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

Pull networking fixes from David Miller:

 1) Handle init flow failures properly in iwlwifi driver, from Shahar S
    Matityahu.

 2) mac80211 TXQs need to be unscheduled on powersave start, from Felix
    Fietkau.

 3) SKB memory accounting fix in A-MDSU aggregation, from Felix Fietkau.

 4) Increase RCU lock hold time in mlx5 FPGA code, from Saeed Mahameed.

 5) Avoid checksum complete with XDP in mlx5, also from Saeed.

 6) Fix netdev feature clobbering in ibmvnic driver, from Thomas Falcon.

 7) Partial sent TLS record leak fix from Jakub Kicinski.

 8) Reject zero size iova range in vhost, from Jason Wang.

 9) Allow pending work to complete before clcsock release from Karsten
    Graul.

10) Fix XDP handling max MTU in thunderx, from Matteo Croce.

11) A lot of protocols look at the sa_family field of a sockaddr before
    validating it's length is large enough, from Tetsuo Handa.

12) Don't write to free'd pointer in qede ptp error path, from Colin Ian
    King.

13) Have to recompile IP options in ipv4_link_failure because it can be
    invoked from ARP, from Stephen Suryaputra.

14) Doorbell handling fixes in qed from Denis Bolotin.

15) Revert net-sysfs kobject register leak fix, it causes new problems.
    From Wang Hai.

16) Spectre v1 fix in ATM code, from Gustavo A. R. Silva.

17) Fix put of BROPT_VLAN_STATS_PER_PORT in bridging code, from Nikolay
    Aleksandrov.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (111 commits)
  socket: fix compat SO_RCVTIMEO_NEW/SO_SNDTIMEO_NEW
  tcp: tcp_grow_window() needs to respect tcp_space()
  ocelot: Clean up stats update deferred work
  ocelot: Don't sleep in atomic context (irqs_disabled())
  net: bridge: fix netlink export of vlan_stats_per_port option
  qed: fix spelling mistake "faspath" -> "fastpath"
  tipc: set sysctl_tipc_rmem and named_timeout right range
  tipc: fix link established but not in session
  net: Fix missing meta data in skb with vlan packet
  net: atm: Fix potential Spectre v1 vulnerabilities
  net/core: work around section mismatch warning for ptp_classifier
  net: bridge: fix per-port af_packet sockets
  bnx2x: fix spelling mistake "dicline" -> "decline"
  route: Avoid crash from dereferencing NULL rt->from
  MAINTAINERS: normalize Woojung Huh's email address
  bonding: fix event handling for stacked bonds
  Revert "net-sysfs: Fix memory leak in netdev_register_kobject"
  rtnetlink: fix rtnl_valid_stats_req() nlmsg_len check
  qed: Fix the DORQ's attentions handling
  qed: Fix missing DORQ attentions
  ...

56 files changed, 451 insertions, 220 deletions

diff --git a/net/atm/lec.c b/net/atm/lec.c
index d7f5cf5b7594..ad4f829193f0 100644
--- a/net/atm/lec.c
+++ b/net/atm/lec.c
@@ -710,7 +710,10 @@ static int lec_vcc_attach(struct atm_vcc *vcc, void __user *arg)
 
 static int lec_mcast_attach(struct atm_vcc *vcc, int arg)
 {
-        if (arg < 0 || arg >= MAX_LEC_ITF || !dev_lec[arg])
+        if (arg < 0 || arg >= MAX_LEC_ITF)
+                return -EINVAL;
+        arg = array_index_nospec(arg, MAX_LEC_ITF);
+        if (!dev_lec[arg])
                 return -EINVAL;
         vcc->proto_data = dev_lec[arg];
         return lec_mcast_make(netdev_priv(dev_lec[arg]), vcc);
@@ -728,6 +731,7 @@ static int lecd_attach(struct atm_vcc *vcc, int arg)
                 i = arg;
         if (arg >= MAX_LEC_ITF)
                 return -EINVAL;
+        i = array_index_nospec(arg, MAX_LEC_ITF);
         if (!dev_lec[i]) {
                 int size;
 
diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c
index 9a580999ca57..d892b7c3cc42 100644
--- a/net/bluetooth/sco.c
+++ b/net/bluetooth/sco.c
@@ -523,12 +523,12 @@ static int sco_sock_bind(struct socket *sock, struct sockaddr *addr,
         struct sock *sk = sock->sk;
         int err = 0;
 
-        BT_DBG("sk %p %pMR", sk, &sa->sco_bdaddr);
-
         if (!addr || addr_len < sizeof(struct sockaddr_sco) ||
             addr->sa_family != AF_BLUETOOTH)
                 return -EINVAL;
 
+        BT_DBG("sk %p %pMR", sk, &sa->sco_bdaddr);
+
         lock_sock(sk);
 
         if (sk->sk_state != BT_OPEN) {
diff --git a/net/bridge/br_input.c b/net/bridge/br_input.c
index 5ea7e56119c1..ba303ee99b9b 100644
--- a/net/bridge/br_input.c
+++ b/net/bridge/br_input.c
@@ -197,13 +197,10 @@ static void __br_handle_local_finish(struct sk_buff *skb)
 /* note: already called with rcu_read_lock */
 static int br_handle_local_finish(struct net *net, struct sock *sk, struct sk_buff *skb)
 {
-        struct net_bridge_port *p = br_port_get_rcu(skb->dev);
-
         __br_handle_local_finish(skb);
 
-        BR_INPUT_SKB_CB(skb)->brdev = p->br->dev;
-        br_pass_frame_up(skb);
-        return 0;
+        /* return 1 to signal the okfn() was called so it's ok to use the skb */
+        return 1;
 }
 
 /*
@@ -280,10 +277,18 @@ rx_handler_result_t br_handle_frame(struct sk_buff **pskb)
                                 goto forward;
                 }
 
-                /* Deliver packet to local host only */
-                NF_HOOK(NFPROTO_BRIDGE, NF_BR_LOCAL_IN, dev_net(skb->dev),
-                        NULL, skb, skb->dev, NULL, br_handle_local_finish);
-                return RX_HANDLER_CONSUMED;
+                /* The else clause should be hit when nf_hook():
+                 *   - returns < 0 (drop/error)
+                 *   - returns = 0 (stolen/nf_queue)
+                 * Thus return 1 from the okfn() to signal the skb is ok to pass
+                 */
+                if (NF_HOOK(NFPROTO_BRIDGE, NF_BR_LOCAL_IN,
+                            dev_net(skb->dev), NULL, skb, skb->dev, NULL,
+                            br_handle_local_finish) == 1) {
+                        return RX_HANDLER_PASS;
+                } else {
+                        return RX_HANDLER_CONSUMED;
+                }
         }
 
 forward:
diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index 02da21d771c9..45e7f4173bba 100644
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -2031,7 +2031,8 @@ static void br_multicast_start_querier(struct net_bridge *br,
 
         __br_multicast_open(br, query);
 
-        list_for_each_entry(port, &br->port_list, list) {
+        rcu_read_lock();
+        list_for_each_entry_rcu(port, &br->port_list, list) {
                 if (port->state == BR_STATE_DISABLED ||
                     port->state == BR_STATE_BLOCKING)
                         continue;
@@ -2043,6 +2044,7 @@ static void br_multicast_start_querier(struct net_bridge *br,
                         br_multicast_enable(&port->ip6_own_query);
 #endif
         }
+        rcu_read_unlock();
 }
 
 int br_multicast_toggle(struct net_bridge *br, unsigned long val)
diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c
index 9c07591b0232..7104cf13da84 100644
--- a/net/bridge/br_netlink.c
+++ b/net/bridge/br_netlink.c
@@ -1441,7 +1441,7 @@ static int br_fill_info(struct sk_buff *skb, const struct net_device *brdev)
             nla_put_u8(skb, IFLA_BR_VLAN_STATS_ENABLED,
                        br_opt_get(br, BROPT_VLAN_STATS_ENABLED)) ||
             nla_put_u8(skb, IFLA_BR_VLAN_STATS_PER_PORT,
-                       br_opt_get(br, IFLA_BR_VLAN_STATS_PER_PORT)))
+                       br_opt_get(br, BROPT_VLAN_STATS_PER_PORT)))
                 return -EMSGSIZE;
 #endif
 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING
diff --git a/net/core/dev.c b/net/core/dev.c
index fdcff29df915..f409406254dd 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1184,7 +1184,21 @@ int dev_change_name(struct net_device *dev, const char *newname)
         BUG_ON(!dev_net(dev));
 
         net = dev_net(dev);
-        if (dev->flags & IFF_UP)
+
+        /* Some auto-enslaved devices e.g. failover slaves are
+         * special, as userspace might rename the device after
+         * the interface had been brought up and running since
+         * the point kernel initiated auto-enslavement. Allow
+         * live name change even when these slave devices are
+         * up and running.
+         *
+         * Typically, users of these auto-enslaving devices
+         * don't actually care about slave name change, as
+         * they are supposed to operate on master interface
+         * directly.
+         */
+        if (dev->flags & IFF_UP &&
+            likely(!(dev->priv_flags & IFF_LIVE_RENAME_OK)))
                 return -EBUSY;
 
         write_seqcount_begin(&devnet_rename_seq);
diff --git a/net/core/failover.c b/net/core/failover.c
index 4a92a98ccce9..b5cd3c727285 100644
--- a/net/core/failover.c
+++ b/net/core/failover.c
@@ -80,14 +80,14 @@ static int failover_slave_register(struct net_device *slave_dev)
                 goto err_upper_link;
         }
 
-        slave_dev->priv_flags |= IFF_FAILOVER_SLAVE;
+        slave_dev->priv_flags |= (IFF_FAILOVER_SLAVE | IFF_LIVE_RENAME_OK);
 
         if (fops && fops->slave_register &&
             !fops->slave_register(slave_dev, failover_dev))
                 return NOTIFY_OK;
 
         netdev_upper_dev_unlink(slave_dev, failover_dev);
-        slave_dev->priv_flags &= ~IFF_FAILOVER_SLAVE;
+        slave_dev->priv_flags &= ~(IFF_FAILOVER_SLAVE | IFF_LIVE_RENAME_OK);
 err_upper_link:
         netdev_rx_handler_unregister(slave_dev);
 done:
@@ -121,7 +121,7 @@ int failover_slave_unregister(struct net_device *slave_dev)
 
         netdev_rx_handler_unregister(slave_dev);
         netdev_upper_dev_unlink(slave_dev, failover_dev);
-        slave_dev->priv_flags &= ~IFF_FAILOVER_SLAVE;
+        slave_dev->priv_flags &= ~(IFF_FAILOVER_SLAVE | IFF_LIVE_RENAME_OK);
 
         if (fops && fops->slave_unregister &&
             !fops->slave_unregister(slave_dev, failover_dev))
diff --git a/net/core/filter.c b/net/core/filter.c
index fc92ebc4e200..27e61ffd9039 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -4383,6 +4383,8 @@ BPF_CALL_3(bpf_bind, struct bpf_sock_addr_kern *, ctx, struct sockaddr *, addr,
          * Only binding to IP is supported.
          */
         err = -EINVAL;
+        if (addr_len < offsetofend(struct sockaddr, sa_family))
+                return err;
         if (addr->sa_family == AF_INET) {
                 if (addr_len < sizeof(struct sockaddr_in))
                         return err;
diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
index f8f94303a1f5..8f8b7b6c2945 100644
--- a/net/core/net-sysfs.c
+++ b/net/core/net-sysfs.c
@@ -1747,20 +1747,16 @@ int netdev_register_kobject(struct net_device *ndev)
 
         error = device_add(dev);
         if (error)
-                goto error_put_device;
+                return error;
 
         error = register_queue_kobjects(ndev);
-        if (error)
-                goto error_device_del;
+        if (error) {
+                device_del(dev);
+                return error;
+        }
 
         pm_runtime_set_memalloc_noio(dev, true);
 
-        return 0;
-
-error_device_del:
-        device_del(dev);
-error_put_device:
-        put_device(dev);
         return error;
 }
 
diff --git a/net/core/ptp_classifier.c b/net/core/ptp_classifier.c
index 703cf76aa7c2..7109c168b5e0 100644
--- a/net/core/ptp_classifier.c
+++ b/net/core/ptp_classifier.c
@@ -185,9 +185,10 @@ void __init ptp_classifier_init(void)
                 { 0x16,  0,  0, 0x00000000 },
                 { 0x06,  0,  0, 0x00000000 },
         };
-        struct sock_fprog_kern ptp_prog = {
-                .len = ARRAY_SIZE(ptp_filter), .filter = ptp_filter,
-        };
+        struct sock_fprog_kern ptp_prog;
+
+        ptp_prog.len = ARRAY_SIZE(ptp_filter);
+        ptp_prog.filter = ptp_filter;
 
         BUG_ON(bpf_prog_create(&ptp_insns, &ptp_prog));
 }
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index a51cab95ba64..220c56e93659 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -4948,7 +4948,7 @@ static int rtnl_valid_stats_req(const struct nlmsghdr *nlh, bool strict_check,
 {
         struct if_stats_msg *ifsm;
 
-        if (nlh->nlmsg_len < sizeof(*ifsm)) {
+        if (nlh->nlmsg_len < nlmsg_msg_size(sizeof(*ifsm))) {
                 NL_SET_ERR_MSG(extack, "Invalid header for stats dump");
                 return -EINVAL;
         }
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index ef2cd5712098..40796b8bf820 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -5083,7 +5083,8 @@ EXPORT_SYMBOL_GPL(skb_gso_validate_mac_len);
 
 static struct sk_buff *skb_reorder_vlan_header(struct sk_buff *skb)
 {
-        int mac_len;
+        int mac_len, meta_len;
+        void *meta;
 
         if (skb_cow(skb, skb_headroom(skb)) < 0) {
                 kfree_skb(skb);
@@ -5095,6 +5096,13 @@ static struct sk_buff *skb_reorder_vlan_header(struct sk_buff *skb)
                 memmove(skb_mac_header(skb) + VLAN_HLEN, skb_mac_header(skb),
                         mac_len - VLAN_HLEN - ETH_TLEN);
         }
+
+        meta_len = skb_metadata_len(skb);
+        if (meta_len) {
+                meta = skb_metadata_end(skb) - meta_len;
+                memmove(meta + VLAN_HLEN, meta, meta_len);
+        }
+
         skb->mac_header += VLAN_HLEN;
         return skb;
 }
diff --git a/net/core/sock.c b/net/core/sock.c
index 782343bb925b..067878a1e4c5 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -348,7 +348,7 @@ static int sock_get_timeout(long timeo, void *optval, bool old_timeval)
                 tv.tv_usec = ((timeo % HZ) * USEC_PER_SEC) / HZ;
         }
 
-        if (in_compat_syscall() && !COMPAT_USE_64BIT_TIME) {
+        if (old_timeval && in_compat_syscall() && !COMPAT_USE_64BIT_TIME) {
                 struct old_timeval32 tv32 = { tv.tv_sec, tv.tv_usec };
                 *(struct old_timeval32 *)optval = tv32;
                 return sizeof(tv32);
@@ -372,7 +372,7 @@ static int sock_set_timeout(long *timeo_p, char __user *optval, int optlen, bool
 {
         struct __kernel_sock_timeval tv;
 
-        if (in_compat_syscall() && !COMPAT_USE_64BIT_TIME) {
+        if (old_timeval && in_compat_syscall() && !COMPAT_USE_64BIT_TIME) {
                 struct old_timeval32 tv32;
 
                 if (optlen < sizeof(tv32))
diff --git a/net/ipv4/fou.c b/net/ipv4/fou.c
index 79e98e21cdd7..12ce6c526d72 100644
--- a/net/ipv4/fou.c
+++ b/net/ipv4/fou.c
@@ -121,6 +121,7 @@ static int gue_udp_recv(struct sock *sk, struct sk_buff *skb)
         struct guehdr *guehdr;
         void *data;
         u16 doffset = 0;
+        u8 proto_ctype;
 
         if (!fou)
                 return 1;
@@ -212,13 +213,14 @@ static int gue_udp_recv(struct sock *sk, struct sk_buff *skb)
         if (unlikely(guehdr->control))
                 return gue_control_message(skb, guehdr);
 
+        proto_ctype = guehdr->proto_ctype;
         __skb_pull(skb, sizeof(struct udphdr) + hdrlen);
         skb_reset_transport_header(skb);
 
         if (iptunnel_pull_offloads(skb))
                 goto drop;
 
-        return -guehdr->proto_ctype;
+        return -proto_ctype;
 
 drop:
         kfree_skb(skb);
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index a5da63e5faa2..88ce038dd495 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1185,9 +1185,23 @@ static struct dst_entry *ipv4_dst_check(struct dst_entry *dst, u32 cookie)
 
 static void ipv4_link_failure(struct sk_buff *skb)
 {
+        struct ip_options opt;
         struct rtable *rt;
+        int res;
 
-        icmp_send(skb, ICMP_DEST_UNREACH, ICMP_HOST_UNREACH, 0);
+        /* Recompile ip options since IPCB may not be valid anymore.
+         */
+        memset(&opt, 0, sizeof(opt));
+        opt.optlen = ip_hdr(skb)->ihl*4 - sizeof(struct iphdr);
+
+        rcu_read_lock();
+        res = __ip_options_compile(dev_net(skb->dev), &opt, skb, NULL);
+        rcu_read_unlock();
+
+        if (res)
+                return;
+
+        __icmp_send(skb, ICMP_DEST_UNREACH, ICMP_HOST_UNREACH, 0, &opt);
 
         rt = skb_rtable(skb);
         if (rt)
diff --git a/net/ipv4/tcp_dctcp.c b/net/ipv4/tcp_dctcp.c
index 359da68d7c06..477cb4aa456c 100644
--- a/net/ipv4/tcp_dctcp.c
+++ b/net/ipv4/tcp_dctcp.c
@@ -49,9 +49,8 @@
 #define DCTCP_MAX_ALPHA 1024U
 
 struct dctcp {
-        u32 acked_bytes_ecn;
-        u32 acked_bytes_total;
-        u32 prior_snd_una;
+        u32 old_delivered;
+        u32 old_delivered_ce;
         u32 prior_rcv_nxt;
         u32 dctcp_alpha;
         u32 next_seq;
@@ -73,8 +72,8 @@ static void dctcp_reset(const struct tcp_sock *tp, struct dctcp *ca)
 {
         ca->next_seq = tp->snd_nxt;
 
-        ca->acked_bytes_ecn = 0;
-        ca->acked_bytes_total = 0;
+        ca->old_delivered = tp->delivered;
+        ca->old_delivered_ce = tp->delivered_ce;
 }
 
 static void dctcp_init(struct sock *sk)
@@ -86,7 +85,6 @@ static void dctcp_init(struct sock *sk)
              sk->sk_state == TCP_CLOSE)) {
                 struct dctcp *ca = inet_csk_ca(sk);
 
-                ca->prior_snd_una = tp->snd_una;
                 ca->prior_rcv_nxt = tp->rcv_nxt;
 
                 ca->dctcp_alpha = min(dctcp_alpha_on_init, DCTCP_MAX_ALPHA);
@@ -118,37 +116,25 @@ static void dctcp_update_alpha(struct sock *sk, u32 flags)
 {
         const struct tcp_sock *tp = tcp_sk(sk);
         struct dctcp *ca = inet_csk_ca(sk);
-        u32 acked_bytes = tp->snd_una - ca->prior_snd_una;
-
-        /* If ack did not advance snd_una, count dupack as MSS size.
-         * If ack did update window, do not count it at all.
-         */
-        if (acked_bytes == 0 && !(flags & CA_ACK_WIN_UPDATE))
-                acked_bytes = inet_csk(sk)->icsk_ack.rcv_mss;
-        if (acked_bytes) {
-                ca->acked_bytes_total += acked_bytes;
-                ca->prior_snd_una = tp->snd_una;
-
-                if (flags & CA_ACK_ECE)
-                        ca->acked_bytes_ecn += acked_bytes;
-        }
 
         /* Expired RTT */
         if (!before(tp->snd_una, ca->next_seq)) {
-                u64 bytes_ecn = ca->acked_bytes_ecn;
+                u32 delivered_ce = tp->delivered_ce - ca->old_delivered_ce;
                 u32 alpha = ca->dctcp_alpha;
 
                 /* alpha = (1 - g) * alpha + g * F */
 
                 alpha -= min_not_zero(alpha, alpha >> dctcp_shift_g);
-                if (bytes_ecn) {
+                if (delivered_ce) {
+                        u32 delivered = tp->delivered - ca->old_delivered;
+
                         /* If dctcp_shift_g == 1, a 32bit value would overflow
-                         * after 8 Mbytes.
+                         * after 8 M packets.
                          */
-                        bytes_ecn <<= (10 - dctcp_shift_g);
-                        do_div(bytes_ecn, max(1U, ca->acked_bytes_total));
+                        delivered_ce <<= (10 - dctcp_shift_g);
+                        delivered_ce /= max(1U, delivered);
 
-                        alpha = min(alpha + (u32)bytes_ecn, DCTCP_MAX_ALPHA);
+                        alpha = min(alpha + delivered_ce, DCTCP_MAX_ALPHA);
                 }
                 /* dctcp_alpha can be read from dctcp_get_info() without
                  * synchro, so we ask compiler to not use dctcp_alpha
@@ -200,6 +186,7 @@ static size_t dctcp_get_info(struct sock *sk, u32 ext, int *attr,
                              union tcp_cc_info *info)
 {
         const struct dctcp *ca = inet_csk_ca(sk);
+        const struct tcp_sock *tp = tcp_sk(sk);
 
         /* Fill it also in case of VEGASINFO due to req struct limits.
          * We can still correctly retrieve it later.
@@ -211,8 +198,10 @@ static size_t dctcp_get_info(struct sock *sk, u32 ext, int *attr,
                         info->dctcp.dctcp_enabled = 1;
                         info->dctcp.dctcp_ce_state = (u16) ca->ce_state;
                         info->dctcp.dctcp_alpha = ca->dctcp_alpha;
-                        info->dctcp.dctcp_ab_ecn = ca->acked_bytes_ecn;
-                        info->dctcp.dctcp_ab_tot = ca->acked_bytes_total;
+                        info->dctcp.dctcp_ab_ecn = tp->mss_cache *
+                                                   (tp->delivered_ce - ca->old_delivered_ce);
+                        info->dctcp.dctcp_ab_tot = tp->mss_cache *
+                                                   (tp->delivered - ca->old_delivered);
                 }
 
                 *attr = INET_DIAG_DCTCPINFO;
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 5def3c48870e..731d3045b50a 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -402,11 +402,12 @@ static int __tcp_grow_window(const struct sock *sk, const struct sk_buff *skb)
 static void tcp_grow_window(struct sock *sk, const struct sk_buff *skb)
 {
         struct tcp_sock *tp = tcp_sk(sk);
+        int room;
+
+        room = min_t(int, tp->window_clamp, tcp_space(sk)) - tp->rcv_ssthresh;
 
         /* Check #1 */
-        if (tp->rcv_ssthresh < tp->window_clamp &&
-            (int)tp->rcv_ssthresh < tcp_space(sk) &&
-            !tcp_under_memory_pressure(sk)) {
+        if (room > 0 && !tcp_under_memory_pressure(sk)) {
                 int incr;
 
                 /* Check #2. Increase window, if skb with such overhead
@@ -419,8 +420,7 @@ static void tcp_grow_window(struct sock *sk, const struct sk_buff *skb)
 
                 if (incr) {
                         incr = max_t(int, incr, 2 * skb->len);
-                        tp->rcv_ssthresh = min(tp->rcv_ssthresh + incr,
-                                               tp->window_clamp);
+                        tp->rcv_ssthresh += min(room, incr);
                         inet_csk(sk)->icsk_ack.quick |= 1;
                 }
         }
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 0302e0eb07af..7178e32eb15d 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -2330,6 +2330,10 @@ static void __ip6_rt_update_pmtu(struct dst_entry *dst, const struct sock *sk,
 
                 rcu_read_lock();
                 from = rcu_dereference(rt6->from);
+                if (!from) {
+                        rcu_read_unlock();
+                        return;
+                }
                 nrt6 = ip6_rt_cache_alloc(from, daddr, saddr);
                 if (nrt6) {
                         rt6_do_update_pmtu(nrt6, mtu);
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index b444483cdb2b..622eeaf5732b 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -1047,6 +1047,8 @@ static void udp_v6_flush_pending_frames(struct sock *sk)
 static int udpv6_pre_connect(struct sock *sk, struct sockaddr *uaddr,
                              int addr_len)
 {
+        if (addr_len < offsetofend(struct sockaddr, sa_family))
+                return -EINVAL;
         /* The following checks are replicated from __ip6_datagram_connect()
          * and intended to prevent BPF program called below from accessing
          * bytes that are out of the bound specified by user in addr_len.
diff --git a/net/llc/af_llc.c b/net/llc/af_llc.c
index b99e73a7e7e0..2017b7d780f5 100644
--- a/net/llc/af_llc.c
+++ b/net/llc/af_llc.c
@@ -320,14 +320,13 @@ static int llc_ui_bind(struct socket *sock, struct sockaddr *uaddr, int addrlen)
         struct llc_sap *sap;
         int rc = -EINVAL;
 
-        dprintk("%s: binding %02X\n", __func__, addr->sllc_sap);
-
         lock_sock(sk);
         if (unlikely(!sock_flag(sk, SOCK_ZAPPED) || addrlen != sizeof(*addr)))
                 goto out;
         rc = -EAFNOSUPPORT;
         if (unlikely(addr->sllc_family != AF_LLC))
                 goto out;
+        dprintk("%s: binding %02X\n", __func__, addr->sllc_sap);
         rc = -ENODEV;
         rcu_read_lock();
         if (sk->sk_bound_dev_if) {
diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h
index 28d022a3eee3..ae4f0be3b393 100644
--- a/net/mac80211/driver-ops.h
+++ b/net/mac80211/driver-ops.h
@@ -1195,6 +1195,9 @@ static inline void drv_wake_tx_queue(struct ieee80211_local *local,
 {
         struct ieee80211_sub_if_data *sdata = vif_to_sdata(txq->txq.vif);
 
+        if (local->in_reconfig)
+                return;
+
         if (!check_sdata_in_driver(sdata))
                 return;
 
diff --git a/net/mac80211/key.c b/net/mac80211/key.c
index 4700718e010f..37e372896230 100644
--- a/net/mac80211/key.c
+++ b/net/mac80211/key.c
@@ -167,8 +167,10 @@ static int ieee80211_key_enable_hw_accel(struct ieee80211_key *key)
                  * The driver doesn't know anything about VLAN interfaces.
                  * Hence, don't send GTKs for VLAN interfaces to the driver.
                  */
-                if (!(key->conf.flags & IEEE80211_KEY_FLAG_PAIRWISE))
+                if (!(key->conf.flags & IEEE80211_KEY_FLAG_PAIRWISE)) {
+                        ret = 1;
                         goto out_unsupported;
+                }
         }
 
         ret = drv_set_key(key->local, SET_KEY, sdata,
@@ -213,11 +215,8 @@ static int ieee80211_key_enable_hw_accel(struct ieee80211_key *key)
                 /* all of these we can do in software - if driver can */
                 if (ret == 1)
                         return 0;
-                if (ieee80211_hw_check(&key->local->hw, SW_CRYPTO_CONTROL)) {
-                        if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
-                                return 0;
+                if (ieee80211_hw_check(&key->local->hw, SW_CRYPTO_CONTROL))
                         return -EINVAL;
-                }
                 return 0;
         default:
                 return -EINVAL;
diff --git a/net/mac80211/mesh_pathtbl.c b/net/mac80211/mesh_pathtbl.c
index 95eb5064fa91..b76a2aefa9ec 100644
--- a/net/mac80211/mesh_pathtbl.c
+++ b/net/mac80211/mesh_pathtbl.c
@@ -23,7 +23,7 @@ static void mesh_path_free_rcu(struct mesh_table *tbl, struct mesh_path *mpath);
 static u32 mesh_table_hash(const void *addr, u32 len, u32 seed)
 {
         /* Use last four bytes of hw addr as hash index */
-        return jhash_1word(*(u32 *)(addr+2), seed);
+        return jhash_1word(__get_unaligned_cpu32((u8 *)addr + 2), seed);
 }
 
 static const struct rhashtable_params mesh_rht_params = {
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 7f8d93401ce0..bf0b187f994e 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -1568,7 +1568,15 @@ static void sta_ps_start(struct sta_info *sta)
                 return;
 
         for (tid = 0; tid < IEEE80211_NUM_TIDS; tid++) {
-                if (txq_has_queue(sta->sta.txq[tid]))
+                struct ieee80211_txq *txq = sta->sta.txq[tid];
+                struct txq_info *txqi = to_txq_info(txq);
+
+                spin_lock(&local->active_txq_lock[txq->ac]);
+                if (!list_empty(&txqi->schedule_order))
+                        list_del_init(&txqi->schedule_order);
+                spin_unlock(&local->active_txq_lock[txq->ac]);
+
+                if (txq_has_queue(txq))
                         set_bit(tid, &sta->txq_buffered_tids);
                 else
                         clear_bit(tid, &sta->txq_buffered_tids);
diff --git a/net/mac80211/trace_msg.h b/net/mac80211/trace_msg.h
index 366b9e6f043e..40141df09f25 100644
--- a/net/mac80211/trace_msg.h
+++ b/net/mac80211/trace_msg.h
@@ -1,4 +1,9 @@
 /* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Portions of this file
+ * Copyright (C) 2019 Intel Corporation
+ */
+
 #ifdef CONFIG_MAC80211_MESSAGE_TRACING
 
 #if !defined(__MAC80211_MSG_DRIVER_TRACE) || defined(TRACE_HEADER_MULTI_READ)
@@ -11,7 +16,7 @@
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM mac80211_msg
 
-#define MAX_MSG_LEN     100
+#define MAX_MSG_LEN     120
 
 DECLARE_EVENT_CLASS(mac80211_msg_event,
         TP_PROTO(struct va_format *vaf),
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 8a49a74c0a37..2e816dd67be7 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -3221,6 +3221,7 @@ static bool ieee80211_amsdu_aggregate(struct ieee80211_sub_if_data *sdata,
         u8 max_subframes = sta->sta.max_amsdu_subframes;
         int max_frags = local->hw.max_tx_fragments;
         int max_amsdu_len = sta->sta.max_amsdu_len;
+        int orig_truesize;
         __be16 len;
         void *data;
         bool ret = false;
@@ -3261,6 +3262,7 @@ static bool ieee80211_amsdu_aggregate(struct ieee80211_sub_if_data *sdata,
         if (!head || skb_is_gso(head))
                 goto out;
 
+        orig_truesize = head->truesize;
         orig_len = head->len;
 
         if (skb->len + head->len > max_amsdu_len)
@@ -3318,6 +3320,7 @@ static bool ieee80211_amsdu_aggregate(struct ieee80211_sub_if_data *sdata,
         *frag_tail = skb;
 
 out_recalc:
+        fq->memory_usage += head->truesize - orig_truesize;
         if (head->len != orig_len) {
                 flow->backlog += head->len - orig_len;
                 tin->backlog_bytes += head->len - orig_len;
@@ -3646,16 +3649,17 @@ EXPORT_SYMBOL(ieee80211_tx_dequeue);
 struct ieee80211_txq *ieee80211_next_txq(struct ieee80211_hw *hw, u8 ac)
 {
         struct ieee80211_local *local = hw_to_local(hw);
+        struct ieee80211_txq *ret = NULL;
         struct txq_info *txqi = NULL;
 
-        lockdep_assert_held(&local->active_txq_lock[ac]);
+        spin_lock_bh(&local->active_txq_lock[ac]);
 
  begin:
         txqi = list_first_entry_or_null(&local->active_txqs[ac],
                                         struct txq_info,
                                         schedule_order);
         if (!txqi)
-                return NULL;
+                goto out;
 
         if (txqi->txq.sta) {
                 struct sta_info *sta = container_of(txqi->txq.sta,
@@ -3672,24 +3676,30 @@ struct ieee80211_txq *ieee80211_next_txq(struct ieee80211_hw *hw, u8 ac)
 
 
         if (txqi->schedule_round == local->schedule_round[ac])
-                return NULL;
+                goto out;
 
         list_del_init(&txqi->schedule_order);
         txqi->schedule_round = local->schedule_round[ac];
-        return &txqi->txq;
+        ret = &txqi->txq;
+
+out:
+        spin_unlock_bh(&local->active_txq_lock[ac]);
+        return ret;
 }
 EXPORT_SYMBOL(ieee80211_next_txq);
 
-void ieee80211_return_txq(struct ieee80211_hw *hw,
-                          struct ieee80211_txq *txq)
+void __ieee80211_schedule_txq(struct ieee80211_hw *hw,
+                              struct ieee80211_txq *txq,
+                              bool force)
 {
         struct ieee80211_local *local = hw_to_local(hw);
         struct txq_info *txqi = to_txq_info(txq);
 
-        lockdep_assert_held(&local->active_txq_lock[txq->ac]);
+        spin_lock_bh(&local->active_txq_lock[txq->ac]);
 
         if (list_empty(&txqi->schedule_order) &&
-            (!skb_queue_empty(&txqi->frags) || txqi->tin.backlog_packets)) {
+            (force || !skb_queue_empty(&txqi->frags) ||
+             txqi->tin.backlog_packets)) {
                 /* If airtime accounting is active, always enqueue STAs at the
                  * head of the list to ensure that they only get moved to the
                  * back by the airtime DRR scheduler once they have a negative
@@ -3706,20 +3716,10 @@ void ieee80211_return_txq(struct ieee80211_hw *hw,
                         list_add_tail(&txqi->schedule_order,
                                       &local->active_txqs[txq->ac]);
         }
-}
-EXPORT_SYMBOL(ieee80211_return_txq);
 
-void ieee80211_schedule_txq(struct ieee80211_hw *hw,
-                            struct ieee80211_txq *txq)
-        __acquires(txq_lock) __releases(txq_lock)
-{
-        struct ieee80211_local *local = hw_to_local(hw);
-
-        spin_lock_bh(&local->active_txq_lock[txq->ac]);
-        ieee80211_return_txq(hw, txq);
         spin_unlock_bh(&local->active_txq_lock[txq->ac]);
 }
-EXPORT_SYMBOL(ieee80211_schedule_txq);
+EXPORT_SYMBOL(__ieee80211_schedule_txq);
 
 bool ieee80211_txq_may_transmit(struct ieee80211_hw *hw,
                                 struct ieee80211_txq *txq)
@@ -3729,7 +3729,7 @@ bool ieee80211_txq_may_transmit(struct ieee80211_hw *hw,
         struct sta_info *sta;
         u8 ac = txq->ac;
 
-        lockdep_assert_held(&local->active_txq_lock[ac]);
+        spin_lock_bh(&local->active_txq_lock[ac]);
 
         if (!txqi->txq.sta)
                 goto out;
@@ -3759,34 +3759,27 @@ bool ieee80211_txq_may_transmit(struct ieee80211_hw *hw,
 
         sta->airtime[ac].deficit += sta->airtime_weight;
         list_move_tail(&txqi->schedule_order, &local->active_txqs[ac]);
+        spin_unlock_bh(&local->active_txq_lock[ac]);
 
         return false;
 out:
         if (!list_empty(&txqi->schedule_order))
                 list_del_init(&txqi->schedule_order);
+        spin_unlock_bh(&local->active_txq_lock[ac]);
 
         return true;
 }
 EXPORT_SYMBOL(ieee80211_txq_may_transmit);
 
 void ieee80211_txq_schedule_start(struct ieee80211_hw *hw, u8 ac)
-        __acquires(txq_lock)
 {
         struct ieee80211_local *local = hw_to_local(hw);
 
         spin_lock_bh(&local->active_txq_lock[ac]);
         local->schedule_round[ac]++;
-}
-EXPORT_SYMBOL(ieee80211_txq_schedule_start);
-
-void ieee80211_txq_schedule_end(struct ieee80211_hw *hw, u8 ac)
-        __releases(txq_lock)
-{
-        struct ieee80211_local *local = hw_to_local(hw);
-
         spin_unlock_bh(&local->active_txq_lock[ac]);
 }
-EXPORT_SYMBOL(ieee80211_txq_schedule_end);
+EXPORT_SYMBOL(ieee80211_txq_schedule_start);
 
 void __ieee80211_subif_start_xmit(struct sk_buff *skb,
                                   struct net_device *dev,
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index f28e937320a3..216ab915dd54 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -988,7 +988,7 @@ static int netlink_bind(struct socket *sock, struct sockaddr *addr,
         struct netlink_sock *nlk = nlk_sk(sk);
         struct sockaddr_nl *nladdr = (struct sockaddr_nl *)addr;
         int err = 0;
-        unsigned long groups = nladdr->nl_groups;
+        unsigned long groups;
         bool bound;
 
         if (addr_len < sizeof(struct sockaddr_nl))
@@ -996,6 +996,7 @@ static int netlink_bind(struct socket *sock, struct sockaddr *addr,
 
         if (nladdr->nl_family != AF_NETLINK)
                 return -EINVAL;
+        groups = nladdr->nl_groups;
 
         /* Only superuser is allowed to listen multicasts */
         if (groups) {
diff --git a/net/netrom/af_netrom.c b/net/netrom/af_netrom.c
index 1d3144d19903..71ffd1a6dc7c 100644
--- a/net/netrom/af_netrom.c
+++ b/net/netrom/af_netrom.c
@@ -1392,18 +1392,22 @@ static int __init nr_proto_init(void)
         int i;
         int rc = proto_register(&nr_proto, 0);
 
-        if (rc != 0)
-                goto out;
+        if (rc)
+                return rc;
 
         if (nr_ndevs > 0x7fffffff/sizeof(struct net_device *)) {
-                printk(KERN_ERR "NET/ROM: nr_proto_init - nr_ndevs parameter to large\n");
-                return -1;
+                pr_err("NET/ROM: %s - nr_ndevs parameter too large\n",
+                       __func__);
+                rc = -EINVAL;
+                goto unregister_proto;
         }
 
         dev_nr = kcalloc(nr_ndevs, sizeof(struct net_device *), GFP_KERNEL);
-        if (dev_nr == NULL) {
-                printk(KERN_ERR "NET/ROM: nr_proto_init - unable to allocate device array\n");
-                return -1;
+        if (!dev_nr) {
+                pr_err("NET/ROM: %s - unable to allocate device array\n",
+                       __func__);
+                rc = -ENOMEM;
+                goto unregister_proto;
         }
 
         for (i = 0; i < nr_ndevs; i++) {
@@ -1413,13 +1417,13 @@ static int __init nr_proto_init(void)
                 sprintf(name, "nr%d", i);
                 dev = alloc_netdev(0, name, NET_NAME_UNKNOWN, nr_setup);
                 if (!dev) {
-                        printk(KERN_ERR "NET/ROM: nr_proto_init - unable to allocate device structure\n");
+                        rc = -ENOMEM;
                         goto fail;
                 }
 
                 dev->base_addr = i;
-                if (register_netdev(dev)) {
-                        printk(KERN_ERR "NET/ROM: nr_proto_init - unable to register network device\n");
+                rc = register_netdev(dev);
+                if (rc) {
                         free_netdev(dev);
                         goto fail;
                 }
@@ -1427,36 +1431,64 @@ static int __init nr_proto_init(void)
                 dev_nr[i] = dev;
         }
 
-        if (sock_register(&nr_family_ops)) {
-                printk(KERN_ERR "NET/ROM: nr_proto_init - unable to register socket family\n");
+        rc = sock_register(&nr_family_ops);
+        if (rc)
                 goto fail;
-        }
 
-        register_netdevice_notifier(&nr_dev_notifier);
+        rc = register_netdevice_notifier(&nr_dev_notifier);
+        if (rc)
+                goto out_sock;
 
         ax25_register_pid(&nr_pid);
         ax25_linkfail_register(&nr_linkfail_notifier);
 
 #ifdef CONFIG_SYSCTL
-        nr_register_sysctl();
+        rc = nr_register_sysctl();
+        if (rc)
+                goto out_sysctl;
 #endif
 
         nr_loopback_init();
 
-        proc_create_seq("nr", 0444, init_net.proc_net, &nr_info_seqops);
-        proc_create_seq("nr_neigh", 0444, init_net.proc_net, &nr_neigh_seqops);
-        proc_create_seq("nr_nodes", 0444, init_net.proc_net, &nr_node_seqops);
-out:
-        return rc;
+        rc = -ENOMEM;
+        if (!proc_create_seq("nr", 0444, init_net.proc_net, &nr_info_seqops))
+                goto proc_remove1;
+        if (!proc_create_seq("nr_neigh", 0444, init_net.proc_net,
+                             &nr_neigh_seqops))
+                goto proc_remove2;
+        if (!proc_create_seq("nr_nodes", 0444, init_net.proc_net,
+                             &nr_node_seqops))
+                goto proc_remove3;
+
+        return 0;
+
+proc_remove3:
+        remove_proc_entry("nr_neigh", init_net.proc_net);
+proc_remove2:
+        remove_proc_entry("nr", init_net.proc_net);
+proc_remove1:
+
+        nr_loopback_clear();
+        nr_rt_free();
+
+#ifdef CONFIG_SYSCTL
+        nr_unregister_sysctl();
+out_sysctl:
+#endif
+        ax25_linkfail_release(&nr_linkfail_notifier);
+        ax25_protocol_release(AX25_P_NETROM);
+        unregister_netdevice_notifier(&nr_dev_notifier);
+out_sock:
+        sock_unregister(PF_NETROM);
 fail:
         while (--i >= 0) {
                 unregister_netdev(dev_nr[i]);
                 free_netdev(dev_nr[i]);
         }
         kfree(dev_nr);
+unregister_proto:
         proto_unregister(&nr_proto);
-        rc = -1;
-        goto out;
+        return rc;
 }
 
 module_init(nr_proto_init);
diff --git a/net/netrom/nr_loopback.c b/net/netrom/nr_loopback.c
index 215ad22a9647..93d13f019981 100644
--- a/net/netrom/nr_loopback.c
+++ b/net/netrom/nr_loopback.c
@@ -70,7 +70,7 @@ static void nr_loopback_timer(struct timer_list *unused)
         }
 }
 
-void __exit nr_loopback_clear(void)
+void nr_loopback_clear(void)
 {
         del_timer_sync(&loopback_timer);
         skb_queue_purge(&loopback_queue);
diff --git a/net/netrom/nr_route.c b/net/netrom/nr_route.c
index 6485f593e2f0..b76aa668a94b 100644
--- a/net/netrom/nr_route.c
+++ b/net/netrom/nr_route.c
@@ -953,7 +953,7 @@ const struct seq_operations nr_neigh_seqops = {
 /*
  *      Free all memory associated with the nodes and routes lists.
  */
-void __exit nr_rt_free(void)
+void nr_rt_free(void)
 {
         struct nr_neigh *s = NULL;
         struct nr_node  *t = NULL;
diff --git a/net/netrom/sysctl_net_netrom.c b/net/netrom/sysctl_net_netrom.c
index ba1c368b3f18..771011b84270 100644
--- a/net/netrom/sysctl_net_netrom.c
+++ b/net/netrom/sysctl_net_netrom.c
@@ -146,9 +146,12 @@ static struct ctl_table nr_table[] = {
         { }
 };
 
-void __init nr_register_sysctl(void)
+int __init nr_register_sysctl(void)
 {
         nr_table_header = register_net_sysctl(&init_net, "net/netrom", nr_table);
+        if (!nr_table_header)
+                return -ENOMEM;
+        return 0;
 }
 
 void nr_unregister_sysctl(void)
diff --git a/net/rds/af_rds.c b/net/rds/af_rds.c
index d6cc97fbbbb0..2b969f99ef13 100644
--- a/net/rds/af_rds.c
+++ b/net/rds/af_rds.c
@@ -543,6 +543,9 @@ static int rds_connect(struct socket *sock, struct sockaddr *uaddr,
         struct rds_sock *rs = rds_sk_to_rs(sk);
         int ret = 0;
 
+        if (addr_len < offsetofend(struct sockaddr, sa_family))
+                return -EINVAL;
+
         lock_sock(sk);
 
         switch (uaddr->sa_family) {
diff --git a/net/rds/bind.c b/net/rds/bind.c
index 17c9d9f0c848..0f4398e7f2a7 100644
--- a/net/rds/bind.c
+++ b/net/rds/bind.c
@@ -173,6 +173,8 @@ int rds_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
         /* We allow an RDS socket to be bound to either IPv4 or IPv6
          * address.
          */
+        if (addr_len < offsetofend(struct sockaddr, sa_family))
+                return -EINVAL;
         if (uaddr->sa_family == AF_INET) {
                 struct sockaddr_in *sin = (struct sockaddr_in *)uaddr;
 
diff --git a/net/rxrpc/af_rxrpc.c b/net/rxrpc/af_rxrpc.c
index 96f2952bbdfd..ae8c5d7f3bf1 100644
--- a/net/rxrpc/af_rxrpc.c
+++ b/net/rxrpc/af_rxrpc.c
@@ -135,7 +135,7 @@ static int rxrpc_bind(struct socket *sock, struct sockaddr *saddr, int len)
         struct sockaddr_rxrpc *srx = (struct sockaddr_rxrpc *)saddr;
         struct rxrpc_local *local;
         struct rxrpc_sock *rx = rxrpc_sk(sock->sk);
-        u16 service_id = srx->srx_service;
+        u16 service_id;
         int ret;
 
         _enter("%p,%p,%d", rx, saddr, len);
@@ -143,6 +143,7 @@ static int rxrpc_bind(struct socket *sock, struct sockaddr *saddr, int len)
         ret = rxrpc_validate_address(rx, srx, len);
         if (ret < 0)
                 goto error;
+        service_id = srx->srx_service;
 
         lock_sock(&rx->sk);
 
@@ -370,18 +371,22 @@ EXPORT_SYMBOL(rxrpc_kernel_end_call);
  * rxrpc_kernel_check_life - Check to see whether a call is still alive
  * @sock: The socket the call is on
  * @call: The call to check
+ * @_life: Where to store the life value
  *
  * Allow a kernel service to find out whether a call is still alive - ie. we're
- * getting ACKs from the server.  Returns a number representing the life state
- * which can be compared to that returned by a previous call.
+ * getting ACKs from the server.  Passes back in *_life a number representing
+ * the life state which can be compared to that returned by a previous call and
+ * return true if the call is still alive.
  *
  * If the life state stalls, rxrpc_kernel_probe_life() should be called and
  * then 2RTT waited.
  */
-u32 rxrpc_kernel_check_life(const struct socket *sock,
-                            const struct rxrpc_call *call)
+bool rxrpc_kernel_check_life(const struct socket *sock,
+                             const struct rxrpc_call *call,
+                             u32 *_life)
 {
-        return call->acks_latest;
+        *_life = call->acks_latest;
+        return call->state != RXRPC_CALL_COMPLETE;
 }
 EXPORT_SYMBOL(rxrpc_kernel_check_life);
 
diff --git a/net/rxrpc/ar-internal.h b/net/rxrpc/ar-internal.h
index 4b1a534d290a..062ca9dc29b8 100644
--- a/net/rxrpc/ar-internal.h
+++ b/net/rxrpc/ar-internal.h
@@ -654,6 +654,7 @@ struct rxrpc_call {
         u8                      ackr_reason;    /* reason to ACK */
         u16                     ackr_skew;      /* skew on packet being ACK'd */
         rxrpc_serial_t          ackr_serial;    /* serial of packet being ACK'd */
+        rxrpc_serial_t          ackr_first_seq; /* first sequence number received */
         rxrpc_seq_t             ackr_prev_seq;  /* previous sequence number received */
         rxrpc_seq_t             ackr_consumed;  /* Highest packet shown consumed */
         rxrpc_seq_t             ackr_seen;      /* Highest packet shown seen */
diff --git a/net/rxrpc/conn_event.c b/net/rxrpc/conn_event.c
index b6fca8ebb117..8d31fb4c51e1 100644
--- a/net/rxrpc/conn_event.c
+++ b/net/rxrpc/conn_event.c
@@ -153,7 +153,8 @@ static void rxrpc_conn_retransmit_call(struct rxrpc_connection *conn,
  * pass a connection-level abort onto all calls on that connection
  */
 static void rxrpc_abort_calls(struct rxrpc_connection *conn,
-                              enum rxrpc_call_completion compl)
+                              enum rxrpc_call_completion compl,
+                              rxrpc_serial_t serial)
 {
         struct rxrpc_call *call;
         int i;
@@ -173,6 +174,9 @@ static void rxrpc_abort_calls(struct rxrpc_connection *conn,
                                                   call->call_id, 0,
                                                   conn->abort_code,
                                                   conn->error);
+                        else
+                                trace_rxrpc_rx_abort(call, serial,
+                                                     conn->abort_code);
                         if (rxrpc_set_call_completion(call, compl,
                                                       conn->abort_code,
                                                       conn->error))
@@ -213,8 +217,6 @@ static int rxrpc_abort_connection(struct rxrpc_connection *conn,
         conn->state = RXRPC_CONN_LOCALLY_ABORTED;
         spin_unlock_bh(&conn->state_lock);
 
-        rxrpc_abort_calls(conn, RXRPC_CALL_LOCALLY_ABORTED);
-
         msg.msg_name    = &conn->params.peer->srx.transport;
         msg.msg_namelen = conn->params.peer->srx.transport_len;
         msg.msg_control = NULL;
@@ -242,6 +244,7 @@ static int rxrpc_abort_connection(struct rxrpc_connection *conn,
         len = iov[0].iov_len + iov[1].iov_len;
 
         serial = atomic_inc_return(&conn->serial);
+        rxrpc_abort_calls(conn, RXRPC_CALL_LOCALLY_ABORTED, serial);
         whdr.serial = htonl(serial);
         _proto("Tx CONN ABORT %%%u { %d }", serial, conn->abort_code);
 
@@ -321,7 +324,7 @@ static int rxrpc_process_event(struct rxrpc_connection *conn,
                 conn->error = -ECONNABORTED;
                 conn->abort_code = abort_code;
                 conn->state = RXRPC_CONN_REMOTELY_ABORTED;
-                rxrpc_abort_calls(conn, RXRPC_CALL_REMOTELY_ABORTED);
+                rxrpc_abort_calls(conn, RXRPC_CALL_REMOTELY_ABORTED, sp->hdr.serial);
                 return -ECONNABORTED;
 
         case RXRPC_PACKET_TYPE_CHALLENGE:
diff --git a/net/rxrpc/input.c b/net/rxrpc/input.c
index 9128aa0e40aa..4c6f9d0a00e7 100644
--- a/net/rxrpc/input.c
+++ b/net/rxrpc/input.c
@@ -837,7 +837,7 @@ static void rxrpc_input_ack(struct rxrpc_call *call, struct sk_buff *skb,
                 u8 acks[RXRPC_MAXACKS];
         } buf;
         rxrpc_serial_t acked_serial;
-        rxrpc_seq_t first_soft_ack, hard_ack;
+        rxrpc_seq_t first_soft_ack, hard_ack, prev_pkt;
         int nr_acks, offset, ioffset;
 
         _enter("");
@@ -851,13 +851,14 @@ static void rxrpc_input_ack(struct rxrpc_call *call, struct sk_buff *skb,
 
         acked_serial = ntohl(buf.ack.serial);
         first_soft_ack = ntohl(buf.ack.firstPacket);
+        prev_pkt = ntohl(buf.ack.previousPacket);
         hard_ack = first_soft_ack - 1;
         nr_acks = buf.ack.nAcks;
         summary.ack_reason = (buf.ack.reason < RXRPC_ACK__INVALID ?
                               buf.ack.reason : RXRPC_ACK__INVALID);
 
         trace_rxrpc_rx_ack(call, sp->hdr.serial, acked_serial,
-                           first_soft_ack, ntohl(buf.ack.previousPacket),
+                           first_soft_ack, prev_pkt,
                            summary.ack_reason, nr_acks);
 
         if (buf.ack.reason == RXRPC_ACK_PING_RESPONSE)
@@ -878,8 +879,9 @@ static void rxrpc_input_ack(struct rxrpc_call *call, struct sk_buff *skb,
                                   rxrpc_propose_ack_respond_to_ack);
         }
 
-        /* Discard any out-of-order or duplicate ACKs. */
-        if (before_eq(sp->hdr.serial, call->acks_latest))
+        /* Discard any out-of-order or duplicate ACKs (outside lock). */
+        if (before(first_soft_ack, call->ackr_first_seq) ||
+            before(prev_pkt, call->ackr_prev_seq))
                 return;
 
         buf.info.rxMTU = 0;
@@ -890,12 +892,16 @@ static void rxrpc_input_ack(struct rxrpc_call *call, struct sk_buff *skb,
 
         spin_lock(&call->input_lock);
 
-        /* Discard any out-of-order or duplicate ACKs. */
-        if (before_eq(sp->hdr.serial, call->acks_latest))
+        /* Discard any out-of-order or duplicate ACKs (inside lock). */
+        if (before(first_soft_ack, call->ackr_first_seq) ||
+            before(prev_pkt, call->ackr_prev_seq))
                 goto out;
         call->acks_latest_ts = skb->tstamp;
         call->acks_latest = sp->hdr.serial;
 
+        call->ackr_first_seq = first_soft_ack;
+        call->ackr_prev_seq = prev_pkt;
+
         /* Parse rwind and mtu sizes if provided. */
         if (buf.info.rxMTU)
                 rxrpc_input_ackinfo(call, skb, &buf.info);
diff --git a/net/rxrpc/peer_event.c b/net/rxrpc/peer_event.c
index bc05af89fc38..6e84d878053c 100644
--- a/net/rxrpc/peer_event.c
+++ b/net/rxrpc/peer_event.c
@@ -157,6 +157,11 @@ void rxrpc_error_report(struct sock *sk)
 
         _enter("%p{%d}", sk, local->debug_id);
 
+        /* Clear the outstanding error value on the socket so that it doesn't
+         * cause kernel_sendmsg() to return it later.
+         */
+        sock_error(sk);
+
         skb = sock_dequeue_err_skb(sk);
         if (!skb) {
                 _leave("UDP socket errqueue empty");
diff --git a/net/rxrpc/sendmsg.c b/net/rxrpc/sendmsg.c
index 46c9312085b1..bec64deb7b0a 100644
--- a/net/rxrpc/sendmsg.c
+++ b/net/rxrpc/sendmsg.c
@@ -152,12 +152,13 @@ static void rxrpc_notify_end_tx(struct rxrpc_sock *rx, struct rxrpc_call *call,
 }
 
 /*
- * Queue a DATA packet for transmission, set the resend timeout and send the
- * packet immediately
+ * Queue a DATA packet for transmission, set the resend timeout and send
+ * the packet immediately.  Returns the error from rxrpc_send_data_packet()
+ * in case the caller wants to do something with it.
  */
-static void rxrpc_queue_packet(struct rxrpc_sock *rx, struct rxrpc_call *call,
-                               struct sk_buff *skb, bool last,
-                               rxrpc_notify_end_tx_t notify_end_tx)
+static int rxrpc_queue_packet(struct rxrpc_sock *rx, struct rxrpc_call *call,
+                              struct sk_buff *skb, bool last,
+                              rxrpc_notify_end_tx_t notify_end_tx)
 {
         struct rxrpc_skb_priv *sp = rxrpc_skb(skb);
         unsigned long now;
@@ -250,7 +251,8 @@ static void rxrpc_queue_packet(struct rxrpc_sock *rx, struct rxrpc_call *call,
 
 out:
         rxrpc_free_skb(skb, rxrpc_skb_tx_freed);
-        _leave("");
+        _leave(" = %d", ret);
+        return ret;
 }
 
 /*
@@ -423,9 +425,10 @@ static int rxrpc_send_data(struct rxrpc_sock *rx,
                         if (ret < 0)
                                 goto out;
 
-                        rxrpc_queue_packet(rx, call, skb,
-                                           !msg_data_left(msg) && !more,
-                                           notify_end_tx);
+                        ret = rxrpc_queue_packet(rx, call, skb,
+                                                 !msg_data_left(msg) && !more,
+                                                 notify_end_tx);
+                        /* Should check for failure here */
                         skb = NULL;
                 }
         } while (msg_data_left(msg) > 0);
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 9874e60c9b0d..4583fa914e62 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -4847,7 +4847,8 @@ static int sctp_connect(struct sock *sk, struct sockaddr *addr,
         }
 
         /* Validate addr_len before calling common connect/connectx routine. */
-        af = sctp_get_af_specific(addr->sa_family);
+        af = addr_len < offsetofend(struct sockaddr, sa_family) ? NULL :
+                sctp_get_af_specific(addr->sa_family);
         if (!af || addr_len < af->sockaddr_len) {
                 err = -EINVAL;
         } else {
diff --git a/net/smc/af_smc.c b/net/smc/af_smc.c
index 77ef53596d18..6f869ef49b32 100644
--- a/net/smc/af_smc.c
+++ b/net/smc/af_smc.c
@@ -167,10 +167,9 @@ static int smc_release(struct socket *sock)
 
         if (sk->sk_state == SMC_CLOSED) {
                 if (smc->clcsock) {
-                        mutex_lock(&smc->clcsock_release_lock);
-                        sock_release(smc->clcsock);
-                        smc->clcsock = NULL;
-                        mutex_unlock(&smc->clcsock_release_lock);
+                        release_sock(sk);
+                        smc_clcsock_release(smc);
+                        lock_sock(sk);
                 }
                 if (!smc->use_fallback)
                         smc_conn_free(&smc->conn);
@@ -446,10 +445,19 @@ static void smc_link_save_peer_info(struct smc_link *link,
         link->peer_mtu = clc->qp_mtu;
 }
 
+static void smc_switch_to_fallback(struct smc_sock *smc)
+{
+        smc->use_fallback = true;
+        if (smc->sk.sk_socket && smc->sk.sk_socket->file) {
+                smc->clcsock->file = smc->sk.sk_socket->file;
+                smc->clcsock->file->private_data = smc->clcsock;
+        }
+}
+
 /* fall back during connect */
 static int smc_connect_fallback(struct smc_sock *smc, int reason_code)
 {
-        smc->use_fallback = true;
+        smc_switch_to_fallback(smc);
         smc->fallback_rsn = reason_code;
         smc_copy_sock_settings_to_clc(smc);
         if (smc->sk.sk_state == SMC_INIT)
@@ -775,10 +783,14 @@ static void smc_connect_work(struct work_struct *work)
                 smc->sk.sk_err = -rc;
 
 out:
-        if (smc->sk.sk_err)
-                smc->sk.sk_state_change(&smc->sk);
-        else
-                smc->sk.sk_write_space(&smc->sk);
+        if (!sock_flag(&smc->sk, SOCK_DEAD)) {
+                if (smc->sk.sk_err) {
+                        smc->sk.sk_state_change(&smc->sk);
+                } else { /* allow polling before and after fallback decision */
+                        smc->clcsock->sk->sk_write_space(smc->clcsock->sk);
+                        smc->sk.sk_write_space(&smc->sk);
+                }
+        }
         kfree(smc->connect_info);
         smc->connect_info = NULL;
         release_sock(&smc->sk);
@@ -872,11 +884,11 @@ static int smc_clcsock_accept(struct smc_sock *lsmc, struct smc_sock **new_smc)
         if  (rc < 0)
                 lsk->sk_err = -rc;
         if (rc < 0 || lsk->sk_state == SMC_CLOSED) {
+                new_sk->sk_prot->unhash(new_sk);
                 if (new_clcsock)
                         sock_release(new_clcsock);
                 new_sk->sk_state = SMC_CLOSED;
                 sock_set_flag(new_sk, SOCK_DEAD);
-                new_sk->sk_prot->unhash(new_sk);
                 sock_put(new_sk); /* final */
                 *new_smc = NULL;
                 goto out;
@@ -927,16 +939,21 @@ struct sock *smc_accept_dequeue(struct sock *parent,
 
                 smc_accept_unlink(new_sk);
                 if (new_sk->sk_state == SMC_CLOSED) {
+                        new_sk->sk_prot->unhash(new_sk);
                         if (isk->clcsock) {
                                 sock_release(isk->clcsock);
                                 isk->clcsock = NULL;
                         }
-                        new_sk->sk_prot->unhash(new_sk);
                         sock_put(new_sk); /* final */
                         continue;
                 }
-                if (new_sock)
+                if (new_sock) {
                         sock_graft(new_sk, new_sock);
+                        if (isk->use_fallback) {
+                                smc_sk(new_sk)->clcsock->file = new_sock->file;
+                                isk->clcsock->file->private_data = isk->clcsock;
+                        }
+                }
                 return new_sk;
         }
         return NULL;
@@ -956,6 +973,7 @@ void smc_close_non_accepted(struct sock *sk)
                 sock_set_flag(sk, SOCK_DEAD);
                 sk->sk_shutdown |= SHUTDOWN_MASK;
         }
+        sk->sk_prot->unhash(sk);
         if (smc->clcsock) {
                 struct socket *tcp;
 
@@ -971,7 +989,6 @@ void smc_close_non_accepted(struct sock *sk)
                         smc_conn_free(&smc->conn);
         }
         release_sock(sk);
-        sk->sk_prot->unhash(sk);
         sock_put(sk); /* final sock_put */
 }
 
@@ -1037,13 +1054,13 @@ static void smc_listen_out(struct smc_sock *new_smc)
         struct smc_sock *lsmc = new_smc->listen_smc;
         struct sock *newsmcsk = &new_smc->sk;
 
-        lock_sock_nested(&lsmc->sk, SINGLE_DEPTH_NESTING);
         if (lsmc->sk.sk_state == SMC_LISTEN) {
+                lock_sock_nested(&lsmc->sk, SINGLE_DEPTH_NESTING);
                 smc_accept_enqueue(&lsmc->sk, newsmcsk);
+                release_sock(&lsmc->sk);
         } else { /* no longer listening */
                 smc_close_non_accepted(newsmcsk);
         }
-        release_sock(&lsmc->sk);
 
         /* Wake up accept */
         lsmc->sk.sk_data_ready(&lsmc->sk);
@@ -1087,7 +1104,7 @@ static void smc_listen_decline(struct smc_sock *new_smc, int reason_code,
                 return;
         }
         smc_conn_free(&new_smc->conn);
-        new_smc->use_fallback = true;
+        smc_switch_to_fallback(new_smc);
         new_smc->fallback_rsn = reason_code;
         if (reason_code && reason_code != SMC_CLC_DECL_PEERDECL) {
                 if (smc_clc_send_decline(new_smc, reason_code) < 0) {
@@ -1237,6 +1254,9 @@ static void smc_listen_work(struct work_struct *work)
         int rc = 0;
         u8 ibport;
 
+        if (new_smc->listen_smc->sk.sk_state != SMC_LISTEN)
+                return smc_listen_out_err(new_smc);
+
         if (new_smc->use_fallback) {
                 smc_listen_out_connected(new_smc);
                 return;
@@ -1244,7 +1264,7 @@ static void smc_listen_work(struct work_struct *work)
 
         /* check if peer is smc capable */
         if (!tcp_sk(newclcsock->sk)->syn_smc) {
-                new_smc->use_fallback = true;
+                smc_switch_to_fallback(new_smc);
                 new_smc->fallback_rsn = SMC_CLC_DECL_PEERNOSMC;
                 smc_listen_out_connected(new_smc);
                 return;
@@ -1501,7 +1521,7 @@ static int smc_sendmsg(struct socket *sock, struct msghdr *msg, size_t len)
 
         if (msg->msg_flags & MSG_FASTOPEN) {
                 if (sk->sk_state == SMC_INIT) {
-                        smc->use_fallback = true;
+                        smc_switch_to_fallback(smc);
                         smc->fallback_rsn = SMC_CLC_DECL_OPTUNSUPP;
                 } else {
                         rc = -EINVAL;
@@ -1703,7 +1723,7 @@ static int smc_setsockopt(struct socket *sock, int level, int optname,
         case TCP_FASTOPEN_NO_COOKIE:
                 /* option not supported by SMC */
                 if (sk->sk_state == SMC_INIT) {
-                        smc->use_fallback = true;
+                        smc_switch_to_fallback(smc);
                         smc->fallback_rsn = SMC_CLC_DECL_OPTUNSUPP;
                 } else {
                         if (!smc->use_fallback)
diff --git a/net/smc/smc_close.c b/net/smc/smc_close.c
index 2ad37e998509..fc06720b53c1 100644
--- a/net/smc/smc_close.c
+++ b/net/smc/smc_close.c
@@ -21,6 +21,22 @@
 
 #define SMC_CLOSE_WAIT_LISTEN_CLCSOCK_TIME      (5 * HZ)
 
+/* release the clcsock that is assigned to the smc_sock */
+void smc_clcsock_release(struct smc_sock *smc)
+{
+        struct socket *tcp;
+
+        if (smc->listen_smc && current_work() != &smc->smc_listen_work)
+                cancel_work_sync(&smc->smc_listen_work);
+        mutex_lock(&smc->clcsock_release_lock);
+        if (smc->clcsock) {
+                tcp = smc->clcsock;
+                smc->clcsock = NULL;
+                sock_release(tcp);
+        }
+        mutex_unlock(&smc->clcsock_release_lock);
+}
+
 static void smc_close_cleanup_listen(struct sock *parent)
 {
         struct sock *sk;
@@ -321,6 +337,7 @@ static void smc_close_passive_work(struct work_struct *work)
                                                    close_work);
         struct smc_sock *smc = container_of(conn, struct smc_sock, conn);
         struct smc_cdc_conn_state_flags *rxflags;
+        bool release_clcsock = false;
         struct sock *sk = &smc->sk;
         int old_state;
 
@@ -400,13 +417,13 @@ wakeup:
                 if ((sk->sk_state == SMC_CLOSED) &&
                     (sock_flag(sk, SOCK_DEAD) || !sk->sk_socket)) {
                         smc_conn_free(conn);
-                        if (smc->clcsock) {
-                                sock_release(smc->clcsock);
-                                smc->clcsock = NULL;
-                        }
+                        if (smc->clcsock)
+                                release_clcsock = true;
                 }
         }
         release_sock(sk);
+        if (release_clcsock)
+                smc_clcsock_release(smc);
         sock_put(sk); /* sock_hold done by schedulers of close_work */
 }
 
diff --git a/net/smc/smc_close.h b/net/smc/smc_close.h
index 19eb6a211c23..e0e3b5df25d2 100644
--- a/net/smc/smc_close.h
+++ b/net/smc/smc_close.h
@@ -23,5 +23,6 @@ void smc_close_wake_tx_prepared(struct smc_sock *smc);
 int smc_close_active(struct smc_sock *smc);
 int smc_close_shutdown_write(struct smc_sock *smc);
 void smc_close_init(struct smc_sock *smc);
+void smc_clcsock_release(struct smc_sock *smc);
 
 #endif /* SMC_CLOSE_H */
diff --git a/net/smc/smc_ism.c b/net/smc/smc_ism.c
index 2fff79db1a59..e89e918b88e0 100644
--- a/net/smc/smc_ism.c
+++ b/net/smc/smc_ism.c
@@ -289,6 +289,11 @@ struct smcd_dev *smcd_alloc_dev(struct device *parent, const char *name,
         INIT_LIST_HEAD(&smcd->vlan);
         smcd->event_wq = alloc_ordered_workqueue("ism_evt_wq-%s)",
                                                  WQ_MEM_RECLAIM, name);
+        if (!smcd->event_wq) {
+                kfree(smcd->conn);
+                kfree(smcd);
+                return NULL;
+        }
         return smcd;
 }
 EXPORT_SYMBOL_GPL(smcd_alloc_dev);
diff --git a/net/smc/smc_pnet.c b/net/smc/smc_pnet.c
index 8d2f6296279c..0285c7f9e79b 100644
--- a/net/smc/smc_pnet.c
+++ b/net/smc/smc_pnet.c
@@ -603,7 +603,8 @@ static int smc_pnet_flush(struct sk_buff *skb, struct genl_info *info)
 {
         struct net *net = genl_info_net(info);
 
-        return smc_pnet_remove_by_pnetid(net, NULL);
+        smc_pnet_remove_by_pnetid(net, NULL);
+        return 0;
 }
 
 /* SMC_PNETID generic netlink operation definition */
diff --git a/net/strparser/strparser.c b/net/strparser/strparser.c
index 860dcfb95ee4..fa6c977b4c41 100644
--- a/net/strparser/strparser.c
+++ b/net/strparser/strparser.c
@@ -140,13 +140,11 @@ static int __strp_recv(read_descriptor_t *desc, struct sk_buff *orig_skb,
                         /* We are going to append to the frags_list of head.
                          * Need to unshare the frag_list.
                          */
-                        if (skb_has_frag_list(head)) {
-                                err = skb_unclone(head, GFP_ATOMIC);
-                                if (err) {
-                                        STRP_STATS_INCR(strp->stats.mem_fail);
-                                        desc->error = err;
-                                        return 0;
-                                }
+                        err = skb_unclone(head, GFP_ATOMIC);
+                        if (err) {
+                                STRP_STATS_INCR(strp->stats.mem_fail);
+                                desc->error = err;
+                                return 0;
                         }
 
                         if (unlikely(skb_shinfo(head)->frag_list)) {
diff --git a/net/tipc/link.c b/net/tipc/link.c
index 341ecd796aa4..131aa2f0fd27 100644
--- a/net/tipc/link.c
+++ b/net/tipc/link.c
@@ -869,6 +869,8 @@ void tipc_link_reset(struct tipc_link *l)
         __skb_queue_head_init(&list);
 
         l->in_session = false;
+        /* Force re-synch of peer session number before establishing */
+        l->peer_session--;
         l->session++;
         l->mtu = l->advertised_mtu;
 
diff --git a/net/tipc/name_table.c b/net/tipc/name_table.c
index bff241f03525..89993afe0fbd 100644
--- a/net/tipc/name_table.c
+++ b/net/tipc/name_table.c
@@ -909,7 +909,8 @@ static int tipc_nl_service_list(struct net *net, struct tipc_nl_msg *msg,
         for (; i < TIPC_NAMETBL_SIZE; i++) {
                 head = &tn->nametbl->services[i];
 
-                if (*last_type) {
+                if (*last_type ||
+                    (!i && *last_key && (*last_lower == *last_key))) {
                         service = tipc_service_find(net, *last_type);
                         if (!service)
                                 return -EPIPE;
diff --git a/net/tipc/sysctl.c b/net/tipc/sysctl.c
index 3481e4906bd6..9df82a573aa7 100644
--- a/net/tipc/sysctl.c
+++ b/net/tipc/sysctl.c
@@ -38,6 +38,8 @@
 
 #include <linux/sysctl.h>
 
+static int zero;
+static int one = 1;
 static struct ctl_table_header *tipc_ctl_hdr;
 
 static struct ctl_table tipc_table[] = {
@@ -46,14 +48,16 @@ static struct ctl_table tipc_table[] = {
                 .data           = &sysctl_tipc_rmem,
                 .maxlen         = sizeof(sysctl_tipc_rmem),
                 .mode           = 0644,
-                .proc_handler   = proc_dointvec,
+                .proc_handler   = proc_dointvec_minmax,
+                .extra1         = &one,
         },
         {
                 .procname       = "named_timeout",
                 .data           = &sysctl_tipc_named_timeout,
                 .maxlen         = sizeof(sysctl_tipc_named_timeout),
                 .mode           = 0644,
-                .proc_handler   = proc_dointvec,
+                .proc_handler   = proc_dointvec_minmax,
+                .extra1         = &zero,
         },
         {
                 .procname       = "sk_filter",
diff --git a/net/tls/tls_device.c b/net/tls/tls_device.c
index 135a7ee9db03..9f3bdbc1e593 100644
--- a/net/tls/tls_device.c
+++ b/net/tls/tls_device.c
@@ -52,8 +52,11 @@ static DEFINE_SPINLOCK(tls_device_lock);
 
 static void tls_device_free_ctx(struct tls_context *ctx)
 {
-        if (ctx->tx_conf == TLS_HW)
+        if (ctx->tx_conf == TLS_HW) {
                 kfree(tls_offload_ctx_tx(ctx));
+                kfree(ctx->tx.rec_seq);
+                kfree(ctx->tx.iv);
+        }
 
         if (ctx->rx_conf == TLS_HW)
                 kfree(tls_offload_ctx_rx(ctx));
@@ -216,6 +219,13 @@ void tls_device_sk_destruct(struct sock *sk)
 }
 EXPORT_SYMBOL(tls_device_sk_destruct);
 
+void tls_device_free_resources_tx(struct sock *sk)
+{
+        struct tls_context *tls_ctx = tls_get_ctx(sk);
+
+        tls_free_partial_record(sk, tls_ctx);
+}
+
 static void tls_append_frag(struct tls_record_info *record,
                             struct page_frag *pfrag,
                             int size)
diff --git a/net/tls/tls_main.c b/net/tls/tls_main.c
index df921a2904b9..9547cea0ce3b 100644
--- a/net/tls/tls_main.c
+++ b/net/tls/tls_main.c
@@ -208,6 +208,26 @@ int tls_push_partial_record(struct sock *sk, struct tls_context *ctx,
         return tls_push_sg(sk, ctx, sg, offset, flags);
 }
 
+bool tls_free_partial_record(struct sock *sk, struct tls_context *ctx)
+{
+        struct scatterlist *sg;
+
+        sg = ctx->partially_sent_record;
+        if (!sg)
+                return false;
+
+        while (1) {
+                put_page(sg_page(sg));
+                sk_mem_uncharge(sk, sg->length);
+
+                if (sg_is_last(sg))
+                        break;
+                sg++;
+        }
+        ctx->partially_sent_record = NULL;
+        return true;
+}
+
 static void tls_write_space(struct sock *sk)
 {
         struct tls_context *ctx = tls_get_ctx(sk);
@@ -267,6 +287,10 @@ static void tls_sk_proto_close(struct sock *sk, long timeout)
                 kfree(ctx->tx.rec_seq);
                 kfree(ctx->tx.iv);
                 tls_sw_free_resources_tx(sk);
+#ifdef CONFIG_TLS_DEVICE
+        } else if (ctx->tx_conf == TLS_HW) {
+                tls_device_free_resources_tx(sk);
+#endif
         }
 
         if (ctx->rx_conf == TLS_SW) {
diff --git a/net/tls/tls_sw.c b/net/tls/tls_sw.c
index 20b191227969..b50ced862f6f 100644
--- a/net/tls/tls_sw.c
+++ b/net/tls/tls_sw.c
@@ -2052,20 +2052,7 @@ void tls_sw_free_resources_tx(struct sock *sk)
         /* Free up un-sent records in tx_list. First, free
          * the partially sent record if any at head of tx_list.
          */
-        if (tls_ctx->partially_sent_record) {
-                struct scatterlist *sg = tls_ctx->partially_sent_record;
-
-                while (1) {
-                        put_page(sg_page(sg));
-                        sk_mem_uncharge(sk, sg->length);
-
-                        if (sg_is_last(sg))
-                                break;
-                        sg++;
-                }
-
-                tls_ctx->partially_sent_record = NULL;
-
+        if (tls_free_partial_record(sk, tls_ctx)) {
                 rec = list_first_entry(&ctx->tx_list,
                                        struct tls_rec, list);
                 list_del(&rec->list);
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 25a9e3b5c154..47e30a58566c 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -13650,7 +13650,8 @@ static const struct genl_ops nl80211_ops[] = {
                 .policy = nl80211_policy,
                 .flags = GENL_UNS_ADMIN_PERM,
                 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
-                                  NL80211_FLAG_NEED_RTNL,
+                                  NL80211_FLAG_NEED_RTNL |
+                                  NL80211_FLAG_CLEAR_SKB,
         },
         {
                 .cmd = NL80211_CMD_DEAUTHENTICATE,
@@ -13701,7 +13702,8 @@ static const struct genl_ops nl80211_ops[] = {
                 .policy = nl80211_policy,
                 .flags = GENL_UNS_ADMIN_PERM,
                 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
-                                  NL80211_FLAG_NEED_RTNL,
+                                  NL80211_FLAG_NEED_RTNL |
+                                  NL80211_FLAG_CLEAR_SKB,
         },
         {
                 .cmd = NL80211_CMD_UPDATE_CONNECT_PARAMS,
@@ -13709,7 +13711,8 @@ static const struct genl_ops nl80211_ops[] = {
                 .policy = nl80211_policy,
                 .flags = GENL_ADMIN_PERM,
                 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
-                                  NL80211_FLAG_NEED_RTNL,
+                                  NL80211_FLAG_NEED_RTNL |
+                                  NL80211_FLAG_CLEAR_SKB,
         },
         {
                 .cmd = NL80211_CMD_DISCONNECT,
@@ -13738,7 +13741,8 @@ static const struct genl_ops nl80211_ops[] = {
                 .policy = nl80211_policy,
                 .flags = GENL_UNS_ADMIN_PERM,
                 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
-                                  NL80211_FLAG_NEED_RTNL,
+                                  NL80211_FLAG_NEED_RTNL |
+                                  NL80211_FLAG_CLEAR_SKB,
         },
         {
                 .cmd = NL80211_CMD_DEL_PMKSA,
@@ -14090,7 +14094,8 @@ static const struct genl_ops nl80211_ops[] = {
                 .policy = nl80211_policy,
                 .flags = GENL_UNS_ADMIN_PERM,
                 .internal_flags = NL80211_FLAG_NEED_WIPHY |
-                                  NL80211_FLAG_NEED_RTNL,
+                                  NL80211_FLAG_NEED_RTNL |
+                                  NL80211_FLAG_CLEAR_SKB,
         },
         {
                 .cmd = NL80211_CMD_SET_QOS_MAP,
@@ -14145,7 +14150,8 @@ static const struct genl_ops nl80211_ops[] = {
                 .doit = nl80211_set_pmk,
                 .policy = nl80211_policy,
                 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
-                                  NL80211_FLAG_NEED_RTNL,
+                                  NL80211_FLAG_NEED_RTNL |
+                                  NL80211_FLAG_CLEAR_SKB,
         },
         {
                 .cmd = NL80211_CMD_DEL_PMK,
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index 2f1bf91eb226..0ba778f371cb 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -1309,6 +1309,16 @@ reg_intersect_dfs_region(const enum nl80211_dfs_regions dfs_region1,
         return dfs_region1;
 }
 
+static void reg_wmm_rules_intersect(const struct ieee80211_wmm_ac *wmm_ac1,
+                                    const struct ieee80211_wmm_ac *wmm_ac2,
+                                    struct ieee80211_wmm_ac *intersect)
+{
+        intersect->cw_min = max_t(u16, wmm_ac1->cw_min, wmm_ac2->cw_min);
+        intersect->cw_max = max_t(u16, wmm_ac1->cw_max, wmm_ac2->cw_max);
+        intersect->cot = min_t(u16, wmm_ac1->cot, wmm_ac2->cot);
+        intersect->aifsn = max_t(u8, wmm_ac1->aifsn, wmm_ac2->aifsn);
+}
+
 /*
  * Helper for regdom_intersect(), this does the real
  * mathematical intersection fun
@@ -1323,6 +1333,8 @@ static int reg_rules_intersect(const struct ieee80211_regdomain *rd1,
         struct ieee80211_freq_range *freq_range;
         const struct ieee80211_power_rule *power_rule1, *power_rule2;
         struct ieee80211_power_rule *power_rule;
+        const struct ieee80211_wmm_rule *wmm_rule1, *wmm_rule2;
+        struct ieee80211_wmm_rule *wmm_rule;
         u32 freq_diff, max_bandwidth1, max_bandwidth2;
 
         freq_range1 = &rule1->freq_range;
@@ -1333,6 +1345,10 @@ static int reg_rules_intersect(const struct ieee80211_regdomain *rd1,
         power_rule2 = &rule2->power_rule;
         power_rule = &intersected_rule->power_rule;
 
+        wmm_rule1 = &rule1->wmm_rule;
+        wmm_rule2 = &rule2->wmm_rule;
+        wmm_rule = &intersected_rule->wmm_rule;
+
         freq_range->start_freq_khz = max(freq_range1->start_freq_khz,
                                          freq_range2->start_freq_khz);
         freq_range->end_freq_khz = min(freq_range1->end_freq_khz,
@@ -1376,6 +1392,29 @@ static int reg_rules_intersect(const struct ieee80211_regdomain *rd1,
         intersected_rule->dfs_cac_ms = max(rule1->dfs_cac_ms,
                                            rule2->dfs_cac_ms);
 
+        if (rule1->has_wmm && rule2->has_wmm) {
+                u8 ac;
+
+                for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
+                        reg_wmm_rules_intersect(&wmm_rule1->client[ac],
+                                                &wmm_rule2->client[ac],
+                                                &wmm_rule->client[ac]);
+                        reg_wmm_rules_intersect(&wmm_rule1->ap[ac],
+                                                &wmm_rule2->ap[ac],
+                                                &wmm_rule->ap[ac]);
+                }
+
+                intersected_rule->has_wmm = true;
+        } else if (rule1->has_wmm) {
+                *wmm_rule = *wmm_rule1;
+                intersected_rule->has_wmm = true;
+        } else if (rule2->has_wmm) {
+                *wmm_rule = *wmm_rule2;
+                intersected_rule->has_wmm = true;
+        } else {
+                intersected_rule->has_wmm = false;
+        }
+
         if (!is_valid_reg_rule(intersected_rule))
                 return -EINVAL;
 
diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index 287518c6caa4..04d888628f29 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -190,10 +190,9 @@ static size_t cfg80211_gen_new_ie(const u8 *ie, size_t ielen,
         /* copy subelement as we need to change its content to
          * mark an ie after it is processed.
          */
-        sub_copy = kmalloc(subie_len, gfp);
+        sub_copy = kmemdup(subelement, subie_len, gfp);
         if (!sub_copy)
                 return 0;
-        memcpy(sub_copy, subelement, subie_len);
 
         pos = &new_ie[0];
 
diff --git a/net/wireless/util.c b/net/wireless/util.c
index e4b8db5e81ec..75899b62bdc9 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -1220,9 +1220,11 @@ static u32 cfg80211_calculate_bitrate_he(struct rate_info *rate)
         else if (rate->bw == RATE_INFO_BW_HE_RU &&
                  rate->he_ru_alloc == NL80211_RATE_INFO_HE_RU_ALLOC_26)
                 result = rates_26[rate->he_gi];
-        else if (WARN(1, "invalid HE MCS: bw:%d, ru:%d\n",
-                      rate->bw, rate->he_ru_alloc))
+        else {
+                WARN(1, "invalid HE MCS: bw:%d, ru:%d\n",
+                     rate->bw, rate->he_ru_alloc);
                 return 0;
+        }
 
         /* now scale to the appropriate MCS */
         tmp = result;