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>

1 files changed, 5 insertions, 1 deletions

diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c
index 7f164e532211..bf1d0fd93bcc 100644
--- 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;
         }