IB/rxe: clean skb queue directly

When resp is in error state, the queued SKBs will not be handled.
The function get_req cleans up the skb queue directly.

CC: Srinivas Eeda <srinivas.eeda@oracle.com>
CC: Junxiao Bi <junxiao.bi@oracle.com>
Signed-off-by: NZhu Yanjun <yanjun.zhu@oracle.com>
Signed-off-by: NDoug Ledford <dledford@redhat.com>

drivers/infiniband/sw/rxe/rxe_resp.c

@@ -124,12 +124,9 @@ static inline enum resp_states get_req(struct rxe_qp *qp,
 	struct sk_buff *skb;
 
 	if (qp->resp.state == QP_STATE_ERROR) {
-		skb = skb_dequeue(&qp->req_pkts);
-		if (skb) {
-			/* drain request packet queue */
+		while ((skb = skb_dequeue(&qp->req_pkts))) {
 			rxe_drop_ref(qp);
 			kfree_skb(skb);
-			return RESPST_GET_REQ;
 		}
 
 		/* go drain recv wr queue */