Merge pull request containernetworking#191 from dcbw/portmap-panic-fix

portmap: don't panic if listing a chain returns fewer lines than exected
chenleji · Sep 5, 2018 · 35b87a3 · 35b87a3
2 parents 6a12a37 + 7d32921
commit 35b87a3
Showing 1 changed file with 1 addition and 1 deletion.
diff --git 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