Commit 48168f45 authored by Tomas Winkler's avatar Tomas Winkler Committed by Greg Kroah-Hartman
Browse files

mei: bus: report if event registration failed 



If event registeration has failed, the caller should know
about it.

Signed-off-by: default avatarTomas Winkler <tomas.winkler@intel.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 7e280ab6

drivers/misc/mei/bus.c

+5 −1
Original line number Diff line number Diff line
@@ -256,6 +256,8 @@ void mei_cl_bus_rx_event(struct mei_cl *cl) 
int mei_cl_register_event_cb(struct mei_cl_device *cldev,

			  mei_cl_event_cb_t event_cb, void *context)

{

	int ret;



	if (cldev->event_cb)

		return -EALREADY;
@@ -264,7 +266,9 @@ int mei_cl_register_event_cb(struct mei_cl_device *cldev, 
	cldev->event_context = context;

	INIT_WORK(&cldev->event_work, mei_bus_event_work);



	mei_cl_read_start(cldev->cl, 0, NULL);

	ret = mei_cl_read_start(cldev->cl, 0, NULL);

	if (ret && ret != -EBUSY)

		return ret;



	return 0;

}