Maisem Ali f6a203fe23 control/controlclient: check c.closed in waitUnpause
We would only check if the client was paused, but not
if the client was closed. This meant that a call to
Shutdown may block forever/leak goroutines

Updates #cleanup

Signed-off-by: Maisem Ali <maisem@tailscale.com>
2023-09-05 12:31:25 -07:00
..