From f1c46ed9f1a372df4d60e0643fb29eeec2cade53 Mon Sep 17 00:00:00 2001
From: Uriel Fanelli <loweel@gmx.de>
Date: Mon, 14 Aug 2023 12:05:35 +0200
Subject: [PATCH] Improved check of interface IPs

---
 interface.go | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/interface.go b/interface.go
index d0cc5c0..7b6e8fd 100644
--- a/interface.go
+++ b/interface.go
@@ -190,17 +190,18 @@ func (b *AbstractBridge) IsAssigned() bool {
 		log.Printf("Error is: %s\n", err.Error())
 		return false
 	}
+
+	if len(addrs) < 1 {
+		log.Printf("Interface has NO ip addresses")
+		return false
+	}
+
 	for _, addr := range addrs { // get ipv4 address
 		if ipv4Addr = addr.(*net.IPNet).IP.To4(); ipv4Addr != nil {
 			log.Printf("Error reading IPs for interface %s\n", interfaceName)
-			log.Printf("Error is: %s\n", err.Error())
-			break
+			return false
 		}
 	}
-	if ipv4Addr == nil {
-		log.Printf("interface %s don't have an ipv4 address\n", interfaceName)
-		return false
-	}
 
 	for _, addr := range addrs {
 		if addr.String() == bridgeip {