GitLab

Interrupt handler did not properly initialize a variable on a per-port
basis, leading to incorrect behavior on ports other than port 0.

Bug caught and fixed by Mark Lord.
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Chris Wright <chrisw@sous-sol.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>