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-rw-r--r--src/devices/adsl/nm-device-adsl.c3
-rw-r--r--src/devices/bluetooth/nm-bluez5-dun.c2
-rw-r--r--src/devices/nm-device-bond.c6
-rw-r--r--src/devices/nm-device-bridge.c6
-rw-r--r--src/devices/nm-device-wireguard.c244
-rw-r--r--src/devices/nm-device.c27
-rw-r--r--src/devices/nm-lldp-listener.c16
-rw-r--r--src/devices/team/nm-device-team.c6
-rw-r--r--src/devices/wwan/nm-modem-broadband.c2
9 files changed, 121 insertions, 191 deletions
diff --git a/src/devices/adsl/nm-device-adsl.c b/src/devices/adsl/nm-device-adsl.c
index 59c87851..34efdb01 100644
--- a/src/devices/adsl/nm-device-adsl.c
+++ b/src/devices/adsl/nm-device-adsl.c
@@ -155,6 +155,7 @@ br2684_assign_vcc (NMDeviceAdsl *self, NMSettingAdsl *s_adsl)
 	if (priv->brfd < 0) {
 		errsv = errno;
 		_LOGE (LOGD_ADSL, "failed to open ATM control socket (%d)", errsv);
+		priv->brfd = -1;
 		return FALSE;
 	}
 
@@ -206,7 +207,7 @@ br2684_assign_vcc (NMDeviceAdsl *self, NMSettingAdsl *s_adsl)
 	memset (&be, 0, sizeof (be));
 	be.backend_num = ATM_BACKEND_BR2684;
 	be.ifspec.method = BR2684_FIND_BYIFNAME;
-	strcpy (be.ifspec.spec.ifname, priv->nas_ifname);
+	nm_utils_ifname_cpy (be.ifspec.spec.ifname, priv->nas_ifname);
 	be.fcs_in = BR2684_FCSIN_NO;
 	be.fcs_out = BR2684_FCSOUT_NO;
 	be.encaps = is_llc ? BR2684_ENCAPS_LLC : BR2684_ENCAPS_VC;
diff --git a/src/devices/bluetooth/nm-bluez5-dun.c b/src/devices/bluetooth/nm-bluez5-dun.c
index 04859f9a..b9a1fa0a 100644
--- a/src/devices/bluetooth/nm-bluez5-dun.c
+++ b/src/devices/bluetooth/nm-bluez5-dun.c
@@ -386,7 +386,7 @@ nm_bluez5_dun_cleanup (NMBluez5DunContext *context)
 			struct rfcomm_dev_req req = { 0 };
 
 			req.dev_id = context->rfcomm_id;
-			ioctl (context->rfcomm_fd, RFCOMMRELEASEDEV, &req);
+			(void) ioctl (context->rfcomm_fd, RFCOMMRELEASEDEV, &req);
 			context->rfcomm_id = -1;
 		}
 		nm_close (context->rfcomm_fd);
diff --git a/src/devices/nm-device-bond.c b/src/devices/nm-device-bond.c
index fd79348d..50494526 100644
--- a/src/devices/nm-device-bond.c
+++ b/src/devices/nm-device-bond.c
@@ -414,6 +414,12 @@ release_slave (NMDevice *device,
 	gboolean success;
 	gs_free char *address = NULL;
 	int ifindex_slave;
+	int ifindex;
+
+	ifindex = nm_device_get_ifindex (device);
+	if (   ifindex <= 0
+	    || !nm_platform_link_get (nm_device_get_platform (device), ifindex))
+		configure = FALSE;
 
 	ifindex_slave = nm_device_get_ip_ifindex (slave);
 
diff --git a/src/devices/nm-device-bridge.c b/src/devices/nm-device-bridge.c
index ade9eb0d..91d824b3 100644
--- a/src/devices/nm-device-bridge.c
+++ b/src/devices/nm-device-bridge.c
@@ -626,6 +626,12 @@ release_slave (NMDevice *device,
 	NMDeviceBridge *self = NM_DEVICE_BRIDGE (device);
 	gboolean success;
 	int ifindex_slave;
+	int ifindex;
+
+	ifindex = nm_device_get_ifindex (device);
+	if (   ifindex <= 0
+	    || !nm_platform_link_get (nm_device_get_platform (device), ifindex))
+		configure = FALSE;
 
 	ifindex_slave = nm_device_get_ip_ifindex (slave);
 
diff --git a/src/devices/nm-device-wireguard.c b/src/devices/nm-device-wireguard.c
index d36573cf..e3b8e8b4 100644
--- a/src/devices/nm-device-wireguard.c
+++ b/src/devices/nm-device-wireguard.c
@@ -265,157 +265,51 @@ done:
 	*out_enabled_v6 = (enabled_v6 == TRUE);
 }
 
+#define AUTO_RANDOM_RANGE 500u
+
 static guint32
-_auto_default_route_find_unused_table (NMPlatform *platform)
+_auto_default_route_get_auto_fwmark (const char *uuid)
 {
-	guint32 table;
-	int is_ipv4;
-
-	for (table = 51820; TRUE; table++) {
-		const NMDedupMultiHeadEntry *head_entry;
-		const guint32 table_coerced = nm_platform_route_table_coerce (table);
-		NMDedupMultiIter iter;
-		const NMPObject *plobj;
-
-		/* find a table/fwmark that is not yet in use. */
-
-		for (is_ipv4 = 0; is_ipv4 < 2; is_ipv4++) {
-			head_entry = nm_platform_lookup_object (platform,
-			                                          is_ipv4
-			                                        ? NMP_OBJECT_TYPE_IP4_ROUTE
-			                                        : NMP_OBJECT_TYPE_IP6_ROUTE,
-			                                        -1);
-			nmp_cache_iter_for_each (&iter, head_entry, &plobj) {
-				if (NMP_OBJECT_CAST_IP_ROUTE (plobj)->table_coerced == table_coerced)
-					goto try_next_table;
-			}
-		}
-
-		head_entry = nm_platform_lookup_object_by_addr_family (platform,
-		                                                       NMP_OBJECT_TYPE_ROUTING_RULE,
-		                                                       AF_UNSPEC);
-		nmp_cache_iter_for_each (&iter, head_entry, &plobj) {
-			const NMPlatformRoutingRule *rr = NMP_OBJECT_CAST_ROUTING_RULE (plobj);
-
-			if (rr->fwmark == table)
-				goto try_next_table;
-		}
-
-		head_entry = nm_platform_lookup_obj_type (platform, NMP_OBJECT_TYPE_LINK);
-		nmp_cache_iter_for_each (&iter, head_entry, &plobj) {
-			const NMPObject *lnk_wg;
-
-			if (plobj->link.type != NM_LINK_TYPE_WIREGUARD)
-				continue;
-
-			lnk_wg = plobj->_link.netlink.lnk;
-
-			if (!lnk_wg)
-				continue;
+	guint64 rnd_seed;
 
-			if (NMP_OBJECT_GET_TYPE (lnk_wg) != NMP_OBJECT_TYPE_LNK_WIREGUARD)
-				continue;
+	/* we use the generated number as fwmark but also as routing table for
+	 * the default-route.
+	 *
+	 * We pick a number
+	 *
+	 * - based on the connection's UUID (as stable seed).
+	 * - larger than 51820u (arbitrarily)
+	 * - one out of AUTO_RANDOM_RANGE
+	 */
 
-			if (NMP_OBJECT_CAST_LNK_WIREGUARD (lnk_wg)->fwmark == table)
-				goto try_next_table;
-		}
+	rnd_seed = c_siphash_hash (NM_HASH_SEED_16 (0xb9, 0x39, 0x8e, 0xed, 0x15, 0xb3, 0xd1, 0xc4, 0x5f, 0x45, 0x00, 0x4f, 0xec, 0xc2, 0x2b, 0x7e),
+	                           (const guint8 *) uuid,
+	                           uuid ? strlen (uuid) + 1u : 0u);
 
-		return table;
-try_next_table:
-		;
-	}
+	return 51820u + (rnd_seed % AUTO_RANDOM_RANGE);
 }
 
-#define PRIO_WIDTH ((guint32) 2)
-
-static gboolean
-_auto_default_route_find_priority_exists (const NMDedupMultiHeadEntry *head_entry,
-                                          guint32 priority)
-{
-	NMDedupMultiIter iter;
-	const NMPObject *plobj;
-
-	nmp_cache_iter_for_each (&iter, head_entry, &plobj) {
-		const NMPlatformRoutingRule *rr = NMP_OBJECT_CAST_ROUTING_RULE (plobj);
-
-		/* we don't differenciate between IPv4 vs. IPv6. There should be no
-		 * conflicting rules with the same priority. */
-		if (   rr->priority >= priority
-		    && rr->priority < priority + PRIO_WIDTH)
-			return TRUE;
-	}
-
-	return FALSE;
-}
+#define PRIO_WIDTH 2u
 
 static guint32
-_auto_default_route_find_priority (NMPlatform *platform,
-                                   const char *uuid)
+_auto_default_route_get_auto_priority (const char *uuid)
 {
-	const NMDedupMultiHeadEntry *head_entry;
+	const guint32 RANGE_TOP = 32766u - 1000u;
 	guint64 rnd_seed;
-	const guint32 PRIME_NUMBER = 1111567573u;
-	const guint32 RANGE_TOP = ((32766u - 2u * PRIO_WIDTH) / PRIO_WIDTH);
-	const guint32 RANGE_LEN1 = 200u;
-	const guint32 RANGE_LEN2 = (RANGE_TOP - 100u) - RANGE_LEN1;
-	guint32 range_len;
-	guint32 range_top;
-	guint32 prio_candidate = 0;
-	guint32 i_step;
-	guint32 i;
-
-	/* For the auto-default-route policy routing rule we add 4 rules (2 Ipv4 and 2 IPv6).
-	 * Hence, we choose a priority for the first (of the two rules) and the second
-	 * rule gets priority + 1.
-	 * We want a priority that is
-	 *   - unused so far.
-	 *   - smaller than 32766u (which is the priority of the default rules for IPv4 and IPv6)
-	 *   - stable for each connection but different between connections (we hash the UUID
-	 *     as a "random" seed)
-	 *   - if possible, close to 32766u (RANGE_LEN1). Only otherwise fallback to the entire
-	 *     range (RANGE_LEN2).
-	 */
 
-	rnd_seed = c_siphash_hash ((const guint8 [16]) { 0xb9, 0x39, 0x8e, 0xed, 0x15, 0xb3, 0xd1, 0xc4, 0x5f, 0x45, 0x00, 0x4f, 0xec, 0xc2, 0x2b, 0x7e },
+	/* we pick a priority for the routing rules as follows:
+	 *
+	 * - use the connection's UUID as stable seed for the "random" number.
+	 * - have it smaller than RANGE_TOP (32766u - 1000u), where 32766u is the priority of the default
+	 *   rules
+	 * - we add 2 rules (PRIO_WIDTH). Hence only pick even priorites.
+	 * - pick one out of AUTO_RANDOM_RANGE. */
+
+	rnd_seed = c_siphash_hash (NM_HASH_SEED_16 (0x99, 0x22, 0x4d, 0x7c, 0x37, 0xda, 0x8e, 0x7b, 0x2f, 0x55, 0x16, 0x7b, 0x75, 0xda, 0x42, 0xdc),
 	                           (const guint8 *) uuid,
 	                           uuid ? strlen (uuid) + 1u : 0u);
 
-	head_entry = nm_platform_lookup_object_by_addr_family (platform,
-	                                                       NMP_OBJECT_TYPE_ROUTING_RULE,
-	                                                       AF_UNSPEC);
-
-	range_len = RANGE_LEN1;
-	range_top = RANGE_TOP;
-
-again:
-	i_step = ((guint32) rnd_seed) % range_len;
-	for (i = 0; i < range_len; i++) {
-
-		/* we sample the range in a stable, but somewhat arbitrary order to
-		 * find an unused priority. */
-		i_step = (i_step + PRIME_NUMBER) % range_len;
-
-		nm_assert (i_step < range_top);
-
-		prio_candidate = (range_top - i_step) * PRIO_WIDTH;
-
-		nm_assert (prio_candidate < 32766u);
-
-		if (!_auto_default_route_find_priority_exists (head_entry, prio_candidate))
-			return prio_candidate;
-	}
-
-	if (range_len == RANGE_LEN1) {
-		/* within the narrow range close to RANGE_TOP we couldn't find any unused
-		 * priority. Retry with the entire range... */
-		range_len = RANGE_LEN2;
-		range_top -= RANGE_LEN1;
-		goto again;
-	}
-
-	/* Couldn't find an unused one? Very odd, this really should not happen unless there
-	 * are thousands of rules already. Just pick the last one we sampled. */
-	return prio_candidate;
+	return RANGE_TOP - (((rnd_seed % (PRIO_WIDTH * AUTO_RANDOM_RANGE)) / PRIO_WIDTH) * PRIO_WIDTH);
 }
 
 static void
@@ -423,10 +317,10 @@ _auto_default_route_init (NMDeviceWireGuard *self)
 {
 	NMDeviceWireGuardPrivate *priv = NM_DEVICE_WIREGUARD_GET_PRIVATE (self);
 	NMConnection *connection;
-	NMSettingWireGuard *s_wg;
-	gboolean enabled_v4;
-	gboolean enabled_v6;
+	gboolean enabled_v4 = FALSE;
+	gboolean enabled_v6 = FALSE;
 	gboolean refreshing_only;
+	guint32 new_fwmark = 0;
 	guint32 old_fwmark;
 	char sbuf1[100];
 
@@ -436,40 +330,47 @@ _auto_default_route_init (NMDeviceWireGuard *self)
 
 	refreshing_only =    priv->auto_default_route_initialized
 	                  && priv->auto_default_route_refresh;
-	priv->auto_default_route_refresh = FALSE;
+
+	old_fwmark = priv->auto_default_route_fwmark;
 
 	connection = nm_device_get_applied_connection (NM_DEVICE (self));
+	if (connection) {
+		NMSettingWireGuard *s_wg;
 
-	s_wg = _nm_connection_get_setting (connection, NM_TYPE_SETTING_WIREGUARD);
+		s_wg = _nm_connection_get_setting (connection, NM_TYPE_SETTING_WIREGUARD);
 
-	old_fwmark = priv->auto_default_route_fwmark;
+		new_fwmark = nm_setting_wireguard_get_fwmark (s_wg);
+
+		_auto_default_route_get_enabled (s_wg,
+		                                 connection,
+		                                 &enabled_v4,
+		                                 &enabled_v6);
+	}
 
-	priv->auto_default_route_fwmark = nm_setting_wireguard_get_fwmark (s_wg);
+	if (   (   enabled_v4
+	        || enabled_v6)
+	    && new_fwmark == 0u) {
+		if (refreshing_only)
+			new_fwmark = old_fwmark;
+		else
+			new_fwmark = _auto_default_route_get_auto_fwmark (nm_connection_get_uuid (connection));
+	}
 
-	_auto_default_route_get_enabled (s_wg,
-	                                 connection,
-	                                 &enabled_v4,
-	                                 &enabled_v6);
+	priv->auto_default_route_refresh = FALSE;
+	priv->auto_default_route_fwmark = new_fwmark;
 	priv->auto_default_route_enabled_4 = enabled_v4;
 	priv->auto_default_route_enabled_6 = enabled_v6;
 	priv->auto_default_route_initialized = TRUE;
 
-	if (   (   priv->auto_default_route_enabled_4
-	        || priv->auto_default_route_enabled_6)
-	    && priv->auto_default_route_fwmark == 0u) {
-		if (refreshing_only)
-			priv->auto_default_route_fwmark = old_fwmark;
-		else
-			priv->auto_default_route_fwmark = _auto_default_route_find_unused_table (nm_device_get_platform (NM_DEVICE (self)));
+	if (connection) {
+		_LOGT (LOGD_DEVICE,
+		       "auto-default-route is %s for IPv4 and %s for IPv6%s",
+		       priv->auto_default_route_enabled_4 ? "enabled" : "disabled",
+		       priv->auto_default_route_enabled_6 ? "enabled" : "disabled",
+		         priv->auto_default_route_enabled_4 || priv->auto_default_route_enabled_6
+		       ? nm_sprintf_buf (sbuf1, " (fwmark 0x%x)", priv->auto_default_route_fwmark)
+		       : "");
 	}
-
-	_LOGT (LOGD_DEVICE,
-	       "auto-default-route is %s for IPv4 and %s for IPv6%s",
-	       priv->auto_default_route_enabled_4 ? "enabled" : "disabled",
-	       priv->auto_default_route_enabled_6 ? "enabled" : "disabled",
-	         priv->auto_default_route_enabled_4 || priv->auto_default_route_enabled_6
-	       ? nm_sprintf_buf (sbuf1, " (fwmark 0x%x)", priv->auto_default_route_fwmark)
-	       : "");
 }
 
 static GPtrArray *
@@ -506,8 +407,7 @@ get_extra_rules (NMDevice *device)
 			if (priv->auto_default_route_priority_initialized)
 				priority = priv->auto_default_route_priority;
 			else {
-				priority = _auto_default_route_find_priority (nm_device_get_platform (device),
-				                                              nm_connection_get_uuid (connection));
+				priority = _auto_default_route_get_auto_priority (nm_connection_get_uuid (connection));
 				priv->auto_default_route_priority = priority;
 				priv->auto_default_route_priority_initialized = TRUE;
 			}
@@ -624,7 +524,7 @@ _peers_remove (NMDeviceWireGuardPrivate *priv,
 	nm_clear_g_cancellable (&peer_data->ep_resolv.cancellable);
 	g_slice_free (PeerData, peer_data);
 
-	if (c_list_is_empty (&peer_data->lst_peers)) {
+	if (c_list_is_empty (&priv->lst_peers_head)) {
 		nm_clear_g_source (&priv->resolve_next_try_id);
 		nm_clear_g_source (&priv->link_config_delayed_id);
 	}
@@ -1567,7 +1467,7 @@ link_config (NMDeviceWireGuard *self,
 	                                       plpeers_len,
 	                                       wg_change_flags);
 
-	nm_explicit_bzero (plpeers, sizeof (plpeers) * plpeers_len);
+	nm_explicit_bzero (plpeers, sizeof (plpeers[0]) * plpeers_len);
 
 	if (r < 0) {
 		NM_SET_OUT (out_failure_reason, NM_DEVICE_STATE_REASON_CONFIG_FAILED);
@@ -1618,6 +1518,17 @@ link_config_delayed_resolver_cb (gpointer user_data)
 }
 
 static NMActStageReturn
+act_stage1_prepare (NMDevice *device, NMDeviceStateReason *out_failure_reason)
+{
+	NMDeviceWireGuardPrivate *priv = NM_DEVICE_WIREGUARD_GET_PRIVATE (device);
+
+	priv->auto_default_route_initialized = FALSE;
+	priv->auto_default_route_priority_initialized = FALSE;
+
+	return NM_DEVICE_CLASS (nm_device_wireguard_parent_class)->act_stage1_prepare (device, out_failure_reason);
+}
+
+static NMActStageReturn
 act_stage2_config (NMDevice *device,
                    NMDeviceStateReason *out_failure_reason)
 {
@@ -2057,6 +1968,7 @@ nm_device_wireguard_class_init (NMDeviceWireGuardClass *klass)
 	device_class->connection_type_check_compatible = NM_SETTING_WIREGUARD_SETTING_NAME;
 	device_class->link_types = NM_DEVICE_DEFINE_LINK_TYPES (NM_LINK_TYPE_WIREGUARD);
 
+	device_class->act_stage1_prepare = act_stage1_prepare;
 	device_class->state_changed = device_state_changed;
 	device_class->create_and_realize = create_and_realize;
 	device_class->act_stage2_config = act_stage2_config;
diff --git a/src/devices/nm-device.c b/src/devices/nm-device.c
index feb5110d..f07c4f09 100644
--- a/src/devices/nm-device.c
+++ b/src/devices/nm-device.c
@@ -3186,14 +3186,11 @@ nm_device_check_connectivity (NMDevice *self,
                               NMDeviceConnectivityCallback callback,
                               gpointer user_data)
 {
-	NMDeviceConnectivityHandle *handle;
-
 	if (!concheck_is_possible (self))
 		return NULL;
 
 	concheck_periodic_schedule_set (self, addr_family, CONCHECK_SCHEDULE_CHECK_EXTERNAL);
-	handle = concheck_start (self, addr_family, callback, user_data, FALSE);
-	return handle;
+	return concheck_start (self, addr_family, callback, user_data, FALSE);
 }
 
 void
@@ -4153,13 +4150,14 @@ nm_device_create_and_realize (NMDevice *self,
 {
 	nm_auto_nmpobj const NMPObject *plink_keep_alive = NULL;
 	NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
-	const NMPlatformLink *plink = NULL;
+	const NMPlatformLink *plink;
 
 	/* Must be set before device is realized */
-	priv->nm_owned = !nm_platform_link_get_by_ifname (nm_device_get_platform (self), priv->iface);
-
+	plink = nm_platform_link_get_by_ifname (nm_device_get_platform (self), priv->iface);
+	priv->nm_owned = !plink || !link_type_compatible (self, plink->type, NULL, NULL);
 	_LOGD (LOGD_DEVICE, "create (is %snm-owned)", priv->nm_owned ? "" : "not ");
 
+	plink = NULL;
 	/* Create any resources the device needs */
 	if (NM_DEVICE_GET_CLASS (self)->create_and_realize) {
 		if (!NM_DEVICE_GET_CLASS (self)->create_and_realize (self, connection, parent, &plink, error))
@@ -4986,7 +4984,6 @@ nm_device_master_release_slaves (NMDevice *self)
 {
 	NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
 	NMDeviceStateReason reason;
-	gboolean configure = TRUE;
 	CList *iter, *safe;
 
 	/* Don't release the slaves if this connection doesn't belong to NM. */
@@ -4997,14 +4994,10 @@ nm_device_master_release_slaves (NMDevice *self)
 	if (priv->state == NM_DEVICE_STATE_FAILED)
 		reason = NM_DEVICE_STATE_REASON_DEPENDENCY_FAILED;
 
-	if (   priv->ifindex <= 0
-	    || !nm_platform_link_get (nm_device_get_platform (self), priv->ifindex))
-		configure = FALSE;
-
 	c_list_for_each_safe (iter, safe, &priv->slaves) {
 		SlaveInfo *info = c_list_entry (iter, SlaveInfo, lst_slave);
 
-		nm_device_master_release_one_slave (self, info->slave, configure, reason);
+		nm_device_master_release_one_slave (self, info->slave, TRUE, reason);
 	}
 }
 
@@ -15121,6 +15114,7 @@ _set_state_full (NMDevice *self,
 	gboolean no_firmware = FALSE;
 	NMSettingsConnection *sett_conn;
 	NMSettingSriov *s_sriov;
+	gboolean concheck_now;
 
 	g_return_if_fail (NM_IS_DEVICE (self));
 
@@ -15456,8 +15450,11 @@ _set_state_full (NMDevice *self,
 	if (ip_config_valid (old_state) && !ip_config_valid (state))
 	    notify_ip_properties (self);
 
-	concheck_update_interval (self, AF_INET, state == NM_DEVICE_STATE_ACTIVATED);
-	concheck_update_interval (self, AF_INET6, state == NM_DEVICE_STATE_ACTIVATED);
+	concheck_now =    NM_IN_SET (state, NM_DEVICE_STATE_ACTIVATED,
+	                                    NM_DEVICE_STATE_DISCONNECTED)
+	               || old_state >= NM_DEVICE_STATE_ACTIVATED;
+	concheck_update_interval (self, AF_INET, concheck_now);
+	concheck_update_interval (self, AF_INET6, concheck_now);
 
 	/* Dispose of the cached activation request */
 	if (req)
diff --git a/src/devices/nm-lldp-listener.c b/src/devices/nm-lldp-listener.c
index c0d78315..469ccce1 100644
--- a/src/devices/nm-lldp-listener.c
+++ b/src/devices/nm-lldp-listener.c
@@ -224,7 +224,7 @@ _lldp_attr_set_str (LldpAttrData *pdata, LldpAttrId attr_id, const char *v_strin
 }
 
 static void
-_lldp_attr_take_str_ptr (LldpAttrData *pdata, LldpAttrId attr_id, char *str)
+_lldp_attr_set_str_take (LldpAttrData *pdata, LldpAttrId attr_id, char *str)
 {
 	nm_assert (pdata);
 	nm_assert (_lldp_attr_id_to_type (attr_id) == LLDP_ATTR_TYPE_STRING);
@@ -232,8 +232,10 @@ _lldp_attr_take_str_ptr (LldpAttrData *pdata, LldpAttrId attr_id, char *str)
 	pdata = &pdata[attr_id];
 
 	/* we ignore duplicate fields silently. */
-	if (pdata->attr_type != LLDP_ATTR_TYPE_NONE)
+	if (pdata->attr_type != LLDP_ATTR_TYPE_NONE) {
+		g_free (str);
 		return;
+	}
 
 	pdata->attr_type = LLDP_ATTR_TYPE_STRING;
 	pdata->v_string = str;
@@ -265,8 +267,7 @@ _lldp_attr_set_vardict (LldpAttrData *pdata, LldpAttrId attr_id, GVariant *varia
 
 	/* we ignore duplicate fields silently */
 	if (pdata->attr_type != LLDP_ATTR_TYPE_NONE) {
-		if (g_variant_is_floating (variant))
-			g_variant_unref (variant);
+		nm_g_variant_unref_floating (variant);
 		return;
 	}
 
@@ -685,9 +686,10 @@ lldp_neighbor_new (sd_lldp_neighbor *neighbor_sd, GError **error)
 				                        g_variant_dict_end (&dict));
 
 				_lldp_attr_set_uint32 (neigh->attrs, LLDP_ATTR_ID_IEEE_802_1_VID, vid);
-				_lldp_attr_take_str_ptr (neigh->attrs,
-				                         LLDP_ATTR_ID_IEEE_802_1_VLAN_NAME,
-				                         name_to_free ?: g_strdup (name));
+				if (name_to_free)
+					_lldp_attr_set_str_take (neigh->attrs, LLDP_ATTR_ID_IEEE_802_1_VLAN_NAME, name_to_free);
+				else
+					_lldp_attr_set_str (neigh->attrs, LLDP_ATTR_ID_IEEE_802_1_VLAN_NAME, name);
 				break;
 			}
 			default:
diff --git a/src/devices/team/nm-device-team.c b/src/devices/team/nm-device-team.c
index a60a9fda..4661a840 100644
--- a/src/devices/team/nm-device-team.c
+++ b/src/devices/team/nm-device-team.c
@@ -775,6 +775,12 @@ release_slave (NMDevice *device,
 	NMDeviceTeamPrivate *priv = NM_DEVICE_TEAM_GET_PRIVATE (self);
 	gboolean success;
 	int ifindex_slave;
+	int ifindex;
+
+	ifindex = nm_device_get_ifindex (device);
+	if (   ifindex <= 0
+	    || !nm_platform_link_get (nm_device_get_platform (device), ifindex))
+		configure = FALSE;
 
 	ifindex_slave = nm_device_get_ip_ifindex (slave);
 
diff --git a/src/devices/wwan/nm-modem-broadband.c b/src/devices/wwan/nm-modem-broadband.c
index 5716500a..216fedfe 100644
--- a/src/devices/wwan/nm-modem-broadband.c
+++ b/src/devices/wwan/nm-modem-broadband.c
@@ -1134,7 +1134,7 @@ simple_disconnect_ready (GObject *source_object,
 {
 	MMModemSimple *modem_iface = MM_MODEM_SIMPLE (source_object);
 	DisconnectContext *ctx = user_data;
-	GError *error = NULL;
+	gs_free_error GError *error = NULL;
 
 	if (!mm_modem_simple_disconnect_finish (modem_iface, res, &error)) {
 		if (   ctx->warn