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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
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+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;
}