remove extra parentheses in return statement

[dpdk.git] / drivers / net / xenvirt / virtqueue.h

diff --git a/drivers/net/xenvirt/virtqueue.h b/drivers/net/xenvirt/virtqueue.h
index eff6208..1d1bbcc 100644 (file)
--- a/drivers/net/xenvirt/virtqueue.h
+++ b/drivers/net/xenvirt/virtqueue.h
@@ -55,7 +55,7 @@ struct rte_mbuf;
  * rather than gpa<->hva in virito spec.
  */
 #define RTE_MBUF_DATA_DMA_ADDR(mb) \
-       rte_pktmbuf_mtod(mb, uint64_t)
+       ((uint64_t)(uintptr_t)rte_pktmbuf_mtod(mb, void *))
 
 enum { VTNET_RQ = 0, VTNET_TQ = 1, VTNET_CQ = 2 };
 
@@ -133,7 +133,7 @@ struct rte_mbuf * virtqueue_detatch_unused(struct virtqueue *vq);
 static inline int __attribute__((always_inline))
 virtqueue_full(const struct virtqueue *vq)
 {
-       return (vq->vq_free_cnt == 0);
+       return vq->vq_free_cnt == 0;
 }
 
 #define VIRTQUEUE_NUSED(vq) ((uint16_t)((vq)->vq_ring.used->idx - (vq)->vq_used_cons_idx))
@@ -151,7 +151,7 @@ vq_ring_update_avail(struct virtqueue *vq, uint16_t desc_idx)
         */
        avail_idx = (uint16_t)(vq->vq_ring.avail->idx & (vq->vq_nentries - 1));
        vq->vq_ring.avail->ring[avail_idx] = desc_idx;
-       rte_compiler_barrier();  /* wmb , for IA memory model barrier is enough*/
+       rte_smp_wmb();
        vq->vq_ring.avail->idx++;
 }
 
@@ -198,7 +198,7 @@ virtqueue_enqueue_recv_refill(struct virtqueue *rxvq, struct rte_mbuf *cookie)
        dxp->ndescs = needed;
 
        start_dp[head_idx].addr  =
-               (uint64_t) ((uint64_t)cookie->buf_addr + RTE_PKTMBUF_HEADROOM - sizeof(struct virtio_net_hdr));
+               (uint64_t) ((uintptr_t)cookie->buf_addr + RTE_PKTMBUF_HEADROOM - sizeof(struct virtio_net_hdr));
        start_dp[head_idx].len   = cookie->buf_len - RTE_PKTMBUF_HEADROOM + sizeof(struct virtio_net_hdr);
        start_dp[head_idx].flags = VRING_DESC_F_WRITE;
        rxvq->vq_desc_head_idx   = start_dp[head_idx].next;