From 7d329215b0fab6fd3fe16feb38984547f88caf72 Mon Sep 17 00:00:00 2001
From: Dan Williams <dcbw@redhat.com>
Date: Thu, 16 Aug 2018 09:50:28 -0500
Subject: [PATCH] portmap: don't panic if listing a chain returns fewer lines
 than expected

---
 plugins/meta/portmap/chain.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/plugins/meta/portmap/chain.go b/plugins/meta/portmap/chain.go
index 5ebfe6a31..e275cb95b 100644
--- a/plugins/meta/portmap/chain.go
+++ b/plugins/meta/portmap/chain.go
@@ -78,7 +78,7 @@ func (c *chain) teardown(ipt *iptables.IPTables) error {
 
 	for _, entryChain := range c.entryChains {
 		entryChainRules, err := ipt.List(c.table, entryChain)
-		if err != nil {
+		if err != nil || len(entryChainRules) < 1 {
 			// Swallow error here - probably the chain doesn't exist.
 			// If we miss something the deletion will fail
 			continue