[Qemu-devel] [PATCH 3/9] virtio: Teach virtio-blk about DO_UPCAST

[Juan Quintela]

Signed-off-by: Juan Quintela <quint...@redhat.com>
---
 hw/virtio-blk.c |   11 +++--------
 1 files changed, 3 insertions(+), 8 deletions(-)

diff --git a/hw/virtio-blk.c b/hw/virtio-blk.c
index 8939bb2..ce8b604 100644
--- a/hw/virtio-blk.c
+++ b/hw/virtio-blk.c
@@ -29,11 +29,6 @@ typedef struct VirtIOBlock
     BlockConf *conf;
 } VirtIOBlock;

-static VirtIOBlock *to_virtio_blk(VirtIODevice *vdev)
-{
-    return (VirtIOBlock *)vdev;
-}
-
 typedef struct VirtIOBlockReq
 {
     VirtIOBlock *dev;
@@ -320,7 +315,7 @@ static void virtio_blk_handle_request(VirtIOBlockReq *req,

 static void virtio_blk_handle_output(VirtIODevice *vdev, VirtQueue *vq)
 {
-    VirtIOBlock *s = to_virtio_blk(vdev);
+    VirtIOBlock *s = DO_UPCAST(VirtIOBlock, vdev, vdev);
     VirtIOBlockReq *req;
     MultiReqBuffer mrb = {
         .num_writes = 0,
@@ -392,7 +387,7 @@ static void virtio_blk_reset(VirtIODevice *vdev)
  */
 static void virtio_blk_update_config(VirtIODevice *vdev, uint8_t *config)
 {
-    VirtIOBlock *s = to_virtio_blk(vdev);
+    VirtIOBlock *s = DO_UPCAST(VirtIOBlock, vdev, vdev);
     struct virtio_blk_config blkcfg;
     uint64_t capacity;
     int cylinders, heads, secs;
@@ -415,7 +410,7 @@ static void virtio_blk_update_config(VirtIODevice *vdev, 
uint8_t *config)

 static uint32_t virtio_blk_get_features(VirtIODevice *vdev, uint32_t features)
 {
-    VirtIOBlock *s = to_virtio_blk(vdev);
+    VirtIOBlock *s = DO_UPCAST(VirtIOBlock, vdev, vdev);

     features |= (1 << VIRTIO_BLK_F_SEG_MAX);
     features |= (1 << VIRTIO_BLK_F_GEOMETRY);
-- 
1.6.6.1