virtio: build warning fixes

Fix a couple of build warnings.
 
 Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost

Pull virtio fixes from Michael Tsirkin:
 "Fix a couple of build warnings"

* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
  vhost: missing __user tags
  vdpasim: remove unused variable 'ret'
This commit is contained in:
Linus Torvalds 2020-05-21 12:59:29 -07:00
commit d2f8825ab7
2 changed files with 9 additions and 10 deletions

View File

@ -89,15 +89,14 @@ static struct vdpasim *dev_to_sim(struct device *dev)
static void vdpasim_queue_ready(struct vdpasim *vdpasim, unsigned int idx)
{
struct vdpasim_virtqueue *vq = &vdpasim->vqs[idx];
int ret;
ret = vringh_init_iotlb(&vq->vring, vdpasim_features,
VDPASIM_QUEUE_MAX, false,
(struct vring_desc *)(uintptr_t)vq->desc_addr,
(struct vring_avail *)
(uintptr_t)vq->driver_addr,
(struct vring_used *)
(uintptr_t)vq->device_addr);
vringh_init_iotlb(&vq->vring, vdpasim_features,
VDPASIM_QUEUE_MAX, false,
(struct vring_desc *)(uintptr_t)vq->desc_addr,
(struct vring_avail *)
(uintptr_t)vq->driver_addr,
(struct vring_used *)
(uintptr_t)vq->device_addr);
}
static void vdpasim_vq_reset(struct vdpasim_virtqueue *vq)

View File

@ -730,7 +730,7 @@ static inline void __user *vhost_vq_meta_fetch(struct vhost_virtqueue *vq,
if (!map)
return NULL;
return (void *)(uintptr_t)(map->addr + addr - map->start);
return (void __user *)(uintptr_t)(map->addr + addr - map->start);
}
/* Can we switch to this memory table? */
@ -869,7 +869,7 @@ static void __user *__vhost_get_user_slow(struct vhost_virtqueue *vq,
* not happen in this case.
*/
static inline void __user *__vhost_get_user(struct vhost_virtqueue *vq,
void *addr, unsigned int size,
void __user *addr, unsigned int size,
int type)
{
void __user *uaddr = vhost_vq_meta_fetch(vq,