Improve some range checks.

cmd.c

 		case CMD_VIDEO_OUTPUT_ROUTING:
 			if (valid_slot) {
 				unsigned int dest_pos = strtoul(slot_data, NULL, 10);
-				if (dest_pos < ARRAY_SIZE(data->outputs))
+				if (dest_pos < ARRAY_SIZE(data->inputs))
 					data->outputs[slot_pos].routed_to = dest_pos;
 			}
 			break;

videohubctrl.c

 	printf_line(70);
 	printf("|  # | x | %-27s | %-27s |\n", "Input name", "Output name");
 	printf_line(70);
-	for(i = 0; i < d->device.num_video_inputs; i++) {
+	for(i = 0; i < MIN(d->device.num_video_outputs, ARRAY_SIZE(d->outputs)); i++) {
 		printf("| %2d | %c | %-27s | %-27s |\n",
 			i + 1,
 			d->outputs[i].locked ? (d->outputs[i].locked_other ? 'L' : 'O') : ' ',