+static int dev_close(struct sr_dev_inst *sdi);
+
+/* TODO: Use sr_dev_inst to store connection handle & use std_dev_clear(). */
+static int dev_clear(void)
+{
+ GSList *l;
+ struct sr_dev_inst *sdi;
+ struct drv_context *drvc;
+ struct dev_context *devc;
+ int ret = SR_OK;
+
+ if (!(drvc = di->priv))
+ return SR_OK;
+
+ /* Properly close and free all devices. */
+ for (l = drvc->instances; l; l = l->next) {
+ if (!(sdi = l->data)) {
+ /* Log error, but continue cleaning up the rest. */
+ sr_err("%s: sdi was NULL, continuing", __func__);
+ ret = SR_ERR_BUG;
+ continue;
+ }
+ if (!(devc = sdi->priv)) {
+ /* Log error, but continue cleaning up the rest. */
+ sr_err("%s: sdi->priv was NULL, continuing", __func__);
+ ret = SR_ERR_BUG;
+ continue;
+ }
+ dev_close(sdi);
+ sr_serial_dev_inst_free(devc->serial);
+ sr_dev_inst_free(sdi);
+ }
+ g_slist_free(drvc->instances);
+ drvc->instances = NULL;
+
+ return ret;
+}
+