diff --git a/wgengine/filter/match.go b/wgengine/filter/match.go index 572595c7b..651c7f83d 100644 --- a/wgengine/filter/match.go +++ b/wgengine/filter/match.go @@ -47,8 +47,7 @@ var NetAny = Net{0, 0} var NetNone = Net{^IP(0), ^IP(0)} func Netmask(bits int) IP { - var b uint32 - b = ^uint32((1 << (32 - bits)) - 1) + b := ^uint32((1 << (32 - bits)) - 1) return IP(b) }