struct dev_context *devc;
int ret;
+ if (sdi->status != SR_ST_ACTIVE)
+ return SR_ERR;
+
devc = sdi->priv;
if (id == SR_CONF_SAMPLERATE) {
unsigned char *buf;
size_t size;
+ if (sdi->status != SR_ST_ACTIVE)
+ return SR_ERR_DEV_CLOSED;
+
drvc = di->priv;
devc = sdi->priv;
usb = sdi->conn;