net/{dnscache,interfaces}: use netaddr.IP.IsPrivate, delete copied code

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
This commit is contained in:
Brad Fitzpatrick
2021-07-26 19:51:18 -07:00
committed by Brad Fitzpatrick
parent dde8e28f00
commit aaf2df7ab1
8 changed files with 13 additions and 65 deletions

View File

@ -93,7 +93,7 @@ func likelyHomeRouterIPWindows() (ret netaddr.IP, ok bool) {
}
}
if !ret.IsZero() && !isPrivateIP(ret) {
if !ret.IsZero() && !ret.IsPrivate() {
// Default route has a non-private gateway
return netaddr.IP{}, false
}