staging: rtl8723au: Eliminate write-once variable xmit_priv->vcs_setting

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

drivers/staging/rtl8723au/core/rtw_xmit.c

@@ -1295,7 +1295,7 @@ void rtw_update_protection23a(struct rtw_adapter *padapter, u8 *ie, uint ie_len)
 	uint protection;
 	const u8 *p;
 
-	switch (pxmitpriv->vcs_setting) {
+	switch (pregistrypriv->vrtl_carrier_sense) {
 	case DISABLE_VCS:
 		pxmitpriv->vcs = NONE_VCS;
 		break;

drivers/staging/rtl8723au/include/rtw_xmit.h

@@ -295,7 +295,6 @@ struct	xmit_priv {
 
 	struct rtw_adapter	*adapter;
 
-	u8   vcs_setting;
 	u8	vcs;
 
 	u64	tx_bytes;

drivers/staging/rtl8723au/os_dep/os_intfs.c

@@ -387,7 +387,6 @@ static int rtw_init_default_value(struct rtw_adapter *padapter)
 	int ret = _SUCCESS;
 
 	/* xmit_priv */
-	pxmitpriv->vcs_setting = pregistrypriv->vrtl_carrier_sense;
 	pxmitpriv->vcs = pregistrypriv->vcs_type;
 	/* pxmitpriv->rts_thresh = pregistrypriv->rts_thresh; */
 	pxmitpriv->frag_len = pregistrypriv->frag_thresh;