X-Git-Url: http://sigrok.org/gitweb/?a=blobdiff_plain;f=hardware%2Fagilent-dmm%2Fapi.c;h=2bbd1e6478505272727a806595f514f36a27983e;hb=af51a7718eb22e9630107af814db6ae9f179a969;hp=3f54481c5e44a58df5f24b4948cb06dbca03eb49;hpb=fb3a15059938770a064fb7d35a813cfa20d8e363;p=libsigrok.git

diff --git a/hardware/agilent-dmm/api.c b/hardware/agilent-dmm/api.c
index 3f54481c..2bbd1e64 100644
--- a/hardware/agilent-dmm/api.c
+++ b/hardware/agilent-dmm/api.c
@@ -1,5 +1,5 @@
 /*
- * This file is part of the sigrok project.
+ * This file is part of the libsigrok project.
  *
  * Copyright (C) 2012 Bert Vermeulen <bert@biot.com>
  *
@@ -231,7 +231,7 @@ static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi)
 	struct dev_context *devc;
 
 	if (sdi->status != SR_ST_ACTIVE)
-		return SR_ERR;
+		return SR_ERR_DEV_CLOSED;
 
 	if (!(devc = sdi->priv)) {
 		sr_err("sdi->priv was NULL.");
@@ -287,6 +287,9 @@ static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data
 	struct dev_context *devc;
 	struct sr_serial_dev_inst *serial;
 
+	if (sdi->status != SR_ST_ACTIVE)
+		return SR_ERR_DEV_CLOSED;
+
 	if (!(devc = sdi->priv)) {
 		sr_err("sdi->priv was NULL.");
 		return SR_ERR_BUG;