Merge pull request #5676 from simonz05/bugfix-sysctl-multivalue2

Correctly compare values returned by 'sysctl -e -n'

library/system/sysctl

@@ -148,7 +148,7 @@ class SysctlModule(object):
         if self.args['sysctl_set']:            
             if self.proc_value is None:
                 self.changed = True
-            elif self.proc_value != self.args['value']:
+            elif not self._values_is_equal(self.proc_value, self.args['value']):
                 self.changed = True 
                 self.set_proc = True
 
@@ -161,6 +161,21 @@ class SysctlModule(object):
             if self.set_proc:
                 self.set_token_value(self.args['name'], self.args['value'])
 
+    def _values_is_equal(self, a, b):
+        """Expects two string values. It will split the string by whitespace
+        and compare each value. It will return True if both lists are the same,
+        contain the same elements and the same order."""
+        if a is None or b is None:
+            return False
+
+        a = a.split()
+        b = b.split()
+
+        if len(a) != len(b):
+            return False
+
+        return len([i for i, j in zip(a, b) if i == j]) == len(a)
+
     # ==============================================================
     #   SYSCTL COMMAND MANAGEMENT
     # ==============================================================