Staging: batman-adv: Always receive when discarding.

It does not matter if the interface is to be activated or not, we must
read the packet in order that it be discarded.
Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/batman-adv/routing.c

@@ -1177,8 +1177,7 @@ static int discard_one_packet(struct batman_if *batman_if,
 {
 	int result = -EAGAIN;
 
-	if ((batman_if->if_active == IF_TO_BE_ACTIVATED)
-		&& (batman_if->raw_sock)) {
+	if (batman_if->raw_sock) {
 			result = receive_raw_packet(batman_if->raw_sock,
 						    packet_buff,
 						    PACKBUFF_SIZE);