wl12xx: minor fix in sched_scan_ssid_list

The user can pass broadcast SSID (ssid="") in the list of SSIDs for active scan.
In this case the loop was attempting to match SSIDs in the filter
list to this empty entry and marking them as HIDDEN (sending probe
request) by mistake

Signed-off-by: Eyal Shapira <eyal@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>

diff --git a/drivers/net/wireless/wl12xx/scan.c b/drivers/net/wireless/wl12xx/scan.c
index 330d6788a916d7b6689ebd96aa237b0a17c13bd7..8599dab1fe2a53e22c4ae60d7a7ed2afd1d176ff 100644 (file)
--- a/drivers/net/wireless/wl12xx/scan.c
+++ b/drivers/net/wireless/wl12xx/scan.c
@@ -572,6 +572,9 @@ wl12xx_scan_sched_scan_ssid_list(struct wl1271 *wl,
                         * so they're used in probe requests.
                         */
                        for (i = 0; i < req->n_ssids; i++) {
+                               if (!req->ssids[i].ssid_len)
+                                       continue;
+
                                for (j = 0; j < cmd->n_ssids; j++)
                                        if (!memcmp(req->ssids[i].ssid,
                                                   cmd->ssids[j].ssid,