Commit b829e010 authored by Ohad Sharabi's avatar Ohad Sharabi Committed by Oded Gabbay
Browse files

habanalabs: skip events info ioctl if not supported 



Some ASICs haven't yet implemented this functionality and so the
ioctl call should fail and the user should be notified of the reason.

Signed-off-by: default avatarOhad Sharabi <osharabi@habana.ai>
Reviewed-by: default avatarOded Gabbay <ogabbay@kernel.org>
Signed-off-by: default avatarOded Gabbay <ogabbay@kernel.org>
parent 3daa64ee

drivers/misc/habanalabs/common/habanalabs_ioctl.c

+4 −0
Original line number Diff line number Diff line
@@ -123,6 +123,10 @@ static int hw_events_info(struct hl_device *hdev, bool aggregate, 
		return -EINVAL;



	arr = hdev->asic_funcs->get_events_stat(hdev, aggregate, &size);

	if (!arr) {

		dev_err(hdev->dev, "Events info not supported\n");

		return -EOPNOTSUPP;

	}



	return copy_to_user(out, arr, min(max_size, size)) ? -EFAULT : 0;

}