+static void airo_process_scan_results (struct airo_info *ai) {
+ union iwreq_data wrqu;
+ BSSListRid bss;
+ int rc;
+ BSSListElement * loop_net;
+ BSSListElement * tmp_net;
+
+ /* Blow away current list of scan results */
+ list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) {
+ list_move_tail (&loop_net->list, &ai->network_free_list);
+ /* Don't blow away ->list, just BSS data */
+ memset (loop_net, 0, sizeof (loop_net->bss));
+ }
+
+ /* Try to read the first entry of the scan result */
+ rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0);
+ if((rc) || (bss.index == 0xffff)) {
+ /* No scan results */
+ goto out;
+ }
+
+ /* Read and parse all entries */
+ tmp_net = NULL;
+ while((!rc) && (bss.index != 0xffff)) {
+ /* Grab a network off the free list */
+ if (!list_empty(&ai->network_free_list)) {
+ tmp_net = list_entry(ai->network_free_list.next,
+ BSSListElement, list);
+ list_del(ai->network_free_list.next);
+ }
+
+ if (tmp_net != NULL) {
+ memcpy(tmp_net, &bss, sizeof(tmp_net->bss));
+ list_add_tail(&tmp_net->list, &ai->network_list);
+ tmp_net = NULL;
+ }
+
+ /* Read next entry */
+ rc = PC4500_readrid(ai, ai->bssListNext,
+ &bss, ai->bssListRidLen, 0);
+ }
+
+out:
+ ai->scan_timeout = 0;
+ clear_bit(JOB_SCAN_RESULTS, &ai->jobs);
+ up(&ai->sem);
+
+ /* Send an empty event to user space.
+ * We don't send the received data on
+ * the event because it would require
+ * us to do complex transcoding, and
+ * we want to minimise the work done in
+ * the irq handler. Use a request to
+ * extract the data - Jean II */
+ wrqu.data.length = 0;
+ wrqu.data.flags = 0;
+ wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL);
+}
+