Commit d67274ba authored by Mika Westerberg's avatar Mika Westerberg
Browse files

thunderbolt: Find XDomain by route instead of UUID 



We are going to represent loops back to the host also as XDomains and
they all have the same (host) UUID, so finding them needs to use route
string instead. This also requires that we check if the XDomain device
is added to the bus before its properties can be updated. Otherwise the
remote UUID might not be populated yet.

Signed-off-by: default avatarMika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: default avatarYehezkel Bernat <YehezkelShB@gmail.com>
Reviewed-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 81816f50

drivers/thunderbolt/xdomain.c

+5 −5
Original line number Diff line number Diff line
@@ -587,8 +587,6 @@ static void tb_xdp_handle_request(struct work_struct *work) 
		break;



	case PROPERTIES_CHANGED_REQUEST: {

		const struct tb_xdp_properties_changed *xchg =

			(const struct tb_xdp_properties_changed *)pkg;

		struct tb_xdomain *xd;



		ret = tb_xdp_properties_changed_response(ctl, route, sequence);
@@ -598,10 +596,12 @@ static void tb_xdp_handle_request(struct work_struct *work) 
		 * the xdomain related to this connection as well in

		 * case there is a change in services it offers.

		 */

		xd = tb_xdomain_find_by_uuid_locked(tb, &xchg->src_uuid);

		xd = tb_xdomain_find_by_route_locked(tb, route);

		if (xd) {

			if (device_is_registered(&xd->dev)) {

				queue_delayed_work(tb->wq, &xd->get_properties_work,

						   msecs_to_jiffies(50));

			}

			tb_xdomain_put(xd);

		}