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vhost: fix sparse warnings

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Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Christoph Hellwig 2010-04-13 14:11:25 -04:00 committed by Michael S. Tsirkin
parent 179b284e2f
commit a8d3782f9e
2 changed files with 8 additions and 7 deletions
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4
drivers/vhost/net.c
View File

@ -641,7 +641,7 @@ static struct miscdevice vhost_net_misc = {
&vhost_net_fops,
};
int vhost_net_init(void)
static int vhost_net_init(void)
{
int r = vhost_init();
if (r)
@ -658,7 +658,7 @@ int vhost_net_init(void)
}
module_init(vhost_net_init);
void vhost_net_exit(void)
static void vhost_net_exit(void)
{
misc_deregister(&vhost_net_misc);
vhost_cleanup();

11
drivers/vhost/vhost.c
View File

@ -714,8 +714,8 @@ int vhost_log_write(struct vhost_virtqueue *vq, struct vhost_log *log,
return 0;
}
int translate_desc(struct vhost_dev *dev, u64 addr, u32 len,
struct iovec iov[], int iov_size)
static int translate_desc(struct vhost_dev *dev, u64 addr, u32 len,
struct iovec iov[], int iov_size)
{
const struct vhost_memory_region *reg;
struct vhost_memory *mem;
@ -740,7 +740,7 @@ int translate_desc(struct vhost_dev *dev, u64 addr, u32 len,
_iov = iov + ret;
size = reg->memory_size - addr + reg->guest_phys_addr;
_iov->iov_len = min((u64)len, size);
_iov->iov_base = (void *)(unsigned long)
_iov->iov_base = (void __user *)(unsigned long)
(reg->userspace_addr + addr - reg->guest_phys_addr);
s += size;
addr += size;
@ -994,7 +994,7 @@ void vhost_discard_vq_desc(struct vhost_virtqueue *vq)
* want to notify the guest, using eventfd. */
int vhost_add_used(struct vhost_virtqueue *vq, unsigned int head, int len)
{
struct vring_used_elem *used;
struct vring_used_elem __user *used;
/* The virtqueue contains a ring of used buffers. Get a pointer to the
* next entry in that used ring. */
@ -1018,7 +1018,8 @@ int vhost_add_used(struct vhost_virtqueue *vq, unsigned int head, int len)
smp_wmb();
/* Log used ring entry write. */
log_write(vq->log_base,
vq->log_addr + ((void *)used - (void *)vq->used),
vq->log_addr +
((void __user *)used - (void __user *)vq->used),
sizeof *used);
/* Log used index update. */
log_write(vq->log_base,