set_wep_key(local, index, NULL, 0, perm, 1);
                } else
                        /* Don't complain if only change the mode */
-                       if(!dwrq->flags & IW_ENCODE_MODE) {
+                       if(!(dwrq->flags & IW_ENCODE_MODE)) {
                                return -EINVAL;
                        }
        }
 
                        priv->default_key = index;
                } else
                        /* Don't complain if only change the mode */
-                       if (!dwrq->flags & IW_ENCODE_MODE) {
+                       if (!(dwrq->flags & IW_ENCODE_MODE)) {
                                return -EINVAL;
                        }
        }
 
                index = adapter->wep_tx_keyidx;
        }
 
-       if (!ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY &&
+       if (!(ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) &&
            ext->alg != IW_ENCODE_ALG_WEP) {
                if (index != 0 || adapter->mode != IW_MODE_INFRA)
                        goto out;
 
                        if ((entry_hdr->magic1 & cpu_to_le16(0x4000)) != 0)
                                pad = entry_data->align[0];
 
-                       if (!status.control.flags & IEEE80211_TXCTL_NO_ACK) {
+                       if (!(status.control.flags & IEEE80211_TXCTL_NO_ACK)) {
                                if (!(payload->status & 0x01))
                                        status.flags |= IEEE80211_TX_STATUS_ACK;
                                else
 
                            mgt_set_request(priv, DOT11_OID_DEFKEYID, 0,
                                            &index);
                } else {
-                       if (!dwrq->flags & IW_ENCODE_MODE) {
+                       if (!(dwrq->flags & IW_ENCODE_MODE)) {
                                /* we cannot do anything. Complain. */
                                return -EINVAL;
                        }
                            mgt_set_request(priv, DOT11_OID_DEFKEYID, 0,
                                            &index);
                } else {
-                       if (!param->u.crypt.flags & IW_ENCODE_MODE) {
+                       if (!(param->u.crypt.flags & IW_ENCODE_MODE)) {
                                /* we cannot do anything. Complain. */
                                return -EINVAL;
                        }
 
                if (r)
                        return r;
 
-               if (!intr_status & 0xf) {
+               if (!(intr_status & 0xf)) {
                        dev_dbg_f(zd_chip_dev(chip),
                                "PLL locked on configuration %d\n", i);
                        found_config = i;
 
        } else
                idx = ieee->tx_keyidx;
 
-       if (!ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY &&
+       if (!(ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) &&
            ext->alg != IW_ENCODE_ALG_WEP)
                if (idx != 0 || ieee->iw_mode != IW_MODE_INFRA)
                        return -EINVAL;