diff --git a/include/net/bluetooth/hci_sync.h b/include/net/bluetooth/hci_sync.h
index 3cb2d10cac930b8224dd7798b16ef7732d4991c3..e2e588b08fe90aaa176e77fa2cca4449e472c57a 100644
--- a/include/net/bluetooth/hci_sync.h
+++ b/include/net/bluetooth/hci_sync.h
@@ -72,7 +72,7 @@ int hci_update_class_sync(struct hci_dev *hdev);
 
 int hci_update_eir_sync(struct hci_dev *hdev);
 int hci_update_class_sync(struct hci_dev *hdev);
-int hci_update_name_sync(struct hci_dev *hdev);
+int hci_update_name_sync(struct hci_dev *hdev, const u8 *name);
 int hci_write_ssp_mode_sync(struct hci_dev *hdev, u8 mode);
 
 int hci_get_random_address(struct hci_dev *hdev, bool require_privacy,
diff --git a/net/bluetooth/hci_sync.c b/net/bluetooth/hci_sync.c
index e086f2947c5fc5538ff276f887544a403ddd1d36..83b82007d925a9579098791fca20ceb0eee822b0 100644
--- a/net/bluetooth/hci_sync.c
+++ b/net/bluetooth/hci_sync.c
@@ -3437,13 +3437,13 @@ int hci_update_scan_sync(struct hci_dev *hdev)
 	return hci_write_scan_enable_sync(hdev, scan);
 }
 
-int hci_update_name_sync(struct hci_dev *hdev)
+int hci_update_name_sync(struct hci_dev *hdev, const u8 *name)
 {
 	struct hci_cp_write_local_name cp;
 
 	memset(&cp, 0, sizeof(cp));
 
-	memcpy(cp.name, hdev->dev_name, sizeof(cp.name));
+	memcpy(cp.name, name, sizeof(cp.name));
 
 	return __hci_cmd_sync_status(hdev, HCI_OP_WRITE_LOCAL_NAME,
 					    sizeof(cp), &cp,
@@ -3496,7 +3496,7 @@ int hci_powered_update_sync(struct hci_dev *hdev)
 			hci_write_fast_connectable_sync(hdev, false);
 		hci_update_scan_sync(hdev);
 		hci_update_class_sync(hdev);
-		hci_update_name_sync(hdev);
+		hci_update_name_sync(hdev, hdev->dev_name);
 		hci_update_eir_sync(hdev);
 	}
 
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index 205aadf01513b18e637d760c5d2aa1b103beb081..105293d6a3893ae7903cd1bfdc33c82b9531e400 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -1318,8 +1318,7 @@ static void mgmt_set_powered_complete(struct hci_dev *hdev, void *data, int err)
 	struct mgmt_mode *cp;
 
 	/* Make sure cmd still outstanding. */
-	if (err == -ECANCELED ||
-	    cmd != pending_find(MGMT_OP_SET_POWERED, hdev))
+	if (err == -ECANCELED || !mgmt_pending_valid(hdev, cmd))
 		return;
 
 	cp = cmd->param;
@@ -1346,23 +1345,29 @@ static void mgmt_set_powered_complete(struct hci_dev *hdev, void *data, int err)
 				mgmt_status(err));
 	}
 
-	mgmt_pending_remove(cmd);
+	mgmt_pending_free(cmd);
 }
 
 static int set_powered_sync(struct hci_dev *hdev, void *data)
 {
 	struct mgmt_pending_cmd *cmd = data;
-	struct mgmt_mode *cp;
+	struct mgmt_mode cp;
+
+	mutex_lock(&hdev->mgmt_pending_lock);
 
 	/* Make sure cmd still outstanding. */
-	if (cmd != pending_find(MGMT_OP_SET_POWERED, hdev))
+	if (!__mgmt_pending_listed(hdev, cmd)) {
+		mutex_unlock(&hdev->mgmt_pending_lock);
 		return -ECANCELED;
+	}
 
-	cp = cmd->param;
+	memcpy(&cp, cmd->param, sizeof(cp));
+
+	mutex_unlock(&hdev->mgmt_pending_lock);
 
 	BT_DBG("%s", hdev->name);
 
-	return hci_set_powered_sync(hdev, cp->val);
+	return hci_set_powered_sync(hdev, cp.val);
 }
 
 static int set_powered(struct sock *sk, struct hci_dev *hdev, void *data,
@@ -1503,8 +1508,7 @@ static void mgmt_set_discoverable_complete(struct hci_dev *hdev, void *data,
 	bt_dev_dbg(hdev, "err %d", err);
 
 	/* Make sure cmd still outstanding. */
-	if (err == -ECANCELED ||
-	    cmd != pending_find(MGMT_OP_SET_DISCOVERABLE, hdev))
+	if (err == -ECANCELED || !mgmt_pending_valid(hdev, cmd))
 		return;
 
 	hci_dev_lock(hdev);
@@ -1526,12 +1530,15 @@ static void mgmt_set_discoverable_complete(struct hci_dev *hdev, void *data,
 	new_settings(hdev, cmd->sk);
 
 done:
-	mgmt_pending_remove(cmd);
+	mgmt_pending_free(cmd);
 	hci_dev_unlock(hdev);
 }
 
 static int set_discoverable_sync(struct hci_dev *hdev, void *data)
 {
+	if (!mgmt_pending_listed(hdev, data))
+		return -ECANCELED;
+
 	BT_DBG("%s", hdev->name);
 
 	return hci_update_discoverable_sync(hdev);
@@ -1678,8 +1685,7 @@ static void mgmt_set_connectable_complete(struct hci_dev *hdev, void *data,
 	bt_dev_dbg(hdev, "err %d", err);
 
 	/* Make sure cmd still outstanding. */
-	if (err == -ECANCELED ||
-	    cmd != pending_find(MGMT_OP_SET_CONNECTABLE, hdev))
+	if (err == -ECANCELED || !mgmt_pending_valid(hdev, cmd))
 		return;
 
 	hci_dev_lock(hdev);
@@ -1694,8 +1700,7 @@ static void mgmt_set_connectable_complete(struct hci_dev *hdev, void *data,
 	new_settings(hdev, cmd->sk);
 
 done:
-	if (cmd)
-		mgmt_pending_remove(cmd);
+	mgmt_pending_free(cmd);
 
 	hci_dev_unlock(hdev);
 }
@@ -1731,6 +1736,9 @@ static int set_connectable_update_settings(struct hci_dev *hdev,
 
 static int set_connectable_sync(struct hci_dev *hdev, void *data)
 {
+	if (!mgmt_pending_listed(hdev, data))
+		return -ECANCELED;
+
 	BT_DBG("%s", hdev->name);
 
 	return hci_update_connectable_sync(hdev);
@@ -1907,14 +1915,17 @@ static void set_ssp_complete(struct hci_dev *hdev, void *data, int err)
 {
 	struct cmd_lookup match = { NULL, hdev };
 	struct mgmt_pending_cmd *cmd = data;
-	struct mgmt_mode *cp = cmd->param;
-	u8 enable = cp->val;
+	struct mgmt_mode *cp;
+	u8 enable;
 	bool changed;
 
 	/* Make sure cmd still outstanding. */
-	if (err == -ECANCELED || cmd != pending_find(MGMT_OP_SET_SSP, hdev))
+	if (err == -ECANCELED || !mgmt_pending_valid(hdev, cmd))
 		return;
 
+	cp = cmd->param;
+	enable = cp->val;
+
 	if (err) {
 		u8 mgmt_err = mgmt_status(err);
 
@@ -1923,8 +1934,7 @@ static void set_ssp_complete(struct hci_dev *hdev, void *data, int err)
 			new_settings(hdev, NULL);
 		}
 
-		mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, true,
-				     cmd_status_rsp, &mgmt_err);
+		mgmt_cmd_status(cmd->sk, cmd->hdev->id, cmd->opcode, mgmt_err);
 		return;
 	}
 
@@ -1934,7 +1944,7 @@ static void set_ssp_complete(struct hci_dev *hdev, void *data, int err)
 		changed = hci_dev_test_and_clear_flag(hdev, HCI_SSP_ENABLED);
 	}
 
-	mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, true, settings_rsp, &match);
+	settings_rsp(cmd, &match);
 
 	if (changed)
 		new_settings(hdev, match.sk);
@@ -1948,14 +1958,25 @@ static void set_ssp_complete(struct hci_dev *hdev, void *data, int err)
 static int set_ssp_sync(struct hci_dev *hdev, void *data)
 {
 	struct mgmt_pending_cmd *cmd = data;
-	struct mgmt_mode *cp = cmd->param;
+	struct mgmt_mode cp;
 	bool changed = false;
 	int err;
 
-	if (cp->val)
+	mutex_lock(&hdev->mgmt_pending_lock);
+
+	if (!__mgmt_pending_listed(hdev, cmd)) {
+		mutex_unlock(&hdev->mgmt_pending_lock);
+		return -ECANCELED;
+	}
+
+	memcpy(&cp, cmd->param, sizeof(cp));
+
+	mutex_unlock(&hdev->mgmt_pending_lock);
+
+	if (cp.val)
 		changed = !hci_dev_test_and_set_flag(hdev, HCI_SSP_ENABLED);
 
-	err = hci_write_ssp_mode_sync(hdev, cp->val);
+	err = hci_write_ssp_mode_sync(hdev, cp.val);
 
 	if (!err && changed)
 		hci_dev_clear_flag(hdev, HCI_SSP_ENABLED);
@@ -2048,32 +2069,50 @@ static int set_hs(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
 
 static void set_le_complete(struct hci_dev *hdev, void *data, int err)
 {
+	struct mgmt_pending_cmd *cmd = data;
 	struct cmd_lookup match = { NULL, hdev };
 	u8 status = mgmt_status(err);
 
 	bt_dev_dbg(hdev, "err %d", err);
 
-	if (status) {
-		mgmt_pending_foreach(MGMT_OP_SET_LE, hdev, true, cmd_status_rsp,
-				     &status);
+	if (err == -ECANCELED || !mgmt_pending_valid(hdev, data))
 		return;
+
+	if (status) {
+		mgmt_cmd_status(cmd->sk, cmd->hdev->id, cmd->opcode, status);
+		goto done;
 	}
 
-	mgmt_pending_foreach(MGMT_OP_SET_LE, hdev, true, settings_rsp, &match);
+	settings_rsp(cmd, &match);
 
 	new_settings(hdev, match.sk);
 
 	if (match.sk)
 		sock_put(match.sk);
+
+done:
+	mgmt_pending_free(cmd);
 }
 
 static int set_le_sync(struct hci_dev *hdev, void *data)
 {
 	struct mgmt_pending_cmd *cmd = data;
-	struct mgmt_mode *cp = cmd->param;
-	u8 val = !!cp->val;
+	struct mgmt_mode cp;
+	u8 val;
 	int err;
 
+	mutex_lock(&hdev->mgmt_pending_lock);
+
+	if (!__mgmt_pending_listed(hdev, cmd)) {
+		mutex_unlock(&hdev->mgmt_pending_lock);
+		return -ECANCELED;
+	}
+
+	memcpy(&cp, cmd->param, sizeof(cp));
+	val = !!cp.val;
+
+	mutex_unlock(&hdev->mgmt_pending_lock);
+
 	if (!val) {
 		hci_clear_adv_instance_sync(hdev, NULL, 0x00, true);
 
@@ -2115,7 +2154,12 @@ static void set_mesh_complete(struct hci_dev *hdev, void *data, int err)
 {
 	struct mgmt_pending_cmd *cmd = data;
 	u8 status = mgmt_status(err);
-	struct sock *sk = cmd->sk;
+	struct sock *sk;
+
+	if (err == -ECANCELED || !mgmt_pending_valid(hdev, cmd))
+		return;
+
+	sk = cmd->sk;
 
 	if (status) {
 		mgmt_pending_foreach(MGMT_OP_SET_MESH_RECEIVER, hdev, true,
@@ -2130,21 +2174,37 @@ static void set_mesh_complete(struct hci_dev *hdev, void *data, int err)
 static int set_mesh_sync(struct hci_dev *hdev, void *data)
 {
 	struct mgmt_pending_cmd *cmd = data;
-	struct mgmt_cp_set_mesh *cp = cmd->param;
-	size_t len = cmd->param_len;
+	struct mgmt_cp_set_mesh cp;
+	size_t len;
+
+	mutex_lock(&hdev->mgmt_pending_lock);
+
+	if (!__mgmt_pending_listed(hdev, cmd)) {
+		mutex_unlock(&hdev->mgmt_pending_lock);
+		return -ECANCELED;
+	}
+
+	memcpy(&cp, cmd->param, sizeof(cp));
+
+	mutex_unlock(&hdev->mgmt_pending_lock);
+
+	len = cmd->param_len;
 
 	memset(hdev->mesh_ad_types, 0, sizeof(hdev->mesh_ad_types));
 
-	if (cp->enable)
+	if (cp.enable)
 		hci_dev_set_flag(hdev, HCI_MESH);
 	else
 		hci_dev_clear_flag(hdev, HCI_MESH);
 
-	len -= sizeof(*cp);
+	hdev->le_scan_interval = __le16_to_cpu(cp.period);
+	hdev->le_scan_window = __le16_to_cpu(cp.window);
+
+	len -= sizeof(cp);
 
 	/* If filters don't fit, forward all adv pkts */
 	if (len <= sizeof(hdev->mesh_ad_types))
-		memcpy(hdev->mesh_ad_types, cp->ad_types, len);
+		memcpy(hdev->mesh_ad_types, cp.ad_types, len);
 
 	hci_update_passive_scan_sync(hdev);
 	return 0;
@@ -2154,6 +2214,7 @@ static int set_mesh(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
 {
 	struct mgmt_cp_set_mesh *cp = data;
 	struct mgmt_pending_cmd *cmd;
+	__u16 period, window;
 	int err = 0;
 
 	bt_dev_dbg(hdev, "sock %p", sk);
@@ -2167,6 +2228,23 @@ static int set_mesh(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
 		return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_MESH_RECEIVER,
 				       MGMT_STATUS_INVALID_PARAMS);
 
+	/* Keep allowed ranges in sync with set_scan_params() */
+	period = __le16_to_cpu(cp->period);
+
+	if (period < 0x0004 || period > 0x4000)
+		return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_MESH_RECEIVER,
+				       MGMT_STATUS_INVALID_PARAMS);
+
+	window = __le16_to_cpu(cp->window);
+
+	if (window < 0x0004 || window > 0x4000)
+		return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_MESH_RECEIVER,
+				       MGMT_STATUS_INVALID_PARAMS);
+
+	if (window > period)
+		return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_MESH_RECEIVER,
+				       MGMT_STATUS_INVALID_PARAMS);
+
 	hci_dev_lock(hdev);
 
 	cmd = mgmt_pending_add(sk, MGMT_OP_SET_MESH_RECEIVER, hdev, data, len);
@@ -3772,15 +3850,16 @@ static int name_changed_sync(struct hci_dev *hdev, void *data)
 static void set_name_complete(struct hci_dev *hdev, void *data, int err)
 {
 	struct mgmt_pending_cmd *cmd = data;
-	struct mgmt_cp_set_local_name *cp = cmd->param;
+	struct mgmt_cp_set_local_name *cp;
 	u8 status = mgmt_status(err);
 
 	bt_dev_dbg(hdev, "err %d", err);
 
-	if (err == -ECANCELED ||
-	    cmd != pending_find(MGMT_OP_SET_LOCAL_NAME, hdev))
+	if (err == -ECANCELED || !mgmt_pending_valid(hdev, cmd))
 		return;
 
+	cp = cmd->param;
+
 	if (status) {
 		mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME,
 				status);
@@ -3792,13 +3871,27 @@ static void set_name_complete(struct hci_dev *hdev, void *data, int err)
 			hci_cmd_sync_queue(hdev, name_changed_sync, NULL, NULL);
 	}
 
-	mgmt_pending_remove(cmd);
+	mgmt_pending_free(cmd);
 }
 
 static int set_name_sync(struct hci_dev *hdev, void *data)
 {
+	struct mgmt_pending_cmd *cmd = data;
+	struct mgmt_cp_set_local_name cp;
+
+	mutex_lock(&hdev->mgmt_pending_lock);
+
+	if (!__mgmt_pending_listed(hdev, cmd)) {
+		mutex_unlock(&hdev->mgmt_pending_lock);
+		return -ECANCELED;
+	}
+
+	memcpy(&cp, cmd->param, sizeof(cp));
+
+	mutex_unlock(&hdev->mgmt_pending_lock);
+
 	if (lmp_bredr_capable(hdev)) {
-		hci_update_name_sync(hdev);
+		hci_update_name_sync(hdev, cp.name);
 		hci_update_eir_sync(hdev);
 	}
 
@@ -3950,12 +4043,10 @@ int mgmt_phy_configuration_changed(struct hci_dev *hdev, struct sock *skip)
 static void set_default_phy_complete(struct hci_dev *hdev, void *data, int err)
 {
 	struct mgmt_pending_cmd *cmd = data;
-	struct sk_buff *skb = cmd->skb;
+	struct sk_buff *skb;
 	u8 status = mgmt_status(err);
 
-	if (err == -ECANCELED ||
-	    cmd != pending_find(MGMT_OP_SET_PHY_CONFIGURATION, hdev))
-		return;
+	skb = cmd->skb;
 
 	if (!status) {
 		if (!skb)
@@ -3982,7 +4073,7 @@ static void set_default_phy_complete(struct hci_dev *hdev, void *data, int err)
 	if (skb && !IS_ERR(skb))
 		kfree_skb(skb);
 
-	mgmt_pending_remove(cmd);
+	mgmt_pending_free(cmd);
 }
 
 static int set_default_phy_sync(struct hci_dev *hdev, void *data)
@@ -3990,7 +4081,9 @@ static int set_default_phy_sync(struct hci_dev *hdev, void *data)
 	struct mgmt_pending_cmd *cmd = data;
 	struct mgmt_cp_set_phy_configuration *cp = cmd->param;
 	struct hci_cp_le_set_default_phy cp_phy;
-	u32 selected_phys = __le32_to_cpu(cp->selected_phys);
+	u32 selected_phys;
+
+	selected_phys = __le32_to_cpu(cp->selected_phys);
 
 	memset(&cp_phy, 0, sizeof(cp_phy));
 
@@ -4130,7 +4223,7 @@ static int set_phy_configuration(struct sock *sk, struct hci_dev *hdev,
 		goto unlock;
 	}
 
-	cmd = mgmt_pending_add(sk, MGMT_OP_SET_PHY_CONFIGURATION, hdev, data,
+	cmd = mgmt_pending_new(sk, MGMT_OP_SET_PHY_CONFIGURATION, hdev, data,
 			       len);
 	if (!cmd)
 		err = -ENOMEM;
@@ -5222,7 +5315,17 @@ static void mgmt_add_adv_patterns_monitor_complete(struct hci_dev *hdev,
 {
 	struct mgmt_rp_add_adv_patterns_monitor rp;
 	struct mgmt_pending_cmd *cmd = data;
-	struct adv_monitor *monitor = cmd->user_data;
+	struct adv_monitor *monitor;
+
+	/* This is likely the result of hdev being closed and mgmt_index_removed
+	 * is attempting to clean up any pending command so
+	 * hci_adv_monitors_clear is about to be called which will take care of
+	 * freeing the adv_monitor instances.
+	 */
+	if (status == -ECANCELED && !mgmt_pending_valid(hdev, cmd))
+		return;
+
+	monitor = cmd->user_data;
 
 	hci_dev_lock(hdev);
 
@@ -5248,9 +5351,20 @@ static void mgmt_add_adv_patterns_monitor_complete(struct hci_dev *hdev,
 static int mgmt_add_adv_patterns_monitor_sync(struct hci_dev *hdev, void *data)
 {
 	struct mgmt_pending_cmd *cmd = data;
-	struct adv_monitor *monitor = cmd->user_data;
+	struct adv_monitor *mon;
+
+	mutex_lock(&hdev->mgmt_pending_lock);
+
+	if (!__mgmt_pending_listed(hdev, cmd)) {
+		mutex_unlock(&hdev->mgmt_pending_lock);
+		return -ECANCELED;
+	}
+
+	mon = cmd->user_data;
 
-	return hci_add_adv_monitor(hdev, monitor);
+	mutex_unlock(&hdev->mgmt_pending_lock);
+
+	return hci_add_adv_monitor(hdev, mon);
 }
 
 static int __add_adv_patterns_monitor(struct sock *sk, struct hci_dev *hdev,
@@ -5517,7 +5631,8 @@ static int remove_adv_monitor(struct sock *sk, struct hci_dev *hdev,
 			       status);
 }
 
-static void read_local_oob_data_complete(struct hci_dev *hdev, void *data, int err)
+static void read_local_oob_data_complete(struct hci_dev *hdev, void *data,
+					 int err)
 {
 	struct mgmt_rp_read_local_oob_data mgmt_rp;
 	size_t rp_size = sizeof(mgmt_rp);
@@ -5537,7 +5652,8 @@ static void read_local_oob_data_complete(struct hci_dev *hdev, void *data, int e
 	bt_dev_dbg(hdev, "status %d", status);
 
 	if (status) {
-		mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA, status);
+		mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
+				status);
 		goto remove;
 	}
 
@@ -5842,17 +5958,12 @@ static void start_discovery_complete(struct hci_dev *hdev, void *data, int err)
 
 	bt_dev_dbg(hdev, "err %d", err);
 
-	if (err == -ECANCELED)
-		return;
-
-	if (cmd != pending_find(MGMT_OP_START_DISCOVERY, hdev) &&
-	    cmd != pending_find(MGMT_OP_START_LIMITED_DISCOVERY, hdev) &&
-	    cmd != pending_find(MGMT_OP_START_SERVICE_DISCOVERY, hdev))
+	if (err == -ECANCELED || !mgmt_pending_valid(hdev, cmd))
 		return;
 
 	mgmt_cmd_complete(cmd->sk, cmd->hdev->id, cmd->opcode, mgmt_status(err),
 			  cmd->param, 1);
-	mgmt_pending_remove(cmd);
+	mgmt_pending_free(cmd);
 
 	hci_discovery_set_state(hdev, err ? DISCOVERY_STOPPED:
 				DISCOVERY_FINDING);
@@ -5860,6 +5971,9 @@ static void start_discovery_complete(struct hci_dev *hdev, void *data, int err)
 
 static int start_discovery_sync(struct hci_dev *hdev, void *data)
 {
+	if (!mgmt_pending_listed(hdev, data))
+		return -ECANCELED;
+
 	return hci_start_discovery_sync(hdev);
 }
 
@@ -6082,15 +6196,14 @@ static void stop_discovery_complete(struct hci_dev *hdev, void *data, int err)
 {
 	struct mgmt_pending_cmd *cmd = data;
 
-	if (err == -ECANCELED ||
-	    cmd != pending_find(MGMT_OP_STOP_DISCOVERY, hdev))
+	if (err == -ECANCELED || !mgmt_pending_valid(hdev, cmd))
 		return;
 
 	bt_dev_dbg(hdev, "err %d", err);
 
 	mgmt_cmd_complete(cmd->sk, cmd->hdev->id, cmd->opcode, mgmt_status(err),
 			  cmd->param, 1);
-	mgmt_pending_remove(cmd);
+	mgmt_pending_free(cmd);
 
 	if (!err)
 		hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
@@ -6098,6 +6211,9 @@ static void stop_discovery_complete(struct hci_dev *hdev, void *data, int err)
 
 static int stop_discovery_sync(struct hci_dev *hdev, void *data)
 {
+	if (!mgmt_pending_listed(hdev, data))
+		return -ECANCELED;
+
 	return hci_stop_discovery_sync(hdev);
 }
 
@@ -6307,14 +6423,18 @@ static void enable_advertising_instance(struct hci_dev *hdev, int err)
 
 static void set_advertising_complete(struct hci_dev *hdev, void *data, int err)
 {
+	struct mgmt_pending_cmd *cmd = data;
 	struct cmd_lookup match = { NULL, hdev };
 	u8 instance;
 	struct adv_info *adv_instance;
 	u8 status = mgmt_status(err);
 
+	if (err == -ECANCELED || !mgmt_pending_valid(hdev, data))
+		return;
+
 	if (status) {
-		mgmt_pending_foreach(MGMT_OP_SET_ADVERTISING, hdev, true,
-				     cmd_status_rsp, &status);
+		mgmt_cmd_status(cmd->sk, cmd->hdev->id, cmd->opcode, status);
+		mgmt_pending_free(cmd);
 		return;
 	}
 
@@ -6323,8 +6443,7 @@ static void set_advertising_complete(struct hci_dev *hdev, void *data, int err)
 	else
 		hci_dev_clear_flag(hdev, HCI_ADVERTISING);
 
-	mgmt_pending_foreach(MGMT_OP_SET_ADVERTISING, hdev, true, settings_rsp,
-			     &match);
+	settings_rsp(cmd, &match);
 
 	new_settings(hdev, match.sk);
 
@@ -6356,10 +6475,23 @@ static void set_advertising_complete(struct hci_dev *hdev, void *data, int err)
 static int set_adv_sync(struct hci_dev *hdev, void *data)
 {
 	struct mgmt_pending_cmd *cmd = data;
-	struct mgmt_mode *cp = cmd->param;
-	u8 val = !!cp->val;
+	struct mgmt_mode cp;
+	u8 val;
 
-	if (cp->val == 0x02)
+	mutex_lock(&hdev->mgmt_pending_lock);
+
+	if (!__mgmt_pending_listed(hdev, cmd)) {
+		mutex_unlock(&hdev->mgmt_pending_lock);
+		return -ECANCELED;
+	}
+
+	memcpy(&cp, cmd->param, sizeof(cp));
+
+	mutex_unlock(&hdev->mgmt_pending_lock);
+
+	val = !!cp.val;
+
+	if (cp.val == 0x02)
 		hci_dev_set_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
 	else
 		hci_dev_clear_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
@@ -6529,6 +6661,7 @@ static int set_scan_params(struct sock *sk, struct hci_dev *hdev,
 		return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
 				       MGMT_STATUS_NOT_SUPPORTED);
 
+	/* Keep allowed ranges in sync with set_mesh() */
 	interval = __le16_to_cpu(cp->interval);
 
 	if (interval < 0x0004 || interval > 0x4000)
@@ -8062,10 +8195,6 @@ static void read_local_oob_ext_data_complete(struct hci_dev *hdev, void *data,
 	u8 status = mgmt_status(err);
 	u16 eir_len;
 
-	if (err == -ECANCELED ||
-	    cmd != pending_find(MGMT_OP_READ_LOCAL_OOB_EXT_DATA, hdev))
-		return;
-
 	if (!status) {
 		if (!skb)
 			status = MGMT_STATUS_FAILED;
@@ -8172,7 +8301,7 @@ static void read_local_oob_ext_data_complete(struct hci_dev *hdev, void *data,
 		kfree_skb(skb);
 
 	kfree(mgmt_rp);
-	mgmt_pending_remove(cmd);
+	mgmt_pending_free(cmd);
 }
 
 static int read_local_ssp_oob_req(struct hci_dev *hdev, struct sock *sk,
@@ -8181,7 +8310,7 @@ static int read_local_ssp_oob_req(struct hci_dev *hdev, struct sock *sk,
 	struct mgmt_pending_cmd *cmd;
 	int err;
 
-	cmd = mgmt_pending_add(sk, MGMT_OP_READ_LOCAL_OOB_EXT_DATA, hdev,
+	cmd = mgmt_pending_new(sk, MGMT_OP_READ_LOCAL_OOB_EXT_DATA, hdev,
 			       cp, sizeof(*cp));
 	if (!cmd)
 		return -ENOMEM;
diff --git a/net/bluetooth/mgmt_util.c b/net/bluetooth/mgmt_util.c
index 700e6989c6d5cb535c11c622027bd2f88a200ffe..eaf59768cb5a733025a9cc99769b7ae4324f508b 100644
--- a/net/bluetooth/mgmt_util.c
+++ b/net/bluetooth/mgmt_util.c
@@ -337,6 +337,52 @@ void mgmt_pending_remove(struct mgmt_pending_cmd *cmd)
 	mgmt_pending_free(cmd);
 }
 
+bool __mgmt_pending_listed(struct hci_dev *hdev, struct mgmt_pending_cmd *cmd)
+{
+	struct mgmt_pending_cmd *tmp;
+
+	lockdep_assert_held(&hdev->mgmt_pending_lock);
+
+	if (!cmd)
+		return false;
+
+	list_for_each_entry(tmp, &hdev->mgmt_pending, list) {
+		if (cmd == tmp)
+			return true;
+	}
+
+	return false;
+}
+
+bool mgmt_pending_listed(struct hci_dev *hdev, struct mgmt_pending_cmd *cmd)
+{
+	bool listed;
+
+	mutex_lock(&hdev->mgmt_pending_lock);
+	listed = __mgmt_pending_listed(hdev, cmd);
+	mutex_unlock(&hdev->mgmt_pending_lock);
+
+	return listed;
+}
+
+bool mgmt_pending_valid(struct hci_dev *hdev, struct mgmt_pending_cmd *cmd)
+{
+	bool listed;
+
+	if (!cmd)
+		return false;
+
+	mutex_lock(&hdev->mgmt_pending_lock);
+
+	listed = __mgmt_pending_listed(hdev, cmd);
+	if (listed)
+		list_del(&cmd->list);
+
+	mutex_unlock(&hdev->mgmt_pending_lock);
+
+	return listed;
+}
+
 void mgmt_mesh_foreach(struct hci_dev *hdev,
 		       void (*cb)(struct mgmt_mesh_tx *mesh_tx, void *data),
 		       void *data, struct sock *sk)
diff --git a/net/bluetooth/mgmt_util.h b/net/bluetooth/mgmt_util.h
index bf9cdcc27fbee4f33a401645e6eb83150a5bf62d..bf6b49ab1630dbb665b5c40086e32c7cbb1fca5c 100644
--- a/net/bluetooth/mgmt_util.h
+++ b/net/bluetooth/mgmt_util.h
@@ -69,6 +69,9 @@ struct mgmt_pending_cmd *mgmt_pending_new(struct sock *sk, u16 opcode,
 					  void *data, u16 len);
 void mgmt_pending_free(struct mgmt_pending_cmd *cmd);
 void mgmt_pending_remove(struct mgmt_pending_cmd *cmd);
+bool __mgmt_pending_listed(struct hci_dev *hdev, struct mgmt_pending_cmd *cmd);
+bool mgmt_pending_listed(struct hci_dev *hdev, struct mgmt_pending_cmd *cmd);
+bool mgmt_pending_valid(struct hci_dev *hdev, struct mgmt_pending_cmd *cmd);
 void mgmt_mesh_foreach(struct hci_dev *hdev,
 		       void (*cb)(struct mgmt_mesh_tx *mesh_tx, void *data),
 		       void *data, struct sock *sk);