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vhost: add missing __user annotations 

Several vhost functions were missing __user annotations
on pointers, causing sparse warnings. Fix this up.

sparse also warns about vhost_process_iotlb_msg which
is local and should be static. Fix that up as well.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Michael S. Tsirkin 2016-12-06 06:01:41 +02:00
parent 2f952c0105
commit 72952cc061
1 changed files with 5 additions and 5 deletions
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10
drivers/vhost/vhost.c
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@ -719,7 +719,7 @@ static int memory_access_ok(struct vhost_dev *d, struct vhost_umem *umem,
static int translate_desc(struct vhost_virtqueue *vq, u64 addr, u32 len,
struct iovec iov[], int iov_size, int access);
static int vhost_copy_to_user(struct vhost_virtqueue *vq, void *to,
static int vhost_copy_to_user(struct vhost_virtqueue *vq, void __user *to,
const void *from, unsigned size)
{
int ret;
@ -749,7 +749,7 @@ out:
}
static int vhost_copy_from_user(struct vhost_virtqueue *vq, void *to,
void *from, unsigned size)
void __user *from, unsigned size)
{
int ret;
@ -783,7 +783,7 @@ out:
}
static void __user *__vhost_get_user(struct vhost_virtqueue *vq,
void *addr, unsigned size)
void __user *addr, unsigned size)
{
int ret;
@ -934,8 +934,8 @@ static int umem_access_ok(u64 uaddr, u64 size, int access)
return 0;
}
int vhost_process_iotlb_msg(struct vhost_dev *dev,
struct vhost_iotlb_msg *msg)
static int vhost_process_iotlb_msg(struct vhost_dev *dev,
struct vhost_iotlb_msg *msg)
{
int ret = 0;