X-Git-Url: http://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fscpi%2Fscpi.c;h=fc7e9939c0e72ae5dfe173b25147ead17ffe5143;hb=0a1f7b09b3fa4cc4da29c7acf53717e14b004b63;hp=9b5b1ea91685716d0b5e2f1bd6cc180ad7d1a96a;hpb=6ec6c43b4738dbc7091f4a49a4ec80ea6102cb52;p=libsigrok.git

diff --git a/src/scpi/scpi.c b/src/scpi/scpi.c
index 9b5b1ea9..fc7e9939 100644
--- a/src/scpi/scpi.c
+++ b/src/scpi/scpi.c
@@ -110,12 +110,16 @@ static struct sr_dev_inst *sr_scpi_scan_resource(struct drv_context *drvc,
 		return NULL;
 	};
 
-	if ((sdi = probe_device(scpi)))
-		return sdi;
+	sdi = probe_device(scpi);
 
 	sr_scpi_close(scpi);
-	sr_scpi_free(scpi);
-	return NULL;
+
+	if (sdi)
+		sdi->status = SR_ST_INACTIVE;
+	else
+		sr_scpi_free(scpi);
+
+	return sdi;
 }
 
 SR_PRIV GSList *sr_scpi_scan(struct drv_context *drvc, GSList *options,
@@ -210,7 +214,7 @@ SR_PRIV struct sr_scpi_dev_inst *scpi_dev_inst_new(struct drv_context *drvc,
  */
 SR_PRIV int sr_scpi_open(struct sr_scpi_dev_inst *scpi)
 {
-	return scpi->open(scpi->priv);
+	return scpi->open(scpi);
 }
 
 /**
@@ -352,7 +356,7 @@ SR_PRIV int sr_scpi_read_complete(struct sr_scpi_dev_inst *scpi)
  */
 SR_PRIV int sr_scpi_close(struct sr_scpi_dev_inst *scpi)
 {
-	return scpi->close(scpi->priv);
+	return scpi->close(scpi);
 }
 
 /**
@@ -575,7 +579,7 @@ SR_PRIV int sr_scpi_get_opc(struct sr_scpi_dev_inst *scpi)
 	unsigned int i;
 	gboolean opc;
 
-	for (i = 0; i < SCPI_READ_RETRIES; ++i) {
+	for (i = 0; i < SCPI_READ_RETRIES; i++) {
 		sr_scpi_get_bool(scpi, SCPI_CMD_OPC, &opc);
 		if (opc)
 			return SR_OK;
@@ -607,7 +611,6 @@ SR_PRIV int sr_scpi_get_floatv(struct sr_scpi_dev_inst *scpi,
 	gchar **ptr, **tokens;
 	GArray *response_array;
 
-	ret = SR_OK;
 	response = NULL;
 	tokens = NULL;
 
@@ -664,7 +667,6 @@ SR_PRIV int sr_scpi_get_uint8v(struct sr_scpi_dev_inst *scpi,
 	gchar **ptr, **tokens;
 	GArray *response_array;
 
-	ret = SR_OK;
 	response = NULL;
 	tokens = NULL;