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path: root/drivers/xen/gntdev.c
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Diffstat (limited to 'drivers/xen/gntdev.c')
-rw-r--r--drivers/xen/gntdev.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/xen/gntdev.c b/drivers/xen/gntdev.c
index cdc28dc8b5d9..d43ff3072c99 100644
--- a/drivers/xen/gntdev.c
+++ b/drivers/xen/gntdev.c
@@ -298,8 +298,8 @@ static int __unmap_grant_pages(struct grant_map *map, int offset, int pages)
if (map->notify.flags & UNMAP_NOTIFY_CLEAR_BYTE) {
int pgno = (map->notify.addr >> PAGE_SHIFT);
if (pgno >= offset && pgno < offset + pages && use_ptemod) {
- void __user *tmp;
- tmp = map->vma->vm_start + map->notify.addr;
+ void __user *tmp = (void __user *)
+ map->vma->vm_start + map->notify.addr;
err = copy_to_user(tmp, &err, 1);
if (err)
return err;