config: only walk if non-nil

This commit is contained in:
Mitchell Hashimoto 2014-08-11 21:55:47 -07:00
parent 2fd545bca1
commit 3e3be5e2a3

View File

@ -127,6 +127,7 @@ func (c *Config) Validate() error {
} }
w := &interpolationWalker{F: fn} w := &interpolationWalker{F: fn}
if v.Default != nil {
if err := reflectwalk.Walk(v.Default, w); err == nil { if err := reflectwalk.Walk(v.Default, w); err == nil {
if interp { if interp {
errs = append(errs, fmt.Errorf( errs = append(errs, fmt.Errorf(
@ -135,6 +136,7 @@ func (c *Config) Validate() error {
} }
} }
} }
}
// Check for references to user variables that do not actually // Check for references to user variables that do not actually
// exist and record those errors. // exist and record those errors.