mwl8k: fix inverted error test in mwl8k_bss_info_changed()

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/mwl8k.c

@@ -2617,7 +2617,7 @@ static void mwl8k_bss_info_changed(struct ieee80211_hw *hw,
 	priv->capture_beacon = false;
 
 	rc = mwl8k_fw_lock(hw);
-	if (!rc)
+	if (rc)
 		return;
 
 	if (info->assoc) {