From 69a0f9745c963de5ea1e42cdb8370913248c4872 Mon Sep 17 00:00:00 2001 From: Jes Sorensen Date: Wed, 9 Apr 2014 23:21:11 +0200 Subject: [PATCH] staging: rtl8723au: Make rtw_xmitframe_coalesce23a() more readable Signed-off-by: Jes Sorensen Signed-off-by: Greg Kroah-Hartman --- drivers/staging/rtl8723au/core/rtw_xmit.c | 56 ++++++++++++++--------- 1 file changed, 34 insertions(+), 22 deletions(-) diff --git a/drivers/staging/rtl8723au/core/rtw_xmit.c b/drivers/staging/rtl8723au/core/rtw_xmit.c index 2fba6815455f..7ab436b0c88d 100644 --- 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; -- 2.30.2