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Fix a crash in graphdriver init

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This commit is contained in:
Solomon Hykes 2013-11-07 20:31:50 +00:00
parent 77ae9789d3
commit a63ff8da46
1 changed files with 4 additions and 0 deletions
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4
graphdriver/driver.go
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@ -36,6 +36,10 @@ var (
} }
) )
func init() {
drivers = make(map[string]InitFunc)
}
func Register(name string, initFunc InitFunc) error { func Register(name string, initFunc InitFunc) error {
if _, exists := drivers[name]; exists { if _, exists := drivers[name]; exists {
return fmt.Errorf("Name already registered %s", name) return fmt.Errorf("Name already registered %s", name)