add missing error check

Upstream-commit: f84dc1e90858924f9fafe89e81005842a6b4f166 Component: engine
2013-10-03 22:33:00 +00:00
parent 34abbb9020
commit c5e3b824b5
1 changed files with 4 additions and 1 deletions
@@ -83,7 +83,10 @@ func MergeConfig(userConf, imageConf *Config) error {
 	} else {
 		for _, imagePortSpec := range imageConf.PortSpecs {
 			found := false
-			imageNat, _ := parseNat(imagePortSpec)
+			imageNat, err := parseNat(imagePortSpec)
+			if err != nil {
+				return err
+			}
 			for _, userPortSpec := range userConf.PortSpecs {
 				userNat, err := parseNat(userPortSpec)
 				if err != nil {