only create chroot directory when path policies are available

qssb.h

@@ -481,7 +481,14 @@ int qssb_enable_policy(struct qssb_policy *policy)
 		return -EINVAL;
 	}
 
+	if(enter_namespaces(policy->namespace_options) < 0)
+	{
+		QSSB_LOG_ERROR("Error while trying to enter namespaces\n");
+		return -1;
+	}
 
+	if(policy->path_policies != NULL)
+	{
 		if(policy->chroot_target_path == NULL)
 		{
 			char *target_dir = (char *) calloc(1, PATH_MAX * sizeof(char));
@@ -508,14 +515,6 @@ int qssb_enable_policy(struct qssb_policy *policy)
 			}
 		}
 
-	if(enter_namespaces(policy->namespace_options) < 0)
-	{
-		QSSB_LOG_ERROR("Error while trying to enter namespaces\n");
-		return -1;
-	}
-
-	if(policy->path_policies != NULL)
-	{
 		if(mount_to_chroot(policy->chroot_target_path, policy->path_policies) < 0)
 		{
 			QSSB_LOG_ERROR("mount_to_chroot: setup of path policies failed\n");