if (alloc_sz > 0) {
                pxmitbuf->pallocated_buf = rtw_zmalloc(alloc_sz);
                if (pxmitbuf->pallocated_buf == NULL)
-               {
                        return _FAIL;
-               }
 
                pxmitbuf->pbuf = (u8 *)N_BYTE_ALIGMENT((SIZE_PTR)(pxmitbuf->pallocated_buf), XMITBUF_ALIGN_SZ);
        }
        queue = skb_get_queue_mapping(pkt);
        if (padapter->registrypriv.wifi_spec) {
                if (__netif_subqueue_stopped(padapter->pnetdev, queue) &&
-                       (pxmitpriv->hwxmits[queue].accnt < WMM_XMIT_THRESHOLD))
-               {
+                   (pxmitpriv->hwxmits[queue].accnt < WMM_XMIT_THRESHOLD))
                        netif_wake_subqueue(padapter->pnetdev, queue);
-               }
        } else {
                if (__netif_subqueue_stopped(padapter->pnetdev, queue))
                        netif_wake_subqueue(padapter->pnetdev, queue);
 
        for (i = 0; i < chk_alive_num; i++) {
                psta = rtw_get_stainfo_by_offset(pstapriv, chk_alive_list[i]);
-               if (!(psta->state & _FW_LINKED))
-               {
+               if (!(psta->state & _FW_LINKED)) {
                        DBG_COUNTER(padapter->tx_logs.os_tx_m2u_ignore_fw_linked);
                        continue;
                }
 
                /* avoid come from STA1 and send back STA1 */
-               if (!memcmp(psta->hwaddr, &skb->data[6], 6)
-                       || !memcmp(psta->hwaddr, null_addr, 6)
-                       || !memcmp(psta->hwaddr, bc_addr, 6)
-               )
-               {
+               if (!memcmp(psta->hwaddr, &skb->data[6], 6) ||
+                   !memcmp(psta->hwaddr, null_addr, 6) ||
+                   !memcmp(psta->hwaddr, bc_addr, 6)) {
                        DBG_COUNTER(padapter->tx_logs.os_tx_m2u_ignore_self);
                        continue;
                }
                        || is_broadcast_mac_addr(pkt->data)
                        #endif
                        )
-               && (padapter->registrypriv.wifi_spec == 0)
-               )
-       {
+               && padapter->registrypriv.wifi_spec == 0) {
                if (pxmitpriv->free_xmitframe_cnt > (NR_XMITFRAME/4)) {
                        res = rtw_mlcst2unicst(padapter, pkt);
-                       if (res == true) {
+                       if (res == true)
                                goto exit;
-                       }
                } else {
                        /* DBG_871X("Stop M2U(%d, %d)! ", pxmitpriv->free_xmitframe_cnt, pxmitpriv->free_xmitbuf_cnt); */
                        /* DBG_871X("!m2u); */