diff --git a/src/platform/nm-linux-platform.c b/src/platform/nm-linux-platform.c
index 09765170d..b0000e076 100644
--- a/src/platform/nm-linux-platform.c
+++ b/src/platform/nm-linux-platform.c
@@ -3681,7 +3681,7 @@ _nl_msg_new_link_set_afspec (struct nl_msg *msg,
 
 	return TRUE;
 nla_put_failure:
-	return FALSE;
+	g_return_val_if_reached (FALSE);
 }
 
 static gboolean
@@ -3832,7 +3832,7 @@ _nl_msg_new_link_set_linkinfo_vlan (struct nl_msg *msg,
 
 	return TRUE;
 nla_put_failure:
-	return FALSE;
+	g_return_val_if_reached (FALSE);
 }
 
 static struct nl_msg *
@@ -4278,7 +4278,7 @@ _add_action_simple (struct nl_msg *msg,
 	return TRUE;
 
 nla_put_failure:
-	return FALSE;
+	g_return_val_if_reached (FALSE);
 }
 
 static gboolean
@@ -4308,7 +4308,7 @@ _add_action_mirred (struct nl_msg *msg,
 	return TRUE;
 
 nla_put_failure:
-	return FALSE;
+	g_return_val_if_reached (FALSE);
 }
 
 static gboolean
@@ -4334,7 +4334,7 @@ _add_action (struct nl_msg *msg,
 	return TRUE;
 
 nla_put_failure:
-	return FALSE;
+	g_return_val_if_reached (FALSE);
 }
 
 static struct nl_msg *
diff --git a/src/platform/wifi/nm-wifi-utils-nl80211.c b/src/platform/wifi/nm-wifi-utils-nl80211.c
index 4f7ede975..6a8525ed4 100644
--- a/src/platform/wifi/nm-wifi-utils-nl80211.c
+++ b/src/platform/wifi/nm-wifi-utils-nl80211.c
@@ -103,7 +103,7 @@ _nl80211_alloc_msg (int id, int ifindex, int phy, guint32 cmd, guint32 flags)
 	return g_steal_pointer (&msg);
 
 nla_put_failure:
-	return NULL;
+	g_return_val_if_reached (NULL);
 }
 
 static struct nl_msg *
@@ -250,7 +250,7 @@ wifi_nl80211_set_mode (NMWifiUtils *data, const NM80211Mode mode)
 	return err >= 0;
 
 nla_put_failure:
-	return FALSE;
+	g_return_val_if_reached (FALSE);
 }
 
 static gboolean
@@ -267,7 +267,7 @@ wifi_nl80211_set_powersave (NMWifiUtils *data, guint32 powersave)
 	return err >= 0;
 
 nla_put_failure:
-	return FALSE;
+	g_return_val_if_reached (FALSE);
 }
 
 static int
@@ -365,7 +365,7 @@ wifi_nl80211_set_wake_on_wlan (NMWifiUtils *data, NMSettingWirelessWakeOnWLan wo
 	return err >= 0;
 
 nla_put_failure:
-	return FALSE;
+	g_return_val_if_reached (FALSE);
 }
 
 /* @divisor: pass what value @xbm should be divided by to get dBm */
@@ -642,7 +642,7 @@ nl80211_get_ap_info (NMWifiUtilsNl80211 *self,
 	return;
 
 nla_put_failure:
-	return;
+	g_return_if_reached ();
 }
 
 static guint32
@@ -695,7 +695,7 @@ wifi_nl80211_indicate_addressing_running (NMWifiUtils *data, gboolean running)
 	return err >= 0;
 
 nla_put_failure:
-	return FALSE;
+	g_return_val_if_reached (FALSE);
 }
 
 struct nl80211_device_info {
diff --git a/src/platform/wpan/nm-wpan-utils.c b/src/platform/wpan/nm-wpan-utils.c
index b7a51e9bf..0afc2a4d0 100644
--- a/src/platform/wpan/nm-wpan-utils.c
+++ b/src/platform/wpan/nm-wpan-utils.c
@@ -92,7 +92,7 @@ _nl802154_alloc_msg (int id, int ifindex, guint32 cmd, guint32 flags)
 	return g_steal_pointer (&msg);
 
 nla_put_failure:
-	return NULL;
+	g_return_val_if_reached (NULL);
 }
 
 static struct nl_msg *
@@ -217,7 +217,7 @@ nm_wpan_utils_set_pan_id (NMWpanUtils *self, guint16 pan_id)
 	return err >= 0;
 
 nla_put_failure:
-	return FALSE;
+	g_return_val_if_reached (FALSE);
 }
 
 guint16
@@ -244,7 +244,7 @@ nm_wpan_utils_set_short_addr (NMWpanUtils *self, guint16 short_addr)
 	return err >= 0;
 
 nla_put_failure:
-	return FALSE;
+	g_return_val_if_reached (FALSE);
 }
 
 gboolean
@@ -262,7 +262,7 @@ nm_wpan_utils_set_channel (NMWpanUtils *self, guint8 page, guint8 channel)
 	return err >= 0;
 
 nla_put_failure:
-	return FALSE;
+	g_return_val_if_reached (FALSE);
 }
 
 /*****************************************************************************/