From: Yevgeny Petrilin <redacted>
Date: Wed, 13 May 2009 14:47:22 +0300

Napi structures are being created each time we open a port, but when
the port is closed the napi structure is only disabled but not removed.
This bug caused hang while removing the driver.

Signed-off-by: Yevgeny Petrilin <redacted>

Applied, thanks!