Prevent from crashing if no present

yast · Jul 3, 2018 · e6bad8a · e6bad8a
1 parent a30e11f
commit e6bad8a
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/library/network/src/modules/NetworkInterfaces.rb b/library/network/src/modules/NetworkInterfaces.rb
@@ -893,8 +893,8 @@ def Write(devregex)
           # look in OriginalDevs because we need to catch all variables
           # of the alias
 
-          dev_aliases = original_devs[typ][dev]["_aliases"][anum] || {}
-          dev_aliases.keys.each do |key|
+          dev_aliases = original_devs.fetch(typ, {}).fetch(dev, {}).fetch("_aliases", {})
+          dev_aliases.fetch(anum, {}).keys.each do |key|
             p = base + "#{key}_#{anum}"
             log.debug("deleting: #{p}")
             SCR.Write(p, nil)