[AF_PACKET]: Remove unused variable.

Signed-off-by: Jiri Olsa <olsajiri@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/packet/af_packet.c

@@ -1658,7 +1658,7 @@ static int packet_set_ring(struct sock *sk, struct tpacket_req *req, int closing
 	int err = 0;
 
 	if (req->tp_block_nr) {
-		int i, l;
+		int i;
 
 		/* Sanity tests and some calculations */
 
@@ -1687,7 +1687,6 @@ static int packet_set_ring(struct sock *sk, struct tpacket_req *req, int closing
 		if (unlikely(!pg_vec))
 			goto out;
 
-		l = 0;
 		for (i = 0; i < req->tp_block_nr; i++) {
 			char *ptr = pg_vec[i];
 			struct tpacket_hdr *header;