Enforce open device before config_set()/dev_acquisition_start()

[libsigrok.git] / hardware / asix-sigma / asix-sigma.c

diff --git a/hardware/asix-sigma/asix-sigma.c b/hardware/asix-sigma/asix-sigma.c
index 64ea17d028abcb93b5deaccebc17779ab054d3a5..cfd95a1115e924ba431d61f275e24ec6118ba0e2 100644 (file)
--- a/hardware/asix-sigma/asix-sigma.c
+++ b/hardware/asix-sigma/asix-sigma.c
@@ -789,6 +789,9 @@ static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi)
        struct dev_context *devc;
        int ret;
 
+       if (sdi->status != SR_ST_ACTIVE)
+               return SR_ERR_DEV_CLOSED;
+
        devc = sdi->priv;
 
        if (id == SR_CONF_SAMPLERATE) {
@@ -1271,6 +1274,9 @@ static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
        struct triggerinout triggerinout_conf;
        struct triggerlut lut;
 
+       if (sdi->status != SR_ST_ACTIVE)
+               return SR_ERR_DEV_CLOSED;
+
        devc = sdi->priv;
 
        if (configure_probes(sdi) != SR_OK) {