Variables 'sp' and 'did_discard' are being assigned,
but are never used, hence they are redundant and can be removed.
fix following warning:
net/rxrpc/call_event.c:165:25: warning: variable 'sp' set but not used [-Wunused-but-set-variable]
net/rxrpc/conn_client.c:1054:7: warning: variable 'did_discard' set but not used [-Wunused-but-set-variable]
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: David Howells <dhowells@redhat.com>
  */
 static void rxrpc_resend(struct rxrpc_call *call, unsigned long now_j)
 {
-       struct rxrpc_skb_priv *sp;
        struct sk_buff *skb;
        unsigned long resend_at;
        rxrpc_seq_t cursor, seq, top;
 
                skb = call->rxtx_buffer[ix];
                rxrpc_see_skb(skb, rxrpc_skb_tx_seen);
-               sp = rxrpc_skb(skb);
 
                if (anno_type == RXRPC_TX_ANNO_UNACK) {
                        if (ktime_after(skb->tstamp, max_age)) {
 
                container_of(work, struct rxrpc_net, client_conn_reaper);
        unsigned long expiry, conn_expires_at, now;
        unsigned int nr_conns;
-       bool did_discard = false;
 
        _enter("");
 
         * If someone re-sets the flag and re-gets the ref, that's fine.
         */
        rxrpc_put_connection(conn);
-       did_discard = true;
        nr_conns--;
        goto next;