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

Pull networking fixes from David Miller:
 "Hopefully the last round of fixes this release, fingers crossed :)

   1) Initialize static nf_conntrack_locks_all_lock properly, from
      Florian Westphal.

   2) Need to cancel pending work when destroying IDLETIMER entries,
      from Liping Zhang.

   3) Fix TX param usage when sending TSO over iwlwifi devices, from
      Emmanuel Grumbach.

   4) NFACCT quota params not validated properly, from Phil Turnbull.

   5) Resolve more glibc vs.  kernel header conflicts, from Mikko
      Tapeli.

   6) Missing IRQ free in ravb_close(), from Geert Uytterhoeven.

   7) Fix infoleak in x25, from Kangjie Lu.

   8) Similarly in thunderx driver, from Heinrich Schuchardt.

   9) tc_ife.h uapi header not exported properly, from Jamal Hadi Salim.

  10) Don't reenable PHY interreupts if device is in polling mode, from
      Shaohui Xie.

  11) Packet scheduler actions late binding was not being handled
      properly at all, from Jamal Hadi Salim.

  12) Fix binding of conntrack entries to helpers in openvswitch, from
      Joe Stringer"

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (21 commits)
  gre: do not keep the GRE header around in collect medata mode
  openvswitch: Fix cached ct with helper.
  net sched: ife action fix late binding
  net sched: skbedit action fix late binding
  net sched: simple action fix late binding
  net sched: mirred action fix late binding
  net sched: ipt action fix late binding
  net sched: vlan action fix late binding
  net: phylib: fix interrupts re-enablement in phy_start
  tcp: refresh skb timestamp at retransmit time
  net: nps_enet: bug fix - handle lost tx interrupts
  net: nps_enet: Tx handler synchronization
  export tc ife uapi header
  net: thunderx: avoid exposing kernel stack
  net: fix a kernel infoleak in x25 module
  ravb: Add missing free_irq() call to ravb_close()
  uapi glibc compat: fix compile errors when glibc net/if.h included before linux/if.h
  netfilter: nfnetlink_acct: validate NFACCT_QUOTA parameter
  iwlwifi: mvm: don't override the rate with the AMSDU len
  netfilter: IDLETIMER: fix race condition when destroy the target
  ...

22 files changed, 258 insertions, 86 deletions

diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_queues.c b/drivers/net/ethernet/cavium/thunder/nicvf_queues.c
index fa05e347262f..06b819db51b1 100644
--- a/drivers/net/ethernet/cavium/thunder/nicvf_queues.c
+++ b/drivers/net/ethernet/cavium/thunder/nicvf_queues.c
@@ -533,6 +533,7 @@ static void nicvf_rcv_queue_config(struct nicvf *nic, struct queue_set *qs,
 		nicvf_config_vlan_stripping(nic, nic->netdev->features);
 
 	/* Enable Receive queue */
+	memset(&rq_cfg, 0, sizeof(struct rq_cfg));
 	rq_cfg.ena = 1;
 	rq_cfg.tcp_ena = 0;
 	nicvf_queue_reg_write(nic, NIC_QSET_RQ_0_7_CFG, qidx, *(u64 *)&rq_cfg);
@@ -565,6 +566,7 @@ void nicvf_cmp_queue_config(struct nicvf *nic, struct queue_set *qs,
 			      qidx, (u64)(cq->dmem.phys_base));
 
 	/* Enable Completion queue */
+	memset(&cq_cfg, 0, sizeof(struct cq_cfg));
 	cq_cfg.ena = 1;
 	cq_cfg.reset = 0;
 	cq_cfg.caching = 0;
@@ -613,6 +615,7 @@ static void nicvf_snd_queue_config(struct nicvf *nic, struct queue_set *qs,
 			      qidx, (u64)(sq->dmem.phys_base));
 
 	/* Enable send queue  & set queue size */
+	memset(&sq_cfg, 0, sizeof(struct sq_cfg));
 	sq_cfg.ena = 1;
 	sq_cfg.reset = 0;
 	sq_cfg.ldwb = 0;
@@ -649,6 +652,7 @@ static void nicvf_rbdr_config(struct nicvf *nic, struct queue_set *qs,
 
 	/* Enable RBDR  & set queue size */
 	/* Buffer size should be in multiples of 128 bytes */
+	memset(&rbdr_cfg, 0, sizeof(struct rbdr_cfg));
 	rbdr_cfg.ena = 1;
 	rbdr_cfg.reset = 0;
 	rbdr_cfg.ldwb = 0;
diff --git a/drivers/net/ethernet/ezchip/nps_enet.c b/drivers/net/ethernet/ezchip/nps_enet.c
index 1f23845a0694..085f9125cf42 100644
--- a/drivers/net/ethernet/ezchip/nps_enet.c
+++ b/drivers/net/ethernet/ezchip/nps_enet.c
@@ -145,7 +145,7 @@ static void nps_enet_tx_handler(struct net_device *ndev)
 	u32 tx_ctrl_nt = (tx_ctrl_value & TX_CTL_NT_MASK) >> TX_CTL_NT_SHIFT;
 
 	/* Check if we got TX */
-	if (!priv->tx_packet_sent || tx_ctrl_ct)
+	if (!priv->tx_skb || tx_ctrl_ct)
 		return;
 
 	/* Ack Tx ctrl register */
@@ -160,7 +160,7 @@ static void nps_enet_tx_handler(struct net_device *ndev)
 	}
 
 	dev_kfree_skb(priv->tx_skb);
-	priv->tx_packet_sent = false;
+	priv->tx_skb = NULL;
 
 	if (netif_queue_stopped(ndev))
 		netif_wake_queue(ndev);
@@ -183,6 +183,9 @@ static int nps_enet_poll(struct napi_struct *napi, int budget)
 	work_done = nps_enet_rx_handler(ndev);
 	if (work_done < budget) {
 		u32 buf_int_enable_value = 0;
+		u32 tx_ctrl_value = nps_enet_reg_get(priv, NPS_ENET_REG_TX_CTL);
+		u32 tx_ctrl_ct =
+			(tx_ctrl_value & TX_CTL_CT_MASK) >> TX_CTL_CT_SHIFT;
 
 		napi_complete(napi);
 
@@ -192,6 +195,18 @@ static int nps_enet_poll(struct napi_struct *napi, int budget)
 
 		nps_enet_reg_set(priv, NPS_ENET_REG_BUF_INT_ENABLE,
 				 buf_int_enable_value);
+
+		/* in case we will get a tx interrupt while interrupts
+		 * are masked, we will lose it since the tx is edge interrupt.
+		 * specifically, while executing the code section above,
+		 * between nps_enet_tx_handler and the interrupts enable, all
+		 * tx requests will be stuck until we will get an rx interrupt.
+		 * the two code lines below will solve this situation by
+		 * re-adding ourselves to the poll list.
+		 */
+
+		if (priv->tx_skb && !tx_ctrl_ct)
+			napi_reschedule(napi);
 	}
 
 	return work_done;
@@ -217,7 +232,7 @@ static irqreturn_t nps_enet_irq_handler(s32 irq, void *dev_instance)
 	u32 tx_ctrl_ct = (tx_ctrl_value & TX_CTL_CT_MASK) >> TX_CTL_CT_SHIFT;
 	u32 rx_ctrl_cr = (rx_ctrl_value & RX_CTL_CR_MASK) >> RX_CTL_CR_SHIFT;
 
-	if ((!tx_ctrl_ct && priv->tx_packet_sent) || rx_ctrl_cr)
+	if ((!tx_ctrl_ct && priv->tx_skb) || rx_ctrl_cr)
 		if (likely(napi_schedule_prep(&priv->napi))) {
 			nps_enet_reg_set(priv, NPS_ENET_REG_BUF_INT_ENABLE, 0);
 			__napi_schedule(&priv->napi);
@@ -387,8 +402,6 @@ static void nps_enet_send_frame(struct net_device *ndev,
 	/* Write the length of the Frame */
 	tx_ctrl_value |= length << TX_CTL_NT_SHIFT;
 
-	/* Indicate SW is done */
-	priv->tx_packet_sent = true;
 	tx_ctrl_value |= NPS_ENET_ENABLE << TX_CTL_CT_SHIFT;
 	/* Send Frame */
 	nps_enet_reg_set(priv, NPS_ENET_REG_TX_CTL, tx_ctrl_value);
@@ -465,7 +478,7 @@ static s32 nps_enet_open(struct net_device *ndev)
 	s32 err;
 
 	/* Reset private variables */
-	priv->tx_packet_sent = false;
+	priv->tx_skb = NULL;
 	priv->ge_mac_cfg_2_value = 0;
 	priv->ge_mac_cfg_3_value = 0;
 
@@ -534,6 +547,11 @@ static netdev_tx_t nps_enet_start_xmit(struct sk_buff *skb,
 
 	priv->tx_skb = skb;
 
+	/* make sure tx_skb is actually written to the memory
+	 * before the HW is informed and the IRQ is fired.
+	 */
+	wmb();
+
 	nps_enet_send_frame(ndev, skb);
 
 	return NETDEV_TX_OK;
diff --git a/drivers/net/ethernet/ezchip/nps_enet.h b/drivers/net/ethernet/ezchip/nps_enet.h
index d0cab600bce8..3939ca20cc9f 100644
--- a/drivers/net/ethernet/ezchip/nps_enet.h
+++ b/drivers/net/ethernet/ezchip/nps_enet.h
@@ -165,14 +165,12 @@
  * struct nps_enet_priv - Storage of ENET's private information.
  * @regs_base:      Base address of ENET memory-mapped control registers.
  * @irq:            For RX/TX IRQ number.
- * @tx_packet_sent: SW indication if frame is being sent.
  * @tx_skb:         socket buffer of sent frame.
  * @napi:           Structure for NAPI.
  */
 struct nps_enet_priv {
 	void __iomem *regs_base;
 	s32 irq;
-	bool tx_packet_sent;
 	struct sk_buff *tx_skb;
 	struct napi_struct napi;
 	u32 ge_mac_cfg_2_value;
diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c
index 9e2a0bd8f5a8..4277d0c12101 100644
--- a/drivers/net/ethernet/renesas/ravb_main.c
+++ b/drivers/net/ethernet/renesas/ravb_main.c
@@ -1506,6 +1506,8 @@ static int ravb_close(struct net_device *ndev)
 		priv->phydev = NULL;
 	}
 
+	if (priv->chip_id == RCAR_GEN3)
+		free_irq(priv->emac_irq, ndev);
 	free_irq(ndev->irq, ndev);
 
 	napi_disable(&priv->napi[RAVB_NC]);
diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c
index 5590b9c182c9..445fc5aef308 100644
--- a/drivers/net/phy/phy.c
+++ b/drivers/net/phy/phy.c
@@ -790,9 +790,11 @@ void phy_start(struct phy_device *phydev)
 		break;
 	case PHY_HALTED:
 		/* make sure interrupts are re-enabled for the PHY */
-		err = phy_enable_interrupts(phydev);
-		if (err < 0)
-			break;
+		if (phydev->irq != PHY_POLL) {
+			err = phy_enable_interrupts(phydev);
+			if (err < 0)
+				break;
+		}
 
 		phydev->state = PHY_RESUMING;
 		do_resume = true;
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
index 75870e68a7c3..34731e29c589 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
@@ -105,6 +105,7 @@ void iwl_mvm_set_tx_cmd(struct iwl_mvm *mvm, struct sk_buff *skb,
 			struct iwl_tx_cmd *tx_cmd,
 			struct ieee80211_tx_info *info, u8 sta_id)
 {
+	struct ieee80211_tx_info *skb_info = IEEE80211_SKB_CB(skb);
 	struct ieee80211_hdr *hdr = (void *)skb->data;
 	__le16 fc = hdr->frame_control;
 	u32 tx_flags = le32_to_cpu(tx_cmd->tx_flags);
@@ -185,7 +186,7 @@ void iwl_mvm_set_tx_cmd(struct iwl_mvm *mvm, struct sk_buff *skb,
 	tx_cmd->tx_flags = cpu_to_le32(tx_flags);
 	/* Total # bytes to be transmitted */
 	tx_cmd->len = cpu_to_le16((u16)skb->len +
-		(uintptr_t)info->driver_data[0]);
+		(uintptr_t)skb_info->driver_data[0]);
 	tx_cmd->next_frame_len = 0;
 	tx_cmd->life_time = cpu_to_le32(TX_CMD_LIFE_TIME_INFINITE);
 	tx_cmd->sta_id = sta_id;
@@ -327,10 +328,11 @@ static void iwl_mvm_set_tx_cmd_crypto(struct iwl_mvm *mvm,
  */
 static struct iwl_device_cmd *
 iwl_mvm_set_tx_params(struct iwl_mvm *mvm, struct sk_buff *skb,
-		      int hdrlen, struct ieee80211_sta *sta, u8 sta_id)
+		      struct ieee80211_tx_info *info, int hdrlen,
+		      struct ieee80211_sta *sta, u8 sta_id)
 {
 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
-	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+	struct ieee80211_tx_info *skb_info = IEEE80211_SKB_CB(skb);
 	struct iwl_device_cmd *dev_cmd;
 	struct iwl_tx_cmd *tx_cmd;
 
@@ -350,10 +352,10 @@ iwl_mvm_set_tx_params(struct iwl_mvm *mvm, struct sk_buff *skb,
 
 	iwl_mvm_set_tx_cmd_rate(mvm, tx_cmd, info, sta, hdr->frame_control);
 
-	memset(&info->status, 0, sizeof(info->status));
-	memset(info->driver_data, 0, sizeof(info->driver_data));
+	memset(&skb_info->status, 0, sizeof(skb_info->status));
+	memset(skb_info->driver_data, 0, sizeof(skb_info->driver_data));
 
-	info->driver_data[1] = dev_cmd;
+	skb_info->driver_data[1] = dev_cmd;
 
 	return dev_cmd;
 }
@@ -361,22 +363,25 @@ iwl_mvm_set_tx_params(struct iwl_mvm *mvm, struct sk_buff *skb,
 int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb)
 {
 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
-	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+	struct ieee80211_tx_info *skb_info = IEEE80211_SKB_CB(skb);
+	struct ieee80211_tx_info info;
 	struct iwl_device_cmd *dev_cmd;
 	struct iwl_tx_cmd *tx_cmd;
 	u8 sta_id;
 	int hdrlen = ieee80211_hdrlen(hdr->frame_control);
 
-	if (WARN_ON_ONCE(info->flags & IEEE80211_TX_CTL_AMPDU))
+	memcpy(&info, skb->cb, sizeof(info));
+
+	if (WARN_ON_ONCE(info.flags & IEEE80211_TX_CTL_AMPDU))
 		return -1;
 
-	if (WARN_ON_ONCE(info->flags & IEEE80211_TX_CTL_SEND_AFTER_DTIM &&
-			 (!info->control.vif ||
-			  info->hw_queue != info->control.vif->cab_queue)))
+	if (WARN_ON_ONCE(info.flags & IEEE80211_TX_CTL_SEND_AFTER_DTIM &&
+			 (!info.control.vif ||
+			  info.hw_queue != info.control.vif->cab_queue)))
 		return -1;
 
 	/* This holds the amsdu headers length */
-	info->driver_data[0] = (void *)(uintptr_t)0;
+	skb_info->driver_data[0] = (void *)(uintptr_t)0;
 
 	/*
 	 * IWL_MVM_OFFCHANNEL_QUEUE is used for ROC packets that can be used
@@ -385,7 +390,7 @@ int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb)
 	 * and hence needs to be sent on the aux queue
 	 */
 	if (IEEE80211_SKB_CB(skb)->hw_queue == IWL_MVM_OFFCHANNEL_QUEUE &&
-	    info->control.vif->type == NL80211_IFTYPE_STATION)
+	    info.control.vif->type == NL80211_IFTYPE_STATION)
 		IEEE80211_SKB_CB(skb)->hw_queue = mvm->aux_queue;
 
 	/*
@@ -398,14 +403,14 @@ int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb)
 	 * AUX station.
 	 */
 	sta_id = mvm->aux_sta.sta_id;
-	if (info->control.vif) {
+	if (info.control.vif) {
 		struct iwl_mvm_vif *mvmvif =
-			iwl_mvm_vif_from_mac80211(info->control.vif);
+			iwl_mvm_vif_from_mac80211(info.control.vif);
 
-		if (info->control.vif->type == NL80211_IFTYPE_P2P_DEVICE ||
-		    info->control.vif->type == NL80211_IFTYPE_AP)
+		if (info.control.vif->type == NL80211_IFTYPE_P2P_DEVICE ||
+		    info.control.vif->type == NL80211_IFTYPE_AP)
 			sta_id = mvmvif->bcast_sta.sta_id;
-		else if (info->control.vif->type == NL80211_IFTYPE_STATION &&
+		else if (info.control.vif->type == NL80211_IFTYPE_STATION &&
 			 is_multicast_ether_addr(hdr->addr1)) {
 			u8 ap_sta_id = ACCESS_ONCE(mvmvif->ap_sta_id);
 
@@ -414,19 +419,18 @@ int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb)
 		}
 	}
 
-	IWL_DEBUG_TX(mvm, "station Id %d, queue=%d\n", sta_id, info->hw_queue);
+	IWL_DEBUG_TX(mvm, "station Id %d, queue=%d\n", sta_id, info.hw_queue);
 
-	dev_cmd = iwl_mvm_set_tx_params(mvm, skb, hdrlen, NULL, sta_id);
+	dev_cmd = iwl_mvm_set_tx_params(mvm, skb, &info, hdrlen, NULL, sta_id);
 	if (!dev_cmd)
 		return -1;
 
-	/* From now on, we cannot access info->control */
 	tx_cmd = (struct iwl_tx_cmd *)dev_cmd->payload;
 
 	/* Copy MAC header from skb into command buffer */
 	memcpy(tx_cmd->hdr, hdr, hdrlen);
 
-	if (iwl_trans_tx(mvm->trans, skb, dev_cmd, info->hw_queue)) {
+	if (iwl_trans_tx(mvm->trans, skb, dev_cmd, info.hw_queue)) {
 		iwl_trans_free_tx_cmd(mvm->trans, dev_cmd);
 		return -1;
 	}
@@ -445,11 +449,11 @@ int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb)
 
 #ifdef CONFIG_INET
 static int iwl_mvm_tx_tso(struct iwl_mvm *mvm, struct sk_buff *skb,
+			  struct ieee80211_tx_info *info,
 			  struct ieee80211_sta *sta,
 			  struct sk_buff_head *mpdus_skb)
 {
 	struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
-	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
 	struct ieee80211_hdr *hdr = (void *)skb->data;
 	unsigned int mss = skb_shinfo(skb)->gso_size;
 	struct sk_buff *tmp, *next;
@@ -544,6 +548,8 @@ static int iwl_mvm_tx_tso(struct iwl_mvm *mvm, struct sk_buff *skb,
 
 	/* This skb fits in one single A-MSDU */
 	if (num_subframes * mss >= tcp_payload_len) {
+		struct ieee80211_tx_info *skb_info = IEEE80211_SKB_CB(skb);
+
 		/*
 		 * Compute the length of all the data added for the A-MSDU.
 		 * This will be used to compute the length to write in the TX
@@ -552,11 +558,10 @@ static int iwl_mvm_tx_tso(struct iwl_mvm *mvm, struct sk_buff *skb,
 		 * already had one set of SNAP / IP / TCP headers.
 		 */
 		num_subframes = DIV_ROUND_UP(tcp_payload_len, mss);
-		info = IEEE80211_SKB_CB(skb);
 		amsdu_add = num_subframes * sizeof(struct ethhdr) +
 			(num_subframes - 1) * (snap_ip_tcp + pad);
 		/* This holds the amsdu headers length */
-		info->driver_data[0] = (void *)(uintptr_t)amsdu_add;
+		skb_info->driver_data[0] = (void *)(uintptr_t)amsdu_add;
 
 		__skb_queue_tail(mpdus_skb, skb);
 		return 0;
@@ -596,11 +601,14 @@ segment:
 			ip_hdr(tmp)->id = htons(ip_base_id + i * num_subframes);
 
 		if (tcp_payload_len > mss) {
+			struct ieee80211_tx_info *skb_info =
+				IEEE80211_SKB_CB(tmp);
+
 			num_subframes = DIV_ROUND_UP(tcp_payload_len, mss);
-			info = IEEE80211_SKB_CB(tmp);
 			amsdu_add = num_subframes * sizeof(struct ethhdr) +
 				(num_subframes - 1) * (snap_ip_tcp + pad);
-			info->driver_data[0] = (void *)(uintptr_t)amsdu_add;
+			skb_info->driver_data[0] =
+				(void *)(uintptr_t)amsdu_add;
 			skb_shinfo(tmp)->gso_size = mss;
 		} else {
 			qc = ieee80211_get_qos_ctl((void *)tmp->data);
@@ -622,6 +630,7 @@ segment:
 }
 #else /* CONFIG_INET */
 static int iwl_mvm_tx_tso(struct iwl_mvm *mvm, struct sk_buff *skb,
+			  struct ieee80211_tx_info *info,
 			  struct ieee80211_sta *sta,
 			  struct sk_buff_head *mpdus_skb)
 {
@@ -636,10 +645,10 @@ static int iwl_mvm_tx_tso(struct iwl_mvm *mvm, struct sk_buff *skb,
  * Sets the fields in the Tx cmd that are crypto related
  */
 static int iwl_mvm_tx_mpdu(struct iwl_mvm *mvm, struct sk_buff *skb,
+			   struct ieee80211_tx_info *info,
 			   struct ieee80211_sta *sta)
 {
 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
-	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
 	struct iwl_mvm_sta *mvmsta;
 	struct iwl_device_cmd *dev_cmd;
 	struct iwl_tx_cmd *tx_cmd;
@@ -660,7 +669,8 @@ static int iwl_mvm_tx_mpdu(struct iwl_mvm *mvm, struct sk_buff *skb,
 	if (WARN_ON_ONCE(mvmsta->sta_id == IWL_MVM_STATION_COUNT))
 		return -1;
 
-	dev_cmd = iwl_mvm_set_tx_params(mvm, skb, hdrlen, sta, mvmsta->sta_id);
+	dev_cmd = iwl_mvm_set_tx_params(mvm, skb, info, hdrlen,
+					sta, mvmsta->sta_id);
 	if (!dev_cmd)
 		goto drop;
 
@@ -736,7 +746,8 @@ int iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb,
 		   struct ieee80211_sta *sta)
 {
 	struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
-	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+	struct ieee80211_tx_info *skb_info = IEEE80211_SKB_CB(skb);
+	struct ieee80211_tx_info info;
 	struct sk_buff_head mpdus_skbs;
 	unsigned int payload_len;
 	int ret;
@@ -747,21 +758,23 @@ int iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb,
 	if (WARN_ON_ONCE(mvmsta->sta_id == IWL_MVM_STATION_COUNT))
 		return -1;
 
+	memcpy(&info, skb->cb, sizeof(info));
+
 	/* This holds the amsdu headers length */
-	info->driver_data[0] = (void *)(uintptr_t)0;
+	skb_info->driver_data[0] = (void *)(uintptr_t)0;
 
 	if (!skb_is_gso(skb))
-		return iwl_mvm_tx_mpdu(mvm, skb, sta);
+		return iwl_mvm_tx_mpdu(mvm, skb, &info, sta);
 
 	payload_len = skb_tail_pointer(skb) - skb_transport_header(skb) -
 		tcp_hdrlen(skb) + skb->data_len;
 
 	if (payload_len <= skb_shinfo(skb)->gso_size)
-		return iwl_mvm_tx_mpdu(mvm, skb, sta);
+		return iwl_mvm_tx_mpdu(mvm, skb, &info, sta);
 
 	__skb_queue_head_init(&mpdus_skbs);
 
-	ret = iwl_mvm_tx_tso(mvm, skb, sta, &mpdus_skbs);
+	ret = iwl_mvm_tx_tso(mvm, skb, &info, sta, &mpdus_skbs);
 	if (ret)
 		return ret;
 
@@ -771,7 +784,7 @@ int iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb,
 	while (!skb_queue_empty(&mpdus_skbs)) {
 		skb = __skb_dequeue(&mpdus_skbs);
 
-		ret = iwl_mvm_tx_mpdu(mvm, skb, sta);
+		ret = iwl_mvm_tx_mpdu(mvm, skb, &info, sta);
 		if (ret) {
 			__skb_queue_purge(&mpdus_skbs);
 			return ret;
diff --git a/include/uapi/linux/if.h b/include/uapi/linux/if.h
index f80277569f24..e601c8c3bdc7 100644
--- a/include/uapi/linux/if.h
+++ b/include/uapi/linux/if.h
@@ -19,14 +19,20 @@
 #ifndef _LINUX_IF_H
 #define _LINUX_IF_H
 
+#include <linux/libc-compat.h>          /* for compatibility with glibc */
 #include <linux/types.h>		/* for "__kernel_caddr_t" et al	*/
 #include <linux/socket.h>		/* for "struct sockaddr" et al	*/
 #include <linux/compiler.h>		/* for "__user" et al           */
 
+#if __UAPI_DEF_IF_IFNAMSIZ
 #define	IFNAMSIZ	16
+#endif /* __UAPI_DEF_IF_IFNAMSIZ */
 #define	IFALIASZ	256
 #include <linux/hdlc/ioctl.h>
 
+/* For glibc compatibility. An empty enum does not compile. */
+#if __UAPI_DEF_IF_NET_DEVICE_FLAGS_LOWER_UP_DORMANT_ECHO != 0 && \
+    __UAPI_DEF_IF_NET_DEVICE_FLAGS != 0
 /**
  * enum net_device_flags - &struct net_device flags
  *
@@ -68,6 +74,8 @@
  * @IFF_ECHO: echo sent packets. Volatile.
  */
 enum net_device_flags {
+/* for compatibility with glibc net/if.h */
+#if __UAPI_DEF_IF_NET_DEVICE_FLAGS
 	IFF_UP				= 1<<0,  /* sysfs */
 	IFF_BROADCAST			= 1<<1,  /* volatile */
 	IFF_DEBUG			= 1<<2,  /* sysfs */
@@ -84,11 +92,17 @@ enum net_device_flags {
 	IFF_PORTSEL			= 1<<13, /* sysfs */
 	IFF_AUTOMEDIA			= 1<<14, /* sysfs */
 	IFF_DYNAMIC			= 1<<15, /* sysfs */
+#endif /* __UAPI_DEF_IF_NET_DEVICE_FLAGS */
+#if __UAPI_DEF_IF_NET_DEVICE_FLAGS_LOWER_UP_DORMANT_ECHO
 	IFF_LOWER_UP			= 1<<16, /* volatile */
 	IFF_DORMANT			= 1<<17, /* volatile */
 	IFF_ECHO			= 1<<18, /* volatile */
+#endif /* __UAPI_DEF_IF_NET_DEVICE_FLAGS_LOWER_UP_DORMANT_ECHO */
 };
+#endif /* __UAPI_DEF_IF_NET_DEVICE_FLAGS_LOWER_UP_DORMANT_ECHO != 0 && __UAPI_DEF_IF_NET_DEVICE_FLAGS != 0 */
 
+/* for compatibility with glibc net/if.h */
+#if __UAPI_DEF_IF_NET_DEVICE_FLAGS
 #define IFF_UP				IFF_UP
 #define IFF_BROADCAST			IFF_BROADCAST
 #define IFF_DEBUG			IFF_DEBUG
@@ -105,9 +119,13 @@ enum net_device_flags {
 #define IFF_PORTSEL			IFF_PORTSEL
 #define IFF_AUTOMEDIA			IFF_AUTOMEDIA
 #define IFF_DYNAMIC			IFF_DYNAMIC
+#endif /* __UAPI_DEF_IF_NET_DEVICE_FLAGS */
+
+#if __UAPI_DEF_IF_NET_DEVICE_FLAGS_LOWER_UP_DORMANT_ECHO
 #define IFF_LOWER_UP			IFF_LOWER_UP
 #define IFF_DORMANT			IFF_DORMANT
 #define IFF_ECHO			IFF_ECHO
+#endif /* __UAPI_DEF_IF_NET_DEVICE_FLAGS_LOWER_UP_DORMANT_ECHO */
 
 #define IFF_VOLATILE	(IFF_LOOPBACK|IFF_POINTOPOINT|IFF_BROADCAST|IFF_ECHO|\
 		IFF_MASTER|IFF_SLAVE|IFF_RUNNING|IFF_LOWER_UP|IFF_DORMANT)
@@ -166,6 +184,8 @@ enum {
  *	being very small might be worth keeping for clean configuration.
  */
 
+/* for compatibility with glibc net/if.h */
+#if __UAPI_DEF_IF_IFMAP
 struct ifmap {
 	unsigned long mem_start;
 	unsigned long mem_end;
@@ -175,6 +195,7 @@ struct ifmap {
 	unsigned char port;
 	/* 3 bytes spare */
 };
+#endif /* __UAPI_DEF_IF_IFMAP */
 
 struct if_settings {
 	unsigned int type;	/* Type of physical device or protocol */
@@ -200,6 +221,8 @@ struct if_settings {
  * remainder may be interface specific.
  */
 
+/* for compatibility with glibc net/if.h */
+#if __UAPI_DEF_IF_IFREQ
 struct ifreq {
 #define IFHWADDRLEN	6
 	union
@@ -223,6 +246,7 @@ struct ifreq {
 		struct	if_settings ifru_settings;
 	} ifr_ifru;
 };
+#endif /* __UAPI_DEF_IF_IFREQ */
 
 #define ifr_name	ifr_ifrn.ifrn_name	/* interface name 	*/
 #define ifr_hwaddr	ifr_ifru.ifru_hwaddr	/* MAC address 		*/
@@ -249,6 +273,8 @@ struct ifreq {
  * must know all networks accessible).
  */
 
+/* for compatibility with glibc net/if.h */
+#if __UAPI_DEF_IF_IFCONF
 struct ifconf  {
 	int	ifc_len;			/* size of buffer	*/
 	union {
@@ -256,6 +282,8 @@ struct ifconf  {
 		struct ifreq __user *ifcu_req;
 	} ifc_ifcu;
 };
+#endif /* __UAPI_DEF_IF_IFCONF */
+
 #define	ifc_buf	ifc_ifcu.ifcu_buf		/* buffer address	*/
 #define	ifc_req	ifc_ifcu.ifcu_req		/* array of structures	*/
 
diff --git a/include/uapi/linux/libc-compat.h b/include/uapi/linux/libc-compat.h
index 7d024ceb075d..d5e38c73377c 100644
--- a/include/uapi/linux/libc-compat.h
+++ b/include/uapi/linux/libc-compat.h
@@ -51,6 +51,40 @@
 /* We have included glibc headers... */
 #if defined(__GLIBC__)
 
+/* Coordinate with glibc net/if.h header. */
+#if defined(_NET_IF_H)
+
+/* GLIBC headers included first so don't define anything
+ * that would already be defined. */
+
+#define __UAPI_DEF_IF_IFCONF 0
+#define __UAPI_DEF_IF_IFMAP 0
+#define __UAPI_DEF_IF_IFNAMSIZ 0
+#define __UAPI_DEF_IF_IFREQ 0
+/* Everything up to IFF_DYNAMIC, matches net/if.h until glibc 2.23 */
+#define __UAPI_DEF_IF_NET_DEVICE_FLAGS 0
+/* For the future if glibc adds IFF_LOWER_UP, IFF_DORMANT and IFF_ECHO */
+#ifndef __UAPI_DEF_IF_NET_DEVICE_FLAGS_LOWER_UP_DORMANT_ECHO
+#define __UAPI_DEF_IF_NET_DEVICE_FLAGS_LOWER_UP_DORMANT_ECHO 1
+#endif /* __UAPI_DEF_IF_NET_DEVICE_FLAGS_LOWER_UP_DORMANT_ECHO */
+
+#else /* _NET_IF_H */
+
+/* Linux headers included first, and we must define everything
+ * we need. The expectation is that glibc will check the
+ * __UAPI_DEF_* defines and adjust appropriately. */
+
+#define __UAPI_DEF_IF_IFCONF 1
+#define __UAPI_DEF_IF_IFMAP 1
+#define __UAPI_DEF_IF_IFNAMSIZ 1
+#define __UAPI_DEF_IF_IFREQ 1
+/* Everything up to IFF_DYNAMIC, matches net/if.h until glibc 2.23 */
+#define __UAPI_DEF_IF_NET_DEVICE_FLAGS 1
+/* For the future if glibc adds IFF_LOWER_UP, IFF_DORMANT and IFF_ECHO */
+#define __UAPI_DEF_IF_NET_DEVICE_FLAGS_LOWER_UP_DORMANT_ECHO 1
+
+#endif /* _NET_IF_H */
+
 /* Coordinate with glibc netinet/in.h header. */
 #if defined(_NETINET_IN_H)
 
@@ -117,6 +151,16 @@
  * that we need. */
 #else /* !defined(__GLIBC__) */
 
+/* Definitions for if.h */
+#define __UAPI_DEF_IF_IFCONF 1
+#define __UAPI_DEF_IF_IFMAP 1
+#define __UAPI_DEF_IF_IFNAMSIZ 1
+#define __UAPI_DEF_IF_IFREQ 1
+/* Everything up to IFF_DYNAMIC, matches net/if.h until glibc 2.23 */
+#define __UAPI_DEF_IF_NET_DEVICE_FLAGS 1
+/* For the future if glibc adds IFF_LOWER_UP, IFF_DORMANT and IFF_ECHO */
+#define __UAPI_DEF_IF_NET_DEVICE_FLAGS_LOWER_UP_DORMANT_ECHO 1
+
 /* Definitions for in.h */
 #define __UAPI_DEF_IN_ADDR		1
 #define __UAPI_DEF_IN_IPPROTO		1
diff --git a/include/uapi/linux/tc_act/Kbuild b/include/uapi/linux/tc_act/Kbuild
index 242cf0c6e33d..e3969bd939e4 100644
--- a/include/uapi/linux/tc_act/Kbuild
+++ b/include/uapi/linux/tc_act/Kbuild
@@ -10,3 +10,4 @@ header-y += tc_skbedit.h
 header-y += tc_vlan.h
 header-y += tc_bpf.h
 header-y += tc_connmark.h
+header-y += tc_ife.h
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index 205a2b8a5a84..4cc84212cce1 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -398,7 +398,10 @@ static int ipgre_rcv(struct sk_buff *skb, const struct tnl_ptk_info *tpi)
 				  iph->saddr, iph->daddr, tpi->key);
 
 	if (tunnel) {
-		skb_pop_mac_header(skb);
+		if (tunnel->dev->type != ARPHRD_NONE)
+			skb_pop_mac_header(skb);
+		else
+			skb_reset_mac_header(skb);
 		if (tunnel->collect_md) {
 			__be16 flags;
 			__be64 tun_id;
@@ -1031,6 +1034,8 @@ static void ipgre_netlink_parms(struct net_device *dev,
 		struct ip_tunnel *t = netdev_priv(dev);
 
 		t->collect_md = true;
+		if (dev->type == ARPHRD_IPGRE)
+			dev->type = ARPHRD_NONE;
 	}
 }
 
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 441ae9da3a23..79a03b87a771 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -2640,8 +2640,10 @@ int __tcp_retransmit_skb(struct sock *sk, struct sk_buff *skb)
 	 */
 	if (unlikely((NET_IP_ALIGN && ((unsigned long)skb->data & 3)) ||
 		     skb_headroom(skb) >= 0xFFFF)) {
-		struct sk_buff *nskb = __pskb_copy(skb, MAX_TCP_HEADER,
-						   GFP_ATOMIC);
+		struct sk_buff *nskb;
+
+		skb_mstamp_get(&skb->skb_mstamp);
+		nskb = __pskb_copy(skb, MAX_TCP_HEADER, GFP_ATOMIC);
 		err = nskb ? tcp_transmit_skb(sk, nskb, 0, GFP_ATOMIC) :
 			     -ENOBUFS;
 	} else {
diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c
index afde5f5e728a..895d11dced3c 100644
--- a/net/netfilter/nf_conntrack_core.c
+++ b/net/netfilter/nf_conntrack_core.c
@@ -66,7 +66,7 @@ EXPORT_SYMBOL_GPL(nf_conntrack_locks);
 __cacheline_aligned_in_smp DEFINE_SPINLOCK(nf_conntrack_expect_lock);
 EXPORT_SYMBOL_GPL(nf_conntrack_expect_lock);
 
-static __read_mostly spinlock_t nf_conntrack_locks_all_lock;
+static __read_mostly DEFINE_SPINLOCK(nf_conntrack_locks_all_lock);
 static __read_mostly bool nf_conntrack_locks_all;
 
 void nf_conntrack_lock(spinlock_t *lock) __acquires(lock)
diff --git a/net/netfilter/nfnetlink_acct.c b/net/netfilter/nfnetlink_acct.c
index 4c2b4c0c4d5f..dbd0803b1827 100644
--- a/net/netfilter/nfnetlink_acct.c
+++ b/net/netfilter/nfnetlink_acct.c
@@ -96,6 +96,8 @@ static int nfnl_acct_new(struct net *net, struct sock *nfnl,
 			return -EINVAL;
 		if (flags & NFACCT_F_OVERQUOTA)
 			return -EINVAL;
+		if ((flags & NFACCT_F_QUOTA) && !tb[NFACCT_QUOTA])
+			return -EINVAL;
 
 		size += sizeof(u64);
 	}
diff --git a/net/netfilter/xt_IDLETIMER.c b/net/netfilter/xt_IDLETIMER.c
index 29d2c31f406c..daf45da448fa 100644
--- a/net/netfilter/xt_IDLETIMER.c
+++ b/net/netfilter/xt_IDLETIMER.c
@@ -236,6 +236,7 @@ static void idletimer_tg_destroy(const struct xt_tgdtor_param *par)
 
 		list_del(&info->timer->entry);
 		del_timer_sync(&info->timer->timer);
+		cancel_work_sync(&info->timer->work);
 		sysfs_remove_file(idletimer_tg_kobj, &info->timer->attr.attr);
 		kfree(info->timer->attr.attr.name);
 		kfree(info->timer);
diff --git a/net/openvswitch/conntrack.c b/net/openvswitch/conntrack.c
index b5fea1101faa..10c84d882881 100644
--- a/net/openvswitch/conntrack.c
+++ b/net/openvswitch/conntrack.c
@@ -776,6 +776,19 @@ static int __ovs_ct_lookup(struct net *net, struct sw_flow_key *key,
 			return -EINVAL;
 		}
 
+		/* Userspace may decide to perform a ct lookup without a helper
+		 * specified followed by a (recirculate and) commit with one.
+		 * Therefore, for unconfirmed connections which we will commit,
+		 * we need to attach the helper here.
+		 */
+		if (!nf_ct_is_confirmed(ct) && info->commit &&
+		    info->helper && !nfct_help(ct)) {
+			int err = __nf_ct_try_assign_helper(ct, info->ct,
+							    GFP_ATOMIC);
+			if (err)
+				return err;
+		}
+
 		/* Call the helper only if:
 		 * - nf_conntrack_in() was executed above ("!cached") for a
 		 *   confirmed connection, or
diff --git a/net/sched/act_ife.c b/net/sched/act_ife.c
index c589a9ba506a..343d011aa818 100644
--- a/net/sched/act_ife.c
+++ b/net/sched/act_ife.c
@@ -423,7 +423,7 @@ static int tcf_ife_init(struct net *net, struct nlattr *nla,
 	u16 ife_type = 0;
 	u8 *daddr = NULL;
 	u8 *saddr = NULL;
-	int ret = 0;
+	int ret = 0, exists = 0;
 	int err;
 
 	err = nla_parse_nested(tb, TCA_IFE_MAX, nla, ife_policy);
@@ -435,25 +435,29 @@ static int tcf_ife_init(struct net *net, struct nlattr *nla,
 
 	parm = nla_data(tb[TCA_IFE_PARMS]);
 
+	exists = tcf_hash_check(tn, parm->index, a, bind);
+	if (exists && bind)
+		return 0;
+
 	if (parm->flags & IFE_ENCODE) {
 		/* Until we get issued the ethertype, we cant have
 		 * a default..
 		**/
 		if (!tb[TCA_IFE_TYPE]) {
+			if (exists)
+				tcf_hash_release(a, bind);
 			pr_info("You MUST pass etherype for encoding\n");
 			return -EINVAL;
 		}
 	}
 
-	if (!tcf_hash_check(tn, parm->index, a, bind)) {
+	if (!exists) {
 		ret = tcf_hash_create(tn, parm->index, est, a, sizeof(*ife),
 				      bind, false);
 		if (ret)
 			return ret;
 		ret = ACT_P_CREATED;
 	} else {
-		if (bind)	/* dont override defaults */
-			return 0;
 		tcf_hash_release(a, bind);
 		if (!ovr)
 			return -EEXIST;
@@ -495,6 +499,8 @@ static int tcf_ife_init(struct net *net, struct nlattr *nla,
 				       NULL);
 		if (err) {
 metadata_parse_err:
+			if (exists)
+				tcf_hash_release(a, bind);
 			if (ret == ACT_P_CREATED)
 				_tcf_ife_cleanup(a, bind);
 
diff --git a/net/sched/act_ipt.c b/net/sched/act_ipt.c
index 350e134cffb3..8b5270008a6e 100644
--- a/net/sched/act_ipt.c
+++ b/net/sched/act_ipt.c
@@ -96,7 +96,7 @@ static int __tcf_ipt_init(struct tc_action_net *tn, struct nlattr *nla,
 	struct tcf_ipt *ipt;
 	struct xt_entry_target *td, *t;
 	char *tname;
-	int ret = 0, err;
+	int ret = 0, err, exists = 0;
 	u32 hook = 0;
 	u32 index = 0;
 
@@ -107,18 +107,23 @@ static int __tcf_ipt_init(struct tc_action_net *tn, struct nlattr *nla,
 	if (err < 0)
 		return err;
 
-	if (tb[TCA_IPT_HOOK] == NULL)
-		return -EINVAL;
-	if (tb[TCA_IPT_TARG] == NULL)
+	if (tb[TCA_IPT_INDEX] != NULL)
+		index = nla_get_u32(tb[TCA_IPT_INDEX]);
+
+	exists = tcf_hash_check(tn, index, a, bind);
+	if (exists && bind)
+		return 0;
+
+	if (tb[TCA_IPT_HOOK] == NULL || tb[TCA_IPT_TARG] == NULL) {
+		if (exists)
+			tcf_hash_release(a, bind);
 		return -EINVAL;
+	}
 
 	td = (struct xt_entry_target *)nla_data(tb[TCA_IPT_TARG]);
 	if (nla_len(tb[TCA_IPT_TARG]) < td->u.target_size)
 		return -EINVAL;
 
-	if (tb[TCA_IPT_INDEX] != NULL)
-		index = nla_get_u32(tb[TCA_IPT_INDEX]);
-
 	if (!tcf_hash_check(tn, index, a, bind)) {
 		ret = tcf_hash_create(tn, index, est, a, sizeof(*ipt), bind,
 				      false);
diff --git a/net/sched/act_mirred.c b/net/sched/act_mirred.c
index e8a760cf7775..8f3948dd38b8 100644
--- a/net/sched/act_mirred.c
+++ b/net/sched/act_mirred.c
@@ -61,7 +61,7 @@ static int tcf_mirred_init(struct net *net, struct nlattr *nla,
 	struct tc_mirred *parm;
 	struct tcf_mirred *m;
 	struct net_device *dev;
-	int ret, ok_push = 0;
+	int ret, ok_push = 0, exists = 0;
 
 	if (nla == NULL)
 		return -EINVAL;
@@ -71,17 +71,27 @@ static int tcf_mirred_init(struct net *net, struct nlattr *nla,
 	if (tb[TCA_MIRRED_PARMS] == NULL)
 		return -EINVAL;
 	parm = nla_data(tb[TCA_MIRRED_PARMS]);
+
+	exists = tcf_hash_check(tn, parm->index, a, bind);
+	if (exists && bind)
+		return 0;
+
 	switch (parm->eaction) {
 	case TCA_EGRESS_MIRROR:
 	case TCA_EGRESS_REDIR:
 		break;
 	default:
+		if (exists)
+			tcf_hash_release(a, bind);
 		return -EINVAL;
 	}
 	if (parm->ifindex) {
 		dev = __dev_get_by_index(net, parm->ifindex);
-		if (dev == NULL)
+		if (dev == NULL) {
+			if (exists)
+				tcf_hash_release(a, bind);
 			return -ENODEV;
+		}
 		switch (dev->type) {
 		case ARPHRD_TUNNEL:
 		case ARPHRD_TUNNEL6:
@@ -99,7 +109,7 @@ static int tcf_mirred_init(struct net *net, struct nlattr *nla,
 		dev = NULL;
 	}
 
-	if (!tcf_hash_check(tn, parm->index, a, bind)) {
+	if (!exists) {
 		if (dev == NULL)
 			return -EINVAL;
 		ret = tcf_hash_create(tn, parm->index, est, a,
@@ -108,9 +118,6 @@ static int tcf_mirred_init(struct net *net, struct nlattr *nla,
 			return ret;
 		ret = ACT_P_CREATED;
 	} else {
-		if (bind)
-			return 0;
-
 		tcf_hash_release(a, bind);
 		if (!ovr)
 			return -EEXIST;
diff --git a/net/sched/act_simple.c b/net/sched/act_simple.c
index 75b2be13fbcc..3a33fb648a6d 100644
--- a/net/sched/act_simple.c
+++ b/net/sched/act_simple.c
@@ -87,7 +87,7 @@ static int tcf_simp_init(struct net *net, struct nlattr *nla,
 	struct tc_defact *parm;
 	struct tcf_defact *d;
 	char *defdata;
-	int ret = 0, err;
+	int ret = 0, err, exists = 0;
 
 	if (nla == NULL)
 		return -EINVAL;
@@ -99,13 +99,21 @@ static int tcf_simp_init(struct net *net, struct nlattr *nla,
 	if (tb[TCA_DEF_PARMS] == NULL)
 		return -EINVAL;
 
-	if (tb[TCA_DEF_DATA] == NULL)
-		return -EINVAL;
 
 	parm = nla_data(tb[TCA_DEF_PARMS]);
+	exists = tcf_hash_check(tn, parm->index, a, bind);
+	if (exists && bind)
+		return 0;
+
+	if (tb[TCA_DEF_DATA] == NULL) {
+		if (exists)
+			tcf_hash_release(a, bind);
+		return -EINVAL;
+	}
+
 	defdata = nla_data(tb[TCA_DEF_DATA]);
 
-	if (!tcf_hash_check(tn, parm->index, a, bind)) {
+	if (!exists) {
 		ret = tcf_hash_create(tn, parm->index, est, a,
 				      sizeof(*d), bind, false);
 		if (ret)
@@ -122,8 +130,6 @@ static int tcf_simp_init(struct net *net, struct nlattr *nla,
 	} else {
 		d = to_defact(a);
 
-		if (bind)
-			return 0;
 		tcf_hash_release(a, bind);
 		if (!ovr)
 			return -EEXIST;
diff --git a/net/sched/act_skbedit.c b/net/sched/act_skbedit.c
index cfcdbdc00c9b..69da5a8f0034 100644
--- a/net/sched/act_skbedit.c
+++ b/net/sched/act_skbedit.c
@@ -69,7 +69,7 @@ static int tcf_skbedit_init(struct net *net, struct nlattr *nla,
 	struct tcf_skbedit *d;
 	u32 flags = 0, *priority = NULL, *mark = NULL;
 	u16 *queue_mapping = NULL;
-	int ret = 0, err;
+	int ret = 0, err, exists = 0;
 
 	if (nla == NULL)
 		return -EINVAL;
@@ -96,12 +96,18 @@ static int tcf_skbedit_init(struct net *net, struct nlattr *nla,
 		mark = nla_data(tb[TCA_SKBEDIT_MARK]);
 	}
 
-	if (!flags)
-		return -EINVAL;
-
 	parm = nla_data(tb[TCA_SKBEDIT_PARMS]);
 
-	if (!tcf_hash_check(tn, parm->index, a, bind)) {
+	exists = tcf_hash_check(tn, parm->index, a, bind);
+	if (exists && bind)
+		return 0;
+
+	if (!flags) {
+		tcf_hash_release(a, bind);
+		return -EINVAL;
+	}
+
+	if (!exists) {
 		ret = tcf_hash_create(tn, parm->index, est, a,
 				      sizeof(*d), bind, false);
 		if (ret)
@@ -111,8 +117,6 @@ static int tcf_skbedit_init(struct net *net, struct nlattr *nla,
 		ret = ACT_P_CREATED;
 	} else {
 		d = to_skbedit(a);
-		if (bind)
-			return 0;
 		tcf_hash_release(a, bind);
 		if (!ovr)
 			return -EEXIST;
diff --git a/net/sched/act_vlan.c b/net/sched/act_vlan.c
index bab8ae0cefc0..c45f926dafb9 100644
--- a/net/sched/act_vlan.c
+++ b/net/sched/act_vlan.c
@@ -77,7 +77,7 @@ static int tcf_vlan_init(struct net *net, struct nlattr *nla,
 	int action;
 	__be16 push_vid = 0;
 	__be16 push_proto = 0;
-	int ret = 0;
+	int ret = 0, exists = 0;
 	int err;
 
 	if (!nla)
@@ -90,15 +90,25 @@ static int tcf_vlan_init(struct net *net, struct nlattr *nla,
 	if (!tb[TCA_VLAN_PARMS])
 		return -EINVAL;
 	parm = nla_data(tb[TCA_VLAN_PARMS]);
+	exists = tcf_hash_check(tn, parm->index, a, bind);
+	if (exists && bind)
+		return 0;
+
 	switch (parm->v_action) {
 	case TCA_VLAN_ACT_POP:
 		break;
 	case TCA_VLAN_ACT_PUSH:
-		if (!tb[TCA_VLAN_PUSH_VLAN_ID])
+		if (!tb[TCA_VLAN_PUSH_VLAN_ID]) {
+			if (exists)
+				tcf_hash_release(a, bind);
 			return -EINVAL;
+		}
 		push_vid = nla_get_u16(tb[TCA_VLAN_PUSH_VLAN_ID]);
-		if (push_vid >= VLAN_VID_MASK)
+		if (push_vid >= VLAN_VID_MASK) {
+			if (exists)
+				tcf_hash_release(a, bind);
 			return -ERANGE;
+		}
 
 		if (tb[TCA_VLAN_PUSH_VLAN_PROTOCOL]) {
 			push_proto = nla_get_be16(tb[TCA_VLAN_PUSH_VLAN_PROTOCOL]);
@@ -114,11 +124,13 @@ static int tcf_vlan_init(struct net *net, struct nlattr *nla,
 		}
 		break;
 	default:
+		if (exists)
+			tcf_hash_release(a, bind);
 		return -EINVAL;
 	}
 	action = parm->v_action;
 
-	if (!tcf_hash_check(tn, parm->index, a, bind)) {
+	if (!exists) {
 		ret = tcf_hash_create(tn, parm->index, est, a,
 				      sizeof(*v), bind, false);
 		if (ret)
@@ -126,8 +138,6 @@ static int tcf_vlan_init(struct net *net, struct nlattr *nla,
 
 		ret = ACT_P_CREATED;
 	} else {
-		if (bind)
-			return 0;
 		tcf_hash_release(a, bind);
 		if (!ovr)
 			return -EEXIST;
diff --git a/net/x25/x25_facilities.c b/net/x25/x25_facilities.c
index 7ecd04c21360..997ff7b2509b 100644
--- a/net/x25/x25_facilities.c
+++ b/net/x25/x25_facilities.c
@@ -277,6 +277,7 @@ int x25_negotiate_facilities(struct sk_buff *skb, struct sock *sk,
 
 	memset(&theirs, 0, sizeof(theirs));
 	memcpy(new, ours, sizeof(*new));
+	memset(dte, 0, sizeof(*dte));
 
 	len = x25_parse_facilities(skb, &theirs, dte, &x25->vc_facil_mask);
 	if (len < 0)