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tstun: remove buggy-looking log line.

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This log line looks buggy, even though lacking a filter is expected during bringup.
We already know if we forget to SetFilter: it breaks the magicsock test,
so no useful information is lost.

Resolves #559.

Signed-off-by: Dmytro Shynkevych <dmytro@tailscale.com>
This commit is contained in:
Dmytro Shynkevych 2020-07-15 11:48:33 -04:00
parent 60f4982f9b
commit 19867b2b6d
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GPG Key ID: FF5E2F3DAD97EA23
1 changed files with 1 additions and 3 deletions
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4
wgengine/tstun/tun.go
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@ -109,7 +109,7 @@ type TUN struct {
func WrapTUN(logf logger.Logf, tdev tun.Device) *TUN {
tun := &TUN{
logf: logf,
logf: logger.WithPrefix(logf, "tstun: "),
tdev: tdev,
// bufferConsumed is conceptually a condition variable:
// a goroutine should not block when setting it, even with no listeners.
@ -221,7 +221,6 @@ func (t *TUN) filterOut(buf []byte) filter.Response {
filt, _ := t.filter.Load().(*filter.Filter)
if filt == nil {
t.logf("tstun: warning: you forgot to use SetFilter()! Packet dropped.")
return filter.Drop
}
@ -301,7 +300,6 @@ func (t *TUN) filterIn(buf []byte) filter.Response {
filt, _ := t.filter.Load().(*filter.Filter)
if filt == nil {
t.logf("tstun: warning: you forgot to use SetFilter()! Packet dropped.")
return filter.Drop
}