use default region if the region is nil

carmark · carmark · commit 116dda34ed41 · 2017-09-20T11:30:35.000+08:00
diff --git a/api/client/config.go b/api/client/config.go
@@ -116,7 +116,7 @@ func (cli *DockerCli) checkCloudConfig() error {
 
 func (cli *DockerCli) getDefaultRegion() string {
 	cc, ok := cli.configFile.CloudConfig[cliconfig.DefaultHyperFormat]
-	if ok {
+	if ok && cc.Region != "" {
 		return cc.Region
 	}
 	return cliconfig.DefaultHyperRegion

Original file line number	Diff line number	Diff line change
`@@ -116,7 +116,7 @@ func (cli *DockerCli) checkCloudConfig() error {`
`116`	`116`
`117`	`117`	`func (cli *DockerCli) getDefaultRegion() string {`
`118`	`118`	`cc, ok := cli.configFile.CloudConfig[cliconfig.DefaultHyperFormat]`
`119`		`- if ok {`
	`119`	`+ if ok && cc.Region != "" {`
`120`	`120`	`return cc.Region`
`121`	`121`	`}`
`122`	`122`	`return cliconfig.DefaultHyperRegion`