wl1271: check result code from the join command

We were not checking the return value from the call to wl1271_cmd_join().
Added a check to make things more reliable.

Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Reviewed-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c
index 7f164e53221133670c2e1295861434cbb2731480..bf1d0fd93bcc8ead14a1e5c0c6fdf31912771ba1 100644 (file)
--- a/drivers/net/wireless/wl12xx/wl1271_main.c
+++ b/drivers/net/wireless/wl12xx/wl1271_main.c
@@ -1545,7 +1545,11 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw,
            memcmp(wl->bssid, bss_conf->bssid, ETH_ALEN)) {
                        wl->rx_config |= CFG_BSSID_FILTER_EN;
                        memcpy(wl->bssid, bss_conf->bssid, ETH_ALEN);
-                       wl1271_cmd_join(wl);
+                       ret = wl1271_cmd_join(wl);
+                       if (ret < 0) {
+                               wl1271_warning("cmd join failed %d", ret);
+                               goto out_sleep;
+                       }
                        wl->joined = true;
        }