Fix a crash in graphdriver init

Solomon Hykes · Solomon Hykes · commit a63ff8da46e1 · 2013-11-07T20:31:50.000Z
diff --git a/graphdriver/driver.go b/graphdriver/driver.go
@@ -36,6 +36,10 @@ var (
 	}
 )
 
+func init() {
+	drivers = make(map[string]InitFunc)
+}
+
 func Register(name string, initFunc InitFunc) error {
 	if _, exists := drivers[name]; exists {
 		return fmt.Errorf("Name already registered %s", name)

Original file line number	Diff line number	Diff line change
`@@ -36,6 +36,10 @@ var (`
`36`	`36`	`}`
`37`	`37`	`)`
`38`	`38`
	`39`	`+func init() {`
	`40`	`+ drivers = make(map[string]InitFunc)`
	`41`	`+}`
	`42`	`+`
`39`	`43`	`func Register(name string, initFunc InitFunc) error {`
`40`	`44`	`if _, exists := drivers[name]; exists {`
`41`	`45`	`return fmt.Errorf("Name already registered %s", name)`