[PATCH 06/10] vhost: add missing __user annotations

Michael S. Tsirkin
2016-12-06T15:40:54Z

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

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
---
drivers/vhost/vhost.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
index 7331ef3..ba7db68 100644
--- a/drivers/vhost/vhost.c
+++ b/drivers/vhost/vhost.c
@@ -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 @@ static int vhost_copy_to_user(struct vhost_virtqueue *vq, void *to,
}

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 @@ static int vhost_copy_from_user(struct vhost_virtqueue *vq, void *to,
}

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;

--
MST