X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=hardware%2Fzeroplus-logic-cube%2Fzeroplus.c;h=f5b2d9e4443268956df325ccec771397dd993957;hb=697785d1aedc0bf385ea21074d83d61b11d8ce29;hp=9b867dca43e134da40f30a3d989caad7ddaef0d9;hpb=1352eeddd4d164b58f2233ae109432b73faab539;p=libsigrok.git

diff --git a/hardware/zeroplus-logic-cube/zeroplus.c b/hardware/zeroplus-logic-cube/zeroplus.c
index 9b867dca..f5b2d9e4 100644
--- a/hardware/zeroplus-logic-cube/zeroplus.c
+++ b/hardware/zeroplus-logic-cube/zeroplus.c
@@ -370,12 +370,19 @@ static int hw_opendev(int device_index)
 	return SR_OK;
 }
 
-static void hw_closedev(int device_index)
+static int hw_closedev(int device_index)
 {
 	struct sr_device_instance *sdi;
 
-	if ((sdi = sr_get_device_instance(device_instances, device_index)))
-		close_device(sdi);
+	if (!(sdi = sr_get_device_instance(device_instances, device_index))) {
+		sr_err("lap-c: %s: sdi was NULL", __func__);
+		return SR_ERR; /* TODO: SR_ERR_ARG? */
+	}
+
+	/* TODO */
+	close_device(sdi);
+
+	return SR_OK;
 }
 
 static void hw_cleanup(void)