staging: rtl8192e: Remove constant variable fltr_src_sta_frame

Remove variable fltr_src_sta_frame as it is set to 0 and unchanged. The
equation results accordingly. Remove dead code.
Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/1a37a8be464bb25531657aa7c868201676d7abb6.1696360404.git.philipp.g.hortmann@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8192e/rtl8192e/rtl_core.c

@@ -741,8 +741,6 @@ static void _rtl92e_init_priv_variable(struct net_device *dev)
 	priv->rtllib->iw_mode = IW_MODE_INFRA;
 	priv->rtllib->net_promiscuous_md = false;
 	priv->rtllib->intel_promiscuous_md_info.promiscuous_on = false;
-	priv->rtllib->intel_promiscuous_md_info.fltr_src_sta_frame =
-								 false;
 	priv->rtllib->ieee_up = 0;
 	priv->retry_rts = DEFAULT_RETRY_RTS;
 	priv->retry_data = DEFAULT_RETRY_DATA;

drivers/staging/rtl8192e/rtllib.h

@@ -1177,7 +1177,6 @@ struct rt_pmkid_list {
 
 struct rt_intel_promisc_mode {
 	bool promiscuous_on;
-	bool fltr_src_sta_frame;
 };
 
 /*************** DRIVER STATUS   *****/

drivers/staging/rtl8192e/rtllib_rx.c

@@ -956,16 +956,6 @@ static int rtllib_rx_data_filter(struct rtllib_device *ieee, struct ieee80211_hd
 		return -1;
 	}
 
-	/* Filter packets sent by an STA that will be forwarded by AP */
-	if (ieee->intel_promiscuous_md_info.promiscuous_on  &&
-		ieee->intel_promiscuous_md_info.fltr_src_sta_frame) {
-		if ((fc & IEEE80211_FCTL_TODS) && !(fc & IEEE80211_FCTL_FROMDS) &&
-		    !ether_addr_equal(dst, ieee->current_network.bssid) &&
-		    ether_addr_equal(bssid, ieee->current_network.bssid)) {
-			return -1;
-		}
-	}
-
 	/* Nullfunc frames may have PS-bit set, so they must be passed to
 	 * hostap_handle_sta_rx() before being dropped here.
 	 */