std_gvar_tuple_array(): Change to allow for more ARRAY_AND_SIZE usage.

[libsigrok.git] / src / hwdriver.c

diff --git a/src/hwdriver.c b/src/hwdriver.c
index 41f71abeef61b3018ab94c395383f98ad696acf3..cad75e13b0800246f35f9ecfcdebdb5f22c5bb0e 100644 (file)
--- a/src/hwdriver.c
+++ b/src/hwdriver.c
@@ -820,6 +820,10 @@ SR_API int sr_config_set(const struct sr_dev_inst *sdi,
 
        g_variant_unref(data);
 
+       if (ret == SR_ERR_CHANNEL_GROUP)
+               sr_err("%s: No channel group specified.",
+                       (sdi) ? sdi->driver->name : "unknown");
+
        return ret;
 }