From: Jes Sorensen <Jes.Sorensen@redhat.com>
Date: Mon, 10 Nov 2014 23:11:43 +0000 (-0500)
Subject: staging: rtl8723au: pxmitframe->frame_tag is never set to a value > 8
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=b81f3f26c523d5672f9d67ad8cc8f8f9bb0b72bb;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git

staging: rtl8723au: pxmitframe->frame_tag is never set to a value > 8

No point of masking out high bits since we never set the value to
anything exceeding bits 0-3.

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 5cbfab45c5ce..1f4ebb36f653 100644
--- a/drivers/staging/rtl8723au/core/rtw_xmit.c
+++ b/drivers/staging/rtl8723au/core/rtw_xmit.c
@@ -1291,7 +1291,7 @@ void rtw_count_tx_stats23a(struct rtw_adapter *padapter, struct xmit_frame *pxmi
 	struct xmit_priv	*pxmitpriv = &padapter->xmitpriv;
 	struct mlme_priv	*pmlmepriv = &padapter->mlmepriv;
 
-	if ((pxmitframe->frame_tag&0x0f) == DATA_FRAMETAG) {
+	if (pxmitframe->frame_tag == DATA_FRAMETAG) {
 		pxmitpriv->tx_bytes += sz;
 		pmlmepriv->LinkDetectInfo.NumTxOkInPeriod++;
 
diff --git a/drivers/staging/rtl8723au/hal/rtl8723au_xmit.c b/drivers/staging/rtl8723au/hal/rtl8723au_xmit.c
index cf31d29d478a..9cdd9e5d9f76 100644
--- a/drivers/staging/rtl8723au/hal/rtl8723au_xmit.c
+++ b/drivers/staging/rtl8723au/hal/rtl8723au_xmit.c
@@ -163,7 +163,7 @@ static s32 update_txdesc(struct xmit_frame *pxmitframe, u8 *pmem, s32 sz, u8 bag
 
 	memset(ptxdesc, 0, sizeof(struct tx_desc));
 
-	if ((pxmitframe->frame_tag&0x0f) == DATA_FRAMETAG) {
+	if (pxmitframe->frame_tag == DATA_FRAMETAG) {
 		/* offset 4 */
 		ptxdesc->txdw1 |= cpu_to_le32(pattrib->mac_id&0x1f);
 
@@ -215,7 +215,7 @@ static s32 update_txdesc(struct xmit_frame *pxmitframe, u8 *pmem, s32 sz, u8 bag
 
 			ptxdesc->txdw5 |= cpu_to_le32(MRateToHwRate23a(pmlmeext->tx_rate));
 		}
-	} else if ((pxmitframe->frame_tag&0x0f) == MGNT_FRAMETAG) {
+	} else if (pxmitframe->frame_tag == MGNT_FRAMETAG) {
 		/* offset 4 */
 		ptxdesc->txdw1 |= cpu_to_le32(pattrib->mac_id&0x1f);
 
@@ -240,10 +240,11 @@ static s32 update_txdesc(struct xmit_frame *pxmitframe, u8 *pmem, s32 sz, u8 bag
 		ptxdesc->txdw5 |= cpu_to_le32(0x00180000);/* retry limit = 6 */
 
 		ptxdesc->txdw5 |= cpu_to_le32(MRateToHwRate23a(pmlmeext->tx_rate));
-	} else if ((pxmitframe->frame_tag&0x0f) == TXAGG_FRAMETAG) {
+	} else if (pxmitframe->frame_tag == TXAGG_FRAMETAG) {
 		DBG_8723A("pxmitframe->frame_tag == TXAGG_FRAMETAG\n");
 	} else {
-		DBG_8723A("pxmitframe->frame_tag = %d\n", pxmitframe->frame_tag);
+		DBG_8723A("pxmitframe->frame_tag = %d\n",
+			  pxmitframe->frame_tag);
 
 		/* offset 4 */
 		ptxdesc->txdw1 |= cpu_to_le32((4)&0x1f);/* CAM_ID(MAC_ID) */
@@ -392,7 +393,7 @@ bool rtl8723au_xmitframe_complete(struct rtw_adapter *padapter,
 
 		pxmitbuf->priv_data = pxmitframe;
 
-		if ((pxmitframe->frame_tag&0x0f) == DATA_FRAMETAG) {
+		if (pxmitframe->frame_tag == DATA_FRAMETAG) {
 			if (pxmitframe->attrib.priority <= 15)/* TID0~15 */
 				res = rtw_xmitframe_coalesce23a(padapter, pxmitframe->pkt, pxmitframe);