tun: guard Device.Events() against chan writes

Signed-off-by: Jordan Whited <jordan@tailscale.com>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/tun/tun_linux.go b/tun/tun_linux.go
index 6275399..25dbc07 100644
--- a/tun/tun_linux.go
+++ b/tun/tun_linux.go
@@ -376,7 +376,7 @@ func (tun *NativeTun) Read(buf []byte, offset int) (n int, err error) {
 	return
 }
 
-func (tun *NativeTun) Events() chan Event {
+func (tun *NativeTun) Events() <-chan Event {
 	return tun.events
 }