Fix nil dereference in copy method

Preetha Appan · Preetha Appan · commit 22ac0498ca48 · 2018-11-26T15:53:15.000-06:00
diff --git a/plugins/drivers/driver.go b/plugins/drivers/driver.go
@@ -250,6 +250,9 @@ func (r *ExitResult) Successful() bool {
 }
 
 func (r *ExitResult) Copy() *ExitResult {
+	if r == nil {
+		return nil
+	}
 	res := new(ExitResult)
 	*res = *r
 	return res

Original file line number	Diff line number	Diff line change
`@@ -250,6 +250,9 @@ func (r *ExitResult) Successful() bool {`
`250`	`250`	`}`
`251`	`251`
`252`	`252`	`func (r ExitResult) Copy() ExitResult {`
	`253`	`+ if r == nil {`
	`254`	`+ return nil`
	`255`	`+ }`
`253`	`256`	`res := new(ExitResult)`
`254`	`257`	`res = r`
`255`	`258`	`return res`