X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=std.c;h=d1ff84e037c29cdb70044ac68d36c33be1ee7328;hb=719eff68ad03b4acaea87e227eda361ef2e299be;hp=46ab5ad95dc30c343dd0fe858b3552cbd919127f;hpb=f6beaac55ca58c406d6621038abe57c16a47e87f;p=libsigrok.git

diff --git a/std.c b/std.c
index 46ab5ad9..d1ff84e0 100644
--- a/std.c
+++ b/std.c
@@ -101,6 +101,8 @@ SR_PRIV int std_session_send_df_header(const struct sr_dev_inst *sdi,
 	return SR_OK;
 }
 
+#ifdef HAVE_LIBSERIALPORT
+
 /*
  * Standard sr_session_stop() API helper.
  *
@@ -117,8 +119,10 @@ SR_PRIV int std_session_send_df_header(const struct sr_dev_inst *sdi,
  * @param prefix A driver-specific prefix string used for log messages.
  *               Must not be NULL. An empty string is allowed.
  *
- * @return SR_OK upon success, SR_ERR_ARG upon invalid arguments, or
- *         SR_ERR upon other errors.
+ * @retval SR_OK Success.
+ * @retval SR_ERR_ARG Invalid arguments.
+ * @retval SR_ERR_DEV_CLOSED Device is closed.
+ * @retval SR_ERR Other errors.
  */
 SR_PRIV int std_dev_acquisition_stop_serial(struct sr_dev_inst *sdi,
 			void *cb_data, dev_close_t dev_close_fn,
@@ -134,7 +138,7 @@ SR_PRIV int std_dev_acquisition_stop_serial(struct sr_dev_inst *sdi,
 
 	if (sdi->status != SR_ST_ACTIVE) {
 		sr_err("%sDevice inactive, can't stop acquisition.", prefix);
-		return SR_ERR;
+		return SR_ERR_DEV_CLOSED;
 	}
 
 	sr_dbg("%sStopping acquisition.", prefix);
@@ -161,6 +165,8 @@ SR_PRIV int std_dev_acquisition_stop_serial(struct sr_dev_inst *sdi,
 	return SR_OK;
 }
 
+#endif
+
 /*
  * Standard driver dev_clear() helper.
  *
@@ -201,12 +207,16 @@ SR_PRIV int std_dev_clear(const struct sr_dev_driver *driver,
 			driver->dev_close(sdi);
 
 		if (sdi->conn) {
-			 if (sdi->inst_type == SR_INST_SERIAL)
+#if HAVE_LIBSERIALPORT
+			if (sdi->inst_type == SR_INST_SERIAL)
 				sr_serial_dev_inst_free(sdi->conn);
+#endif
 #if HAVE_LIBUSB_1_0
-			else if (sdi->inst_type == SR_INST_USB)
+			if (sdi->inst_type == SR_INST_USB)
 				sr_usb_dev_inst_free(sdi->conn);
 #endif
+			if (sdi->inst_type == SR_INST_USBTMC)
+				sr_usbtmc_dev_inst_free(sdi->conn);
 		}
 		if (clear_private)
 			clear_private(sdi->priv);