af_packet: struct socket declared/assigned but unused

Signed-off-by: NHagen Paul Pfeifer <hagen@jauu.net>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

net/packet/af_packet.c

@@ -966,7 +966,6 @@ static int tpacket_fill_skb(struct packet_sock *po, struct sk_buff *skb,
 
 static int tpacket_snd(struct packet_sock *po, struct msghdr *msg)
 {
-	struct socket *sock;
 	struct sk_buff *skb;
 	struct net_device *dev;
 	__be16 proto;
@@ -978,8 +977,6 @@ static int tpacket_snd(struct packet_sock *po, struct msghdr *msg)
 	int len_sum = 0;
 	int status = 0;
 
-	sock = po->sk.sk_socket;
-
 	mutex_lock(&po->pg_vec_lock);
 
 	err = -EBUSY;