atten-pps3xxx: Remove SERIAL_NONBLOCK.

[libsigrok.git] / src / scpi / scpi.c

diff --git a/src/scpi/scpi.c b/src/scpi/scpi.c
index 38e322f5ffb7190e9998d81fa69c7e0ef80f441c..fbb57472b3301bb4510a622e6295d04bc0438b58 100644 (file)
--- a/src/scpi/scpi.c
+++ b/src/scpi/scpi.c
@@ -157,7 +157,8 @@ SR_PRIV GSList *sr_scpi_scan(struct drv_context *drvc, GSList *options,
 
        if (!devices && resource) {
                sdi = sr_scpi_scan_resource(drvc, resource, serialcomm, probe_device);
-               devices = g_slist_append(NULL, sdi);
+               if (sdi)
+                       devices = g_slist_append(NULL, sdi);
        }
 
        /* Tack a copy of the newly found devices onto the driver list. */
@@ -404,6 +405,10 @@ SR_PRIV int sr_scpi_get_string(struct sr_scpi_dev_inst *scpi,
        if (response->len >= 1 && response->str[response->len - 1] == '\n')
                g_string_truncate(response, response->len - 1);
 
+       /* Get rid of trailing carriage return if present */
+       if (response->len >= 1 && response->str[response->len - 1] == '\r')
+               g_string_truncate(response, response->len - 1);
+
        *scpi_response = response->str;
        g_string_free(response, FALSE);