fix(build): guard against empty IPv6 address in static mode

Prevents 'net0: invalid format' when IPv6 method is static but IPV6_ADDR is empty. Fixes #13178.
2026-03-23 18:33:00 +01:00 · 2026-03-22 20:43:28 +01:00
1 changed files with 4 additions and 2 deletions
--- a/misc/build.func
+++ b/misc/build.func
@@ -3544,8 +3544,10 @@ build_container() {
  auto) NET_STRING="$NET_STRING,ip6=auto" ;;
  dhcp) NET_STRING="$NET_STRING,ip6=dhcp" ;;
  static)
-    NET_STRING="$NET_STRING,ip6=$IPV6_ADDR"
-    [ -n "$IPV6_GATE" ] && NET_STRING="$NET_STRING,gw6=$IPV6_GATE"
+    if [[ -n "$IPV6_ADDR" ]]; then
+      NET_STRING="$NET_STRING,ip6=$IPV6_ADDR"
+      [ -n "$IPV6_GATE" ] && NET_STRING="$NET_STRING,gw6=$IPV6_GATE"
+    fi
    ;;
  none) ;;
  esac