Merge tag 'net-6.0-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull networking fixes from Paolo Abeni:
 "Including fixes from wifi and can.

  Current release - regressions:

   - phy: don't WARN for PHY_UP state in mdio_bus_phy_resume()

   - wifi: fix locking in mac80211 mlme

   - eth:
      - revert "net: mvpp2: debugfs: fix memory leak when using debugfs_lookup()"
      - mlxbf_gige: fix an IS_ERR() vs NULL bug in mlxbf_gige_mdio_probe

  Previous releases - regressions:

   - wifi: fix regression with non-QoS drivers

  Previous releases - always broken:

   - mptcp: fix unreleased socket in accept queue

   - wifi:
      - don't start TX with fq->lock to fix deadlock
      - fix memory corruption in minstrel_ht_update_rates()

   - eth:
      - macb: fix ZynqMP SGMII non-wakeup source resume failure
      - mt7531: only do PLL once after the reset
      - usbnet: fix memory leak in usbnet_disconnect()

  Misc:

   - usb: qmi_wwan: add new usb-id for Dell branded EM7455"

* tag 'net-6.0-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (30 commits)
  mptcp: fix unreleased socket in accept queue
  mptcp: factor out __mptcp_close() without socket lock
  net: ethernet: mtk_eth_soc: fix mask of RX_DMA_GET_SPORT{,_V2}
  net: mscc: ocelot: fix tagged VLAN refusal while under a VLAN-unaware bridge
  can: c_can: don't cache TX messages for C_CAN cores
  ice: xsk: drop power of 2 ring size restriction for AF_XDP
  ice: xsk: change batched Tx descriptor cleaning
  net: usb: qmi_wwan: Add new usb-id for Dell branded EM7455
  selftests: Fix the if conditions of in test_extra_filter()
  net: phy: Don't WARN for PHY_UP state in mdio_bus_phy_resume()
  net: stmmac: power up/down serdes in stmmac_open/release
  wifi: mac80211: mlme: Fix double unlock on assoc success handling
  wifi: mac80211: mlme: Fix missing unlock on beacon RX
  wifi: mac80211: fix memory corruption in minstrel_ht_update_rates()
  wifi: mac80211: fix regression with non-QoS drivers
  wifi: mac80211: ensure vif queues are operational after start
  wifi: mac80211: don't start TX with fq->lock to fix deadlock
  wifi: cfg80211: fix MCS divisor value
  net: hippi: Add missing pci_disable_device() in rr_init_one()
  net/mlxbf_gige: Fix an IS_ERR() vs NULL bug in mlxbf_gige_mdio_probe
  ...

10 files changed, 45 insertions, 40 deletions

diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 5265d2b6db12..fc764984d687 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -4040,7 +4040,6 @@ static bool ieee80211_assoc_config_link(struct ieee80211_link_data *link,
 
 	if (!(link->u.mgd.conn_flags & IEEE80211_CONN_DISABLE_HE) &&
 	    (!elems->he_cap || !elems->he_operation)) {
-		mutex_unlock(&sdata->local->sta_mtx);
 		sdata_info(sdata,
 			   "HE AP is missing HE capability/operation\n");
 		ret = false;
@@ -5589,12 +5588,16 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_link_data *link,
 
 	mutex_lock(&local->sta_mtx);
 	sta = sta_info_get(sdata, sdata->vif.cfg.ap_addr);
-	if (WARN_ON(!sta))
+	if (WARN_ON(!sta)) {
+		mutex_unlock(&local->sta_mtx);
 		goto free;
+	}
 	link_sta = rcu_dereference_protected(sta->link[link->link_id],
 					     lockdep_is_held(&local->sta_mtx));
-	if (WARN_ON(!link_sta))
+	if (WARN_ON(!link_sta)) {
+		mutex_unlock(&local->sta_mtx);
 		goto free;
+	}
 
 	changed |= ieee80211_recalc_twt_req(link, link_sta, elems);
 
diff --git a/net/mac80211/rc80211_minstrel_ht.c b/net/mac80211/rc80211_minstrel_ht.c
index 5f27e6746762..788a82f9c74d 100644
--- a/net/mac80211/rc80211_minstrel_ht.c
+++ b/net/mac80211/rc80211_minstrel_ht.c
@@ -10,6 +10,7 @@
 #include <linux/random.h>
 #include <linux/moduleparam.h>
 #include <linux/ieee80211.h>
+#include <linux/minmax.h>
 #include <net/mac80211.h>
 #include "rate.h"
 #include "sta_info.h"
@@ -1550,6 +1551,7 @@ minstrel_ht_update_rates(struct minstrel_priv *mp, struct minstrel_ht_sta *mi)
 {
 	struct ieee80211_sta_rates *rates;
 	int i = 0;
+	int max_rates = min_t(int, mp->hw->max_rates, IEEE80211_TX_RATE_TABLE_SIZE);
 
 	rates = kzalloc(sizeof(*rates), GFP_ATOMIC);
 	if (!rates)
@@ -1559,10 +1561,10 @@ minstrel_ht_update_rates(struct minstrel_priv *mp, struct minstrel_ht_sta *mi)
 	minstrel_ht_set_rate(mp, mi, rates, i++, mi->max_tp_rate[0]);
 
 	/* Fill up remaining, keep one entry for max_probe_rate */
-	for (; i < (mp->hw->max_rates - 1); i++)
+	for (; i < (max_rates - 1); i++)
 		minstrel_ht_set_rate(mp, mi, rates, i, mi->max_tp_rate[i]);
 
-	if (i < mp->hw->max_rates)
+	if (i < max_rates)
 		minstrel_ht_set_rate(mp, mi, rates, i++, mi->max_prob_rate);
 
 	if (i < IEEE80211_TX_RATE_TABLE_SIZE)
diff --git a/net/mac80211/status.c b/net/mac80211/status.c
index 8e77fd2e9fdf..3f9ddd7f04b6 100644
--- a/net/mac80211/status.c
+++ b/net/mac80211/status.c
@@ -729,7 +729,7 @@ static void ieee80211_report_used_skb(struct ieee80211_local *local,
 
 		if (!sdata) {
 			skb->dev = NULL;
-		} else {
+		} else if (!dropped) {
 			unsigned int hdr_size =
 				ieee80211_hdrlen(hdr->frame_control);
 
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index bf7fe6cd9dfc..13249e97a069 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -5878,6 +5878,9 @@ int ieee80211_tx_control_port(struct wiphy *wiphy, struct net_device *dev,
 	skb_reset_network_header(skb);
 	skb_reset_mac_header(skb);
 
+	if (local->hw.queues < IEEE80211_NUM_ACS)
+		goto start_xmit;
+
 	/* update QoS header to prioritize control port frames if possible,
 	 * priorization also happens for control port frames send over
 	 * AF_PACKET
@@ -5905,6 +5908,7 @@ int ieee80211_tx_control_port(struct wiphy *wiphy, struct net_device *dev,
 	}
 	rcu_read_unlock();
 
+start_xmit:
 	/* mutex lock is only needed for incrementing the cookie counter */
 	mutex_lock(&local->mtx);
 
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 53826c663723..efcefb2dd882 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -301,14 +301,14 @@ static void __ieee80211_wake_txqs(struct ieee80211_sub_if_data *sdata, int ac)
 	local_bh_disable();
 	spin_lock(&fq->lock);
 
+	sdata->vif.txqs_stopped[ac] = false;
+
 	if (!test_bit(SDATA_STATE_RUNNING, &sdata->state))
 		goto out;
 
 	if (sdata->vif.type == NL80211_IFTYPE_AP)
 		ps = &sdata->bss->ps;
 
-	sdata->vif.txqs_stopped[ac] = false;
-
 	list_for_each_entry_rcu(sta, &local->sta_list, list) {
 		if (sdata != sta->sdata)
 			continue;
diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c
index 969b33a9dd64..f8897a70c11d 100644
--- a/net/mptcp/protocol.c
+++ b/net/mptcp/protocol.c
@@ -2662,7 +2662,7 @@ static void __mptcp_clear_xmit(struct sock *sk)
 		dfrag_clear(sk, dfrag);
 }
 
-static void mptcp_cancel_work(struct sock *sk)
+void mptcp_cancel_work(struct sock *sk)
 {
 	struct mptcp_sock *msk = mptcp_sk(sk);
 
@@ -2802,13 +2802,12 @@ static void __mptcp_destroy_sock(struct sock *sk)
 	sock_put(sk);
 }
 
-static void mptcp_close(struct sock *sk, long timeout)
+bool __mptcp_close(struct sock *sk, long timeout)
 {
 	struct mptcp_subflow_context *subflow;
 	struct mptcp_sock *msk = mptcp_sk(sk);
 	bool do_cancel_work = false;
 
-	lock_sock(sk);
 	sk->sk_shutdown = SHUTDOWN_MASK;
 
 	if ((1 << sk->sk_state) & (TCPF_LISTEN | TCPF_CLOSE)) {
@@ -2850,6 +2849,17 @@ cleanup:
 	} else {
 		mptcp_reset_timeout(msk, 0);
 	}
+
+	return do_cancel_work;
+}
+
+static void mptcp_close(struct sock *sk, long timeout)
+{
+	bool do_cancel_work;
+
+	lock_sock(sk);
+
+	do_cancel_work = __mptcp_close(sk, timeout);
 	release_sock(sk);
 	if (do_cancel_work)
 		mptcp_cancel_work(sk);
diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h
index 132d50833df1..8f372b8f059c 100644
--- a/net/mptcp/protocol.h
+++ b/net/mptcp/protocol.h
@@ -612,6 +612,8 @@ void mptcp_subflow_reset(struct sock *ssk);
 void mptcp_subflow_queue_clean(struct sock *ssk);
 void mptcp_sock_graft(struct sock *sk, struct socket *parent);
 struct socket *__mptcp_nmpc_socket(const struct mptcp_sock *msk);
+bool __mptcp_close(struct sock *sk, long timeout);
+void mptcp_cancel_work(struct sock *sk);
 
 bool mptcp_addresses_equal(const struct mptcp_addr_info *a,
 			   const struct mptcp_addr_info *b, bool use_port);
diff --git a/net/mptcp/subflow.c b/net/mptcp/subflow.c
index c7d49fb6e7bd..07dd23d0fe04 100644
--- a/net/mptcp/subflow.c
+++ b/net/mptcp/subflow.c
@@ -602,30 +602,6 @@ static bool subflow_hmac_valid(const struct request_sock *req,
 	return !crypto_memneq(hmac, mp_opt->hmac, MPTCPOPT_HMAC_LEN);
 }
 
-static void mptcp_sock_destruct(struct sock *sk)
-{
-	/* if new mptcp socket isn't accepted, it is free'd
-	 * from the tcp listener sockets request queue, linked
-	 * from req->sk.  The tcp socket is released.
-	 * This calls the ULP release function which will
-	 * also remove the mptcp socket, via
-	 * sock_put(ctx->conn).
-	 *
-	 * Problem is that the mptcp socket will be in
-	 * ESTABLISHED state and will not have the SOCK_DEAD flag.
-	 * Both result in warnings from inet_sock_destruct.
-	 */
-	if ((1 << sk->sk_state) & (TCPF_ESTABLISHED | TCPF_CLOSE_WAIT)) {
-		sk->sk_state = TCP_CLOSE;
-		WARN_ON_ONCE(sk->sk_socket);
-		sock_orphan(sk);
-	}
-
-	/* We don't need to clear msk->subflow, as it's still NULL at this point */
-	mptcp_destroy_common(mptcp_sk(sk), 0);
-	inet_sock_destruct(sk);
-}
-
 static void mptcp_force_close(struct sock *sk)
 {
 	/* the msk is not yet exposed to user-space */
@@ -768,7 +744,6 @@ create_child:
 			/* new mpc subflow takes ownership of the newly
 			 * created mptcp socket
 			 */
-			new_msk->sk_destruct = mptcp_sock_destruct;
 			mptcp_sk(new_msk)->setsockopt_seq = ctx->setsockopt_seq;
 			mptcp_pm_new_connection(mptcp_sk(new_msk), child, 1);
 			mptcp_token_accept(subflow_req, mptcp_sk(new_msk));
@@ -1763,13 +1738,19 @@ void mptcp_subflow_queue_clean(struct sock *listener_ssk)
 
 	for (msk = head; msk; msk = next) {
 		struct sock *sk = (struct sock *)msk;
-		bool slow;
+		bool slow, do_cancel_work;
 
+		sock_hold(sk);
 		slow = lock_sock_fast_nested(sk);
 		next = msk->dl_next;
 		msk->first = NULL;
 		msk->dl_next = NULL;
+
+		do_cancel_work = __mptcp_close(sk, 0);
 		unlock_sock_fast(sk, slow);
+		if (do_cancel_work)
+			mptcp_cancel_work(sk);
+		sock_put(sk);
 	}
 
 	/* we are still under the listener msk socket lock */
diff --git a/net/sched/act_ct.c b/net/sched/act_ct.c
index d55afb8d14be..5950974ae8f6 100644
--- a/net/sched/act_ct.c
+++ b/net/sched/act_ct.c
@@ -1394,7 +1394,7 @@ static int tcf_ct_init(struct net *net, struct nlattr *nla,
 
 	err = tcf_ct_flow_table_get(net, params);
 	if (err)
-		goto cleanup;
+		goto cleanup_params;
 
 	spin_lock_bh(&c->tcf_lock);
 	goto_ch = tcf_action_set_ctrlact(*a, parm->action, goto_ch);
@@ -1409,6 +1409,9 @@ static int tcf_ct_init(struct net *net, struct nlattr *nla,
 
 	return res;
 
+cleanup_params:
+	if (params->tmpl)
+		nf_ct_put(params->tmpl);
 cleanup:
 	if (goto_ch)
 		tcf_chain_put_by_act(goto_ch);
diff --git a/net/wireless/util.c b/net/wireless/util.c
index 2c127951764a..775836f6785a 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -1361,7 +1361,7 @@ static u32 cfg80211_calculate_bitrate_he(struct rate_info *rate)
 		 25599, /*  4.166666... */
 		 17067, /*  2.777777... */
 		 12801, /*  2.083333... */
-		 11769, /*  1.851851... */
+		 11377, /*  1.851725... */
 		 10239, /*  1.666666... */
 		  8532, /*  1.388888... */
 		  7680, /*  1.250000... */
@@ -1444,7 +1444,7 @@ static u32 cfg80211_calculate_bitrate_eht(struct rate_info *rate)
 		 25599, /*  4.166666... */
 		 17067, /*  2.777777... */
 		 12801, /*  2.083333... */
-		 11769, /*  1.851851... */
+		 11377, /*  1.851725... */
 		 10239, /*  1.666666... */
 		  8532, /*  1.388888... */
 		  7680, /*  1.250000... */