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authorGonglei <arei.gonglei@huawei.com>2016-11-22 06:51:50 +0100
committerMichael S. Tsirkin <mst@redhat.com>2016-12-15 05:39:47 +0100
commitc60923cb9cb5e042790839d553ed77e68ef45adf (patch)
tree0f22f5d2b7cb69bf083feb1a96950b29bd84eda3 /drivers/virtio
parentvirtio_pci_modern: fix complaint by sparse (diff)
downloadlinux-c60923cb9cb5e042790839d553ed77e68ef45adf.tar.xz
linux-c60923cb9cb5e042790839d553ed77e68ef45adf.zip
virtio_ring: fix complaint by sparse
# make C=2 CF="-D__CHECK_ENDIAN__" ./drivers/virtio/ drivers/virtio/virtio_ring.c:423:19: warning: incorrect type in assignment (different base types) drivers/virtio/virtio_ring.c:423:19: expected unsigned int [unsigned] [assigned] i drivers/virtio/virtio_ring.c:423:19: got restricted __virtio16 [usertype] next drivers/virtio/virtio_ring.c:423:19: warning: incorrect type in assignment (different base types) drivers/virtio/virtio_ring.c:423:19: expected unsigned int [unsigned] [assigned] i drivers/virtio/virtio_ring.c:423:19: got restricted __virtio16 [usertype] next drivers/virtio/virtio_ring.c:423:19: warning: incorrect type in assignment (different base types) drivers/virtio/virtio_ring.c:423:19: expected unsigned int [unsigned] [assigned] i drivers/virtio/virtio_ring.c:423:19: got restricted __virtio16 [usertype] next drivers/virtio/virtio_ring.c:604:39: warning: incorrect type in initializer (different base types) drivers/virtio/virtio_ring.c:604:39: expected unsigned short [unsigned] [usertype] nextflag drivers/virtio/virtio_ring.c:604:39: got restricted __virtio16 drivers/virtio/virtio_ring.c:612:33: warning: restricted __virtio16 degrades to integer Signed-off-by: Gonglei <arei.gonglei@huawei.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'drivers/virtio')
-rw-r--r--drivers/virtio/virtio_ring.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c
index 489bfc61cf30..d2863c321e93 100644
--- a/drivers/virtio/virtio_ring.c
+++ b/drivers/virtio/virtio_ring.c
@@ -420,7 +420,7 @@ unmap_release:
if (i == err_idx)
break;
vring_unmap_one(vq, &desc[i]);
- i = vq->vring.desc[i].next;
+ i = virtio16_to_cpu(_vq->vdev, vq->vring.desc[i].next);
}
vq->vq.num_free += total_sg;
@@ -601,7 +601,7 @@ EXPORT_SYMBOL_GPL(virtqueue_kick);
static void detach_buf(struct vring_virtqueue *vq, unsigned int head)
{
unsigned int i, j;
- u16 nextflag = cpu_to_virtio16(vq->vq.vdev, VRING_DESC_F_NEXT);
+ __virtio16 nextflag = cpu_to_virtio16(vq->vq.vdev, VRING_DESC_F_NEXT);
/* Clear data ptr. */
vq->desc_state[head].data = NULL;