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net/dns: fix NM's GetBaseConfig when no configs exist. 

Signed-off-by: David Anderson <danderson@tailscale.com>
pull/1704/head
David Anderson 2021-04-12 19:14:43 -07:00
parent fe3b1ab747
commit 9ef932517b
1 changed files with 4 additions and 0 deletions
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4
net/dns/nm.go
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@ -279,6 +279,10 @@ func (m *nmManager) GetBaseConfig() (OSConfig, error) {
return OSConfig{}, fmt.Errorf("unexpected NM config type %T", v.Value()) return OSConfig{}, fmt.Errorf("unexpected NM config type %T", v.Value())
} }
if len(cfgs) == 0 {
return OSConfig{}, nil
}
type dnsPrio struct { type dnsPrio struct {
resolvers []netaddr.IP resolvers []netaddr.IP
domains []string domains []string