sch)
         unsigned int idx, prev_backlog, prev_qlen;
         struct fq_codel_flow *flow;
         int uninitialized_var(ret);
+        unsigned int pkt_len;
         bool memory_limited;
 
         idx = fq_codel_classify(skb, sch, &ret);
@@ -230,6 +231,8 @@ static int fq_codel_enqueue(struct sk_buff *skb, struct Qdisc *sch)
         prev_backlog = sch->qstats.backlog;
         prev_qlen = sch->q.qlen;
 
+        /* save this packet length as it might be dropped by fq_codel_drop() */
+        pkt_len = qdisc_pkt_len(skb);
         /* fq_codel_drop() is quite expensive, as it performs a linear search
          * in q->backlogs[] to find a fat flow.
          * So instead of dropping a single packet, drop half of its backlog
@@ -237,14 +240,23 @@ static int fq_codel_enqueue(struct sk_buff *skb, struct Qdisc *sch)
          */
         ret = fq_codel_drop(sch, q->drop_batch_size);
 
-        q->drop_overlimit += prev_qlen - sch->q.qlen;
+        prev_qlen -= sch->q.qlen;
+        prev_backlog -= sch->qstats.backlog;
+        q->drop_overlimit += prev_qlen;
         if (memory_limited)
-                q->drop_overmemory += prev_qlen - sch->q.qlen;
-        /* As we dropped packet(s), better let upper stack know this */
-        qdisc_tree_reduce_backlog(sch, prev_qlen - sch->q.qlen,
-                                  prev_backlog - sch->qstats.backlog);
+                q->drop_overmemory += prev_qlen;
 
-        return ret == idx ? NET_XMIT_CN : NET_XMIT_SUCCESS;
+        /* As we dropped packet(s), better let upper stack know this.
+         * If we dropped a packet for this flow, return NET_XMIT_CN,
+         * but in this case, our parents wont increase their backlogs.
+         */
+        if (ret == idx) {
+                qdisc_tree_reduce_backlog(sch, prev_qlen - 1,
+                                          prev_backlog - pkt_len);
+                return NET_XMIT_CN;
+        }
+        qdisc_tree_reduce_backlog(sch, prev_qlen, prev_backlog);
+        return NET_XMIT_SUCCESS;
 }
 
 /* This is the specific function called from codel_dequeue()
@@ -649,7 +661,7 @@ static int fq_codel_dump_class_stats(struct Qdisc *sch, unsigned long cl,
                 qs.backlog = q->backlogs[idx];
                 qs.drops = flow->dropped;
         }
-        if (gnet_stats_copy_queue(d, NULL, &qs, 0) < 0)
+        if (gnet_stats_copy_queue(d, NULL, &qs, qs.qlen) < 0)
                 return -1;
         if (idx < q->flows_cnt)
                 return gnet_stats_copy_app(d, &xstats, sizeof(xstats));
diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c
index 269dd71b3828..f9e0e9c03d0a 100644
--- a/net/sched/sch_generic.c
+++ b/net/sched/sch_generic.c
@@ -49,6 +49,7 @@ static inline int dev_requeue_skb(struct sk_buff *skb, struct Qdisc *q)
 {
         q->gso_skb = skb;
         q->qstats.requeues++;
+        qdisc_qstats_backlog_inc(q, skb);
         q->q.qlen++;    /* it's still part of the queue */
         __netif_schedule(q);
 
@@ -92,6 +93,7 @@ static struct sk_buff *dequeue_skb(struct Qdisc *q, bool *validate,
                 txq = skb_get_tx_queue(txq->dev, skb);
                 if (!netif_xmit_frozen_or_stopped(txq)) {
                         q->gso_skb = NULL;
+                        qdisc_qstats_backlog_dec(q, skb);
                         q->q.qlen--;
                 } else
                         skb = NULL;
diff --git a/net/sched/sch_hfsc.c b/net/sched/sch_hfsc.c
index d783d7cc3348..1ac9f9f03fe3 100644
--- a/net/sched/sch_hfsc.c
+++ b/net/sched/sch_hfsc.c
@@ -1529,6 +1529,7 @@ hfsc_reset_qdisc(struct Qdisc *sch)
         q->eligible = RB_ROOT;
         INIT_LIST_HEAD(&q->droplist);
         qdisc_watchdog_cancel(&q->watchdog);
+        sch->qstats.backlog = 0;
         sch->q.qlen = 0;
 }
 
@@ -1559,14 +1560,6 @@ hfsc_dump_qdisc(struct Qdisc *sch, struct sk_buff *skb)
         struct hfsc_sched *q = qdisc_priv(sch);
         unsigned char *b = skb_tail_pointer(skb);
         struct tc_hfsc_qopt qopt;
-        struct hfsc_class *cl;
-        unsigned int i;
-
-        sch->qstats.backlog = 0;
-        for (i = 0; i < q->clhash.hashsize; i++) {
-                hlist_for_each_entry(cl, &q->clhash.hash[i], cl_common.hnode)
-                        sch->qstats.backlog += cl->qdisc->qstats.backlog;
-        }
 
         qopt.defcls = q->defcls;
         if (nla_put(skb, TCA_OPTIONS, sizeof(qopt), &qopt))
@@ -1604,6 +1597,7 @@ hfsc_enqueue(struct sk_buff *skb, struct Qdisc *sch)
         if (cl->qdisc->q.qlen == 1)
                 set_active(cl, qdisc_pkt_len(skb));
 
+        qdisc_qstats_backlog_inc(sch, skb);
         sch->q.qlen++;
 
         return NET_XMIT_SUCCESS;
@@ -1672,6 +1666,7 @@ hfsc_dequeue(struct Qdisc *sch)
 
         qdisc_unthrottled(sch);
         qdisc_bstats_update(sch, skb);
+        qdisc_qstats_backlog_dec(sch, skb);
         sch->q.qlen--;
 
         return skb;
@@ -1695,6 +1690,7 @@ hfsc_drop(struct Qdisc *sch)
                         }
                         cl->qstats.drops++;
                         qdisc_qstats_drop(sch);
+                        sch->qstats.backlog -= len;
                         sch->q.qlen--;
                         return len;
                 }
diff --git a/net/sched/sch_ingress.c b/net/sched/sch_ingress.c
index 10adbc617905..8fe6999b642a 100644
--- a/net/sched/sch_ingress.c
+++ b/net/sched/sch_ingress.c
@@ -27,6 +27,11 @@ static unsigned long ingress_get(struct Qdisc *sch, u32 classid)
         return TC_H_MIN(classid) + 1;
 }
 
+static bool ingress_cl_offload(u32 classid)
+{
+        return true;
+}
+
 static unsigned long ingress_bind_filter(struct Qdisc *sch,
                                          unsigned long parent, u32 classid)
 {
@@ -86,6 +91,7 @@ static const struct Qdisc_class_ops ingress_class_ops = {
         .put            =       ingress_put,
         .walk           =       ingress_walk,
         .tcf_chain      =       ingress_find_tcf,
+        .tcf_cl_offload =       ingress_cl_offload,
         .bind_tcf       =       ingress_bind_filter,
         .unbind_tcf     =       ingress_put,
 };
@@ -110,6 +116,11 @@ static unsigned long clsact_get(struct Qdisc *sch, u32 classid)
         }
 }
 
+static bool clsact_cl_offload(u32 classid)
+{
+        return TC_H_MIN(classid) == TC_H_MIN(TC_H_MIN_INGRESS);
+}
+
 static unsigned long clsact_bind_filter(struct Qdisc *sch,
                                         unsigned long parent, u32 classid)
 {
@@ -158,6 +169,7 @@ static const struct Qdisc_class_ops clsact_class_ops = {
         .put            =       ingress_put,
         .walk           =       ingress_walk,
         .tcf_chain      =       clsact_find_tcf,
+        .tcf_cl_offload =       clsact_cl_offload,
         .bind_tcf       =       clsact_bind_filter,
         .unbind_tcf     =       ingress_put,
 };
diff --git a/net/sched/sch_prio.c b/net/sched/sch_prio.c
index fee1b15506b2..4b0a82191bc4 100644
--- a/net/sched/sch_prio.c
+++ b/net/sched/sch_prio.c
@@ -85,6 +85,7 @@ prio_enqueue(struct sk_buff *skb, struct Qdisc *sch)
 
         ret = qdisc_enqueue(skb, qdisc);
         if (ret == NET_XMIT_SUCCESS) {
+                qdisc_qstats_backlog_inc(sch, skb);
                 sch->q.qlen++;
                 return NET_XMIT_SUCCESS;
         }
@@ -117,6 +118,7 @@ static struct sk_buff *prio_dequeue(struct Qdisc *sch)
                 struct sk_buff *skb = qdisc_dequeue_peeked(qdisc);
                 if (skb) {
                         qdisc_bstats_update(sch, skb);
+                        qdisc_qstats_backlog_dec(sch, skb);
                         sch->q.qlen--;
                         return skb;
                 }
@@ -135,6 +137,7 @@ static unsigned int prio_drop(struct Qdisc *sch)
         for (prio = q->bands-1; prio >= 0; prio--) {
                 qdisc = q->queues[prio];
                 if (qdisc->ops->drop && (len = qdisc->ops->drop(qdisc)) != 0) {
+                        sch->qstats.backlog -= len;
                         sch->q.qlen--;
                         return len;
                 }
@@ -151,6 +154,7 @@ prio_reset(struct Qdisc *sch)
 
         for (prio = 0; prio < q->bands; prio++)
                 qdisc_reset(q->queues[prio]);
+        sch->qstats.backlog = 0;
         sch->q.qlen = 0;
 }
 
diff --git a/net/sched/sch_qfq.c b/net/sched/sch_qfq.c
index 8d2d8d953432..f18857febdad 100644
--- a/net/sched/sch_qfq.c
+++ b/net/sched/sch_qfq.c
@@ -1235,8 +1235,10 @@ static int qfq_enqueue(struct sk_buff *skb, struct Qdisc *sch)
                          cl->agg->lmax, qdisc_pkt_len(skb), cl->common.classid);
                 err = qfq_change_agg(sch, cl, cl->agg->class_weight,
                                      qdisc_pkt_len(skb));
-                if (err)
-                        return err;
+                if (err) {
+                        cl->qstats.drops++;
+                        return qdisc_drop(skb, sch);
+                }
         }
 
         err = qdisc_enqueue(skb, cl->qdisc);
diff --git a/net/sched/sch_red.c b/net/sched/sch_red.c
index 8c0508c0e287..91578bdd378c 100644
--- a/net/sched/sch_red.c
+++ b/net/sched/sch_red.c
@@ -97,6 +97,7 @@ static int red_enqueue(struct sk_buff *skb, struct Qdisc *sch)
 
         ret = qdisc_enqueue(skb, child);
         if (likely(ret == NET_XMIT_SUCCESS)) {
+                qdisc_qstats_backlog_inc(sch, skb);
                 sch->q.qlen++;
         } else if (net_xmit_drop_count(ret)) {
                 q->stats.pdrop++;
@@ -118,6 +119,7 @@ static struct sk_buff *red_dequeue(struct Qdisc *sch)
         skb = child->dequeue(child);
         if (skb) {
                 qdisc_bstats_update(sch, skb);
+                qdisc_qstats_backlog_dec(sch, skb);
                 sch->q.qlen--;
         } else {
                 if (!red_is_idling(&q->vars))
@@ -143,6 +145,7 @@ static unsigned int red_drop(struct Qdisc *sch)
         if (child->ops->drop && (len = child->ops->drop(child)) > 0) {
                 q->stats.other++;
                 qdisc_qstats_drop(sch);
+                sch->qstats.backlog -= len;
                 sch->q.qlen--;
                 return len;
         }
@@ -158,6 +161,7 @@ static void red_reset(struct Qdisc *sch)
         struct red_sched_data *q = qdisc_priv(sch);
 
         qdisc_reset(q->qdisc);
+        sch->qstats.backlog = 0;
         sch->q.qlen = 0;
         red_restart(&q->vars);
 }
diff --git a/net/sched/sch_tbf.c b/net/sched/sch_tbf.c
index 83b90b584fae..3161e491990b 100644
--- a/net/sched/sch_tbf.c
+++ b/net/sched/sch_tbf.c
@@ -207,6 +207,7 @@ static int tbf_enqueue(struct sk_buff *skb, struct Qdisc *sch)
                 return ret;
         }
 
+        qdisc_qstats_backlog_inc(sch, skb);
         sch->q.qlen++;
         return NET_XMIT_SUCCESS;
 }
@@ -217,6 +218,7 @@ static unsigned int tbf_drop(struct Qdisc *sch)
         unsigned int len = 0;
 
         if (q->qdisc->ops->drop && (len = q->qdisc->ops->drop(q->qdisc)) != 0) {
+                sch->qstats.backlog -= len;
                 sch->q.qlen--;
                 qdisc_qstats_drop(sch);
         }
@@ -263,6 +265,7 @@ static struct sk_buff *tbf_dequeue(struct Qdisc *sch)
                         q->t_c = now;
                         q->tokens = toks;
                         q->ptokens = ptoks;
+                        qdisc_qstats_backlog_dec(sch, skb);
                         sch->q.qlen--;
                         qdisc_unthrottled(sch);
                         qdisc_bstats_update(sch, skb);
@@ -294,6 +297,7 @@ static void tbf_reset(struct Qdisc *sch)
         struct tbf_sched_data *q = qdisc_priv(sch);
 
         qdisc_reset(q->qdisc);
+        sch->qstats.backlog = 0;
         sch->q.qlen = 0;
         q->t_c = ktime_get_ns();
         q->tokens = q->buffer;
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index 06b4df9faaa1..2808d550d273 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -446,16 +446,27 @@ out_no_rpciod:
         return ERR_PTR(err);
 }
 
-struct rpc_clnt *rpc_create_xprt(struct rpc_create_args *args,
+static struct rpc_clnt *rpc_create_xprt(struct rpc_create_args *args,
                                         struct rpc_xprt *xprt)
 {
         struct rpc_clnt *clnt = NULL;
         struct rpc_xprt_switch *xps;
 
-        xps = xprt_switch_alloc(xprt, GFP_KERNEL);
-        if (xps == NULL)
-                return ERR_PTR(-ENOMEM);
-
+        if (args->bc_xprt && args->bc_xprt->xpt_bc_xps) {
+                WARN_ON(args->protocol != XPRT_TRANSPORT_BC_TCP);
+                xps = args->bc_xprt->xpt_bc_xps;
+                xprt_switch_get(xps);
+        } else {
+                xps = xprt_switch_alloc(xprt, GFP_KERNEL);
+                if (xps == NULL) {
+                        xprt_put(xprt);
+                        return ERR_PTR(-ENOMEM);
+                }
+                if (xprt->bc_xprt) {
+                        xprt_switch_get(xps);
+                        xprt->bc_xprt->xpt_bc_xps = xps;
+                }
+        }
         clnt = rpc_new_client(args, xps, xprt, NULL);
         if (IS_ERR(clnt))
                 return clnt;
@@ -483,7 +494,6 @@ struct rpc_clnt *rpc_create_xprt(struct rpc_create_args *args,
 
         return clnt;
 }
-EXPORT_SYMBOL_GPL(rpc_create_xprt);
 
 /**
  * rpc_create - create an RPC client and transport with one call
@@ -509,6 +519,15 @@ struct rpc_clnt *rpc_create(struct rpc_create_args *args)
         };
         char servername[48];
 
+        if (args->bc_xprt) {
+                WARN_ON(args->protocol != XPRT_TRANSPORT_BC_TCP);
+                xprt = args->bc_xprt->xpt_bc_xprt;
+                if (xprt) {
+                        xprt_get(xprt);
+                        return rpc_create_xprt(args, xprt);
+                }
+        }
+
         if (args->flags & RPC_CLNT_CREATE_INFINITE_SLOTS)
                 xprtargs.flags |= XPRT_CREATE_INFINITE_SLOTS;
         if (args->flags & RPC_CLNT_CREATE_NO_IDLE_TIMEOUT)
diff --git a/net/sunrpc/svc_xprt.c b/net/sunrpc/svc_xprt.c
index f5572e31d518..4f01f63102ee 100644
--- a/net/sunrpc/svc_xprt.c
+++ b/net/sunrpc/svc_xprt.c
@@ -136,6 +136,8 @@ static void svc_xprt_free(struct kref *kref)
         /* See comment on corresponding get in xs_setup_bc_tcp(): */
         if (xprt->xpt_bc_xprt)
                 xprt_put(xprt->xpt_bc_xprt);
+        if (xprt->xpt_bc_xps)
+                xprt_switch_put(xprt->xpt_bc_xps);
         xprt->xpt_ops->xpo_free(xprt);
         module_put(owner);
 }
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index 2d3e0c42361e..7e2b2fa189c3 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -3057,6 +3057,7 @@ static struct rpc_xprt *xs_setup_bc_tcp(struct xprt_create *args)
                 return xprt;
 
         args->bc_xprt->xpt_bc_xprt = NULL;
+        args->bc_xprt->xpt_bc_xps = NULL;
         xprt_put(xprt);
         ret = ERR_PTR(-EINVAL);
 out_err:
diff --git a/net/tipc/netlink_compat.c b/net/tipc/netlink_compat.c
index f795b1dd0ccd..3ad9fab1985f 100644
--- a/net/tipc/netlink_compat.c
+++ b/net/tipc/netlink_compat.c
@@ -604,7 +604,8 @@ static int tipc_nl_compat_link_dump(struct tipc_nl_compat_msg *msg,
 
         link_info.dest = nla_get_flag(link[TIPC_NLA_LINK_DEST]);
         link_info.up = htonl(nla_get_flag(link[TIPC_NLA_LINK_UP]));
-        strcpy(link_info.str, nla_data(link[TIPC_NLA_LINK_NAME]));
+        nla_strlcpy(link_info.str, nla_data(link[TIPC_NLA_LINK_NAME]),
+                    TIPC_MAX_LINK_NAME);
 
         return tipc_add_tlv(msg->rep, TIPC_TLV_LINK_INFO,
                             &link_info, sizeof(link_info));
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index 80aa6a3e6817..735362c26c8e 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -315,7 +315,7 @@ static struct sock *unix_find_socket_byinode(struct inode *i)
                     &unix_socket_table[i->i_ino & (UNIX_HASH_SIZE - 1)]) {
                 struct dentry *dentry = unix_sk(s)->path.dentry;
 
-                if (dentry && d_backing_inode(dentry) == i) {
+                if (dentry && d_real_inode(dentry) == i) {
                         sock_hold(s);
                         goto found;
                 }
@@ -911,7 +911,7 @@ static struct sock *unix_find_other(struct net *net,
                 err = kern_path(sunname->sun_path, LOOKUP_FOLLOW, &path);
                 if (err)
                         goto fail;
-                inode = d_backing_inode(path.dentry);
+                inode = d_real_inode(path.dentry);
                 err = inode_permission(inode, MAY_WRITE);
                 if (err)
                         goto put_fail;
@@ -1048,7 +1048,7 @@ static int unix_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
                         goto out_up;
                 }
                 addr->hash = UNIX_HASH_SIZE;
-                hash = d_backing_inode(dentry)->i_ino & (UNIX_HASH_SIZE - 1);
+                hash = d_real_inode(dentry)->i_ino & (UNIX_HASH_SIZE - 1);
                 spin_lock(&unix_table_lock);
                 u->path = u_path;
                 list = &unix_socket_table[hash];
diff --git a/net/wireless/core.c b/net/wireless/core.c
index d25c82bc1bbe..ecca3896b9f7 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -363,8 +363,6 @@ struct wiphy *wiphy_new_nm(const struct cfg80211_ops *ops, int sizeof_priv,
         WARN_ON(ops->remain_on_channel && !ops->cancel_remain_on_channel);
         WARN_ON(ops->tdls_channel_switch && !ops->tdls_cancel_channel_switch);
         WARN_ON(ops->add_tx_ts && !ops->del_tx_ts);
-        WARN_ON(ops->set_tx_power && !ops->get_tx_power);
-        WARN_ON(ops->set_antenna && !ops->get_antenna);
 
         alloc_size = sizeof(*rdev) + sizeof_priv;
 
diff --git a/net/wireless/wext-core.c b/net/wireless/wext-core.c
index 6250b1cfcde5..dbb2738e356a 100644
--- a/net/wireless/wext-core.c
+++ b/net/wireless/wext-core.c
@@ -958,8 +958,29 @@ static int wireless_process_ioctl(struct net *net, struct ifreq *ifr,
                         return private(dev, iwr, cmd, info, handler);
         }
         /* Old driver API : call driver ioctl handler */
-        if (dev->netdev_ops->ndo_do_ioctl)
-                return dev->netdev_ops->ndo_do_ioctl(dev, ifr, cmd);
+        if (dev->netdev_ops->ndo_do_ioctl) {
+#ifdef CONFIG_COMPAT
+                if (info->flags & IW_REQUEST_FLAG_COMPAT) {
+                        int ret = 0;
+                        struct iwreq iwr_lcl;
+                        struct compat_iw_point *iwp_compat = (void *) &iwr->u.data;
+
+                        memcpy(&iwr_lcl, iwr, sizeof(struct iwreq));
+                        iwr_lcl.u.data.pointer = compat_ptr(iwp_compat->pointer);
+                        iwr_lcl.u.data.length = iwp_compat->length;
+                        iwr_lcl.u.data.flags = iwp_compat->flags;
+
+                        ret = dev->netdev_ops->ndo_do_ioctl(dev, (void *) &iwr_lcl, cmd);
+
+                        iwp_compat->pointer = ptr_to_compat(iwr_lcl.u.data.pointer);
+                        iwp_compat->length = iwr_lcl.u.data.length;
+                        iwp_compat->flags = iwr_lcl.u.data.flags;
+
+                        return ret;
+                } else
+#endif
+                        return dev->netdev_ops->ndo_do_ioctl(dev, ifr, cmd);
+        }
         return -EOPNOTSUPP;
 }