staging: rtl8723au: Make rtw_xmitframe_coalesce23a() more readable

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/rtl8723au/core/rtw_xmit.c b/drivers/staging/rtl8723au/core/rtw_xmit.c
index 2fba6815455f48a70529d112f219b079afba626d..7ab436b0c88d9fe273ffa54456a03923c1997f6c 100644 (file)
--- a/drivers/staging/rtl8723au/core/rtw_xmit.c
+++ b/drivers/staging/rtl8723au/core/rtw_xmit.c
@@ -1112,9 +1112,9 @@ s32 rtw_xmitframe_coalesce23a(struct rtw_adapter *padapter, struct sk_buff *pkt,
                              struct xmit_frame *pxmitframe)
 {
        struct pkt_file pktfile;
-       struct sta_info         *psta;
-       struct xmit_priv        *pxmitpriv = &padapter->xmitpriv;
-       struct pkt_attrib       *pattrib = &pxmitframe->attrib;
+       struct sta_info *psta;
+       struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
+       struct pkt_attrib *pattrib = &pxmitframe->attrib;
        s32 frg_inx, frg_len, mpdu_len, llc_sz, mem_sz;
        u8 *pframe, *mem_start;
        u8 hw_hdr_offset;
@@ -1123,24 +1123,25 @@ s32 rtw_xmitframe_coalesce23a(struct rtw_adapter *padapter, struct sk_buff *pkt,
        s32 bmcst = is_multicast_ether_addr(pattrib->ra);
        s32 res = _SUCCESS;
 
-       if (pattrib->psta) {
+       if (pattrib->psta)
                psta = pattrib->psta;
-       } else {
+       else {
                DBG_8723A("%s, call rtw_get_stainfo23a()\n", __func__);
                psta = rtw_get_stainfo23a(&padapter->stapriv, pattrib->ra);
        }
 
-       if (psta == NULL) {
+       if (!psta) {
                DBG_8723A("%s, psta == NUL\n", __func__);
                return _FAIL;
        }
 
        if (!(psta->state &_FW_LINKED)) {
-               DBG_8723A("%s, psta->state(0x%x) != _FW_LINKED\n", __func__, psta->state);
+               DBG_8723A("%s, psta->state(0x%x) != _FW_LINKED\n",
+                         __func__, psta->state);
                return _FAIL;
        }
 
-       if (pxmitframe->buf_addr == NULL) {
+       if (!pxmitframe->buf_addr) {
                DBG_8723A("==> %s buf_addr == NULL\n", __func__);
                return _FAIL;
        }
@@ -1149,7 +1150,7 @@ s32 rtw_xmitframe_coalesce23a(struct rtw_adapter *padapter, struct sk_buff *pkt,
 
        hw_hdr_offset = TXDESC_OFFSET;
 
-       mem_start = pbuf_start +        hw_hdr_offset;
+       mem_start = pbuf_start + hw_hdr_offset;
 
        if (rtw_make_wlanhdr23a(padapter, mem_start, pattrib) == _FAIL) {
                RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
@@ -1179,23 +1180,30 @@ s32 rtw_xmitframe_coalesce23a(struct rtw_adapter *padapter, struct sk_buff *pkt,
 
                /* adding icv, if necessary... */
                if (pattrib->iv_len) {
-                       if (psta != NULL) {
+                       if (psta) {
                                switch (pattrib->encrypt) {
                                case _WEP40_:
                                case _WEP104_:
-                                       WEP_IV(pattrib->iv, psta->dot11txpn, pattrib->key_idx);
+                                       WEP_IV(pattrib->iv, psta->dot11txpn,
+                                              pattrib->key_idx);
                                        break;
                                case _TKIP_:
                                        if (bmcst)
-                                               TKIP_IV(pattrib->iv, psta->dot11txpn, pattrib->key_idx);
+                                               TKIP_IV(pattrib->iv,
+                                                       psta->dot11txpn,
+                                                       pattrib->key_idx);
                                        else
-                                               TKIP_IV(pattrib->iv, psta->dot11txpn, 0);
+                                               TKIP_IV(pattrib->iv,
+                                                       psta->dot11txpn, 0);
                                        break;
                                case _AES_:
                                        if (bmcst)
-                                               AES_IV(pattrib->iv, psta->dot11txpn, pattrib->key_idx);
+                                               AES_IV(pattrib->iv,
+                                                      psta->dot11txpn,
+                                                      pattrib->key_idx);
                                        else
-                                               AES_IV(pattrib->iv, psta->dot11txpn, 0);
+                                               AES_IV(pattrib->iv,
+                                                      psta->dot11txpn, 0);
                                        break;
                                }
                        }
@@ -1217,14 +1225,16 @@ s32 rtw_xmitframe_coalesce23a(struct rtw_adapter *padapter, struct sk_buff *pkt,
                        mpdu_len -= llc_sz;
                }
 
-               if ((pattrib->icv_len >0) && (pattrib->bswenc))
+               if (pattrib->icv_len > 0 && pattrib->bswenc)
                        mpdu_len -= pattrib->icv_len;
 
                if (bmcst) {
                        /*  don't do fragment to broadcat/multicast packets */
-                       mem_sz = _rtw_pktfile_read23a(&pktfile, pframe, pattrib->pktlen);
+                       mem_sz = _rtw_pktfile_read23a(&pktfile, pframe,
+                                                     pattrib->pktlen);
                } else {
-                       mem_sz = _rtw_pktfile_read23a(&pktfile, pframe, mpdu_len);
+                       mem_sz = _rtw_pktfile_read23a(&pktfile, pframe,
+                                                     mpdu_len);
                }
                pframe += mem_sz;
 
@@ -1235,7 +1245,7 @@ s32 rtw_xmitframe_coalesce23a(struct rtw_adapter *padapter, struct sk_buff *pkt,
 
                frg_inx++;
 
-               if (bmcst || (rtw_endofpktfile23a(&pktfile))) {
+               if (bmcst || rtw_endofpktfile23a(&pktfile)) {
                        pattrib->nr_frags = frg_inx;
 
                        pattrib->last_txcmdsz = pattrib->hdrlen +
@@ -1249,16 +1259,18 @@ s32 rtw_xmitframe_coalesce23a(struct rtw_adapter *padapter, struct sk_buff *pkt,
 
                        break;
                } else {
-                       RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("%s: There're still something in packet!\n", __func__));
+                       RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
+                                ("%s: There're still something in packet!\n",
+                                 __func__));
                }
 
                mem_start = PTR_ALIGN(pframe, 4) + hw_hdr_offset;
                memcpy(mem_start, pbuf_start + hw_hdr_offset, pattrib->hdrlen);
-
        }
 
        if (xmitframe_addmic(padapter, pxmitframe) == _FAIL) {
-               RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("xmitframe_addmic(padapter, pxmitframe) == _FAIL\n"));
+               RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
+                        ("xmitframe_addmic(padapter, pxmitframe) == _FAIL\n"));
                DBG_8723A("xmitframe_addmic(padapter, pxmitframe) == _FAIL\n");
                res = _FAIL;
                goto exit;