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xen-gntdev: Add cast to pointer

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Signed-off-by: Daniel De Graaf <dgdegra@tycho.nsa.gov>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
This commit is contained in:
Daniel De Graaf 2011-02-23 08:11:36 -05:00 • committed by Konrad Rzeszutek Wilk
parent 77c35acb7c
commit f4ee4af447
1 changed files with 2 additions and 2 deletions
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4
drivers/xen/gntdev.c
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@ -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) { if (map->notify.flags & UNMAP_NOTIFY_CLEAR_BYTE) {
int pgno = (map->notify.addr >> PAGE_SHIFT); int pgno = (map->notify.addr >> PAGE_SHIFT);
if (pgno >= offset && pgno < offset + pages && use_ptemod) { if (pgno >= offset && pgno < offset + pages && use_ptemod) {
void __user *tmp; void __user *tmp = (void __user *)
tmp = map->vma->vm_start + map->notify.addr; map->vma->vm_start + map->notify.addr;
err = copy_to_user(tmp, &err, 1); err = copy_to_user(tmp, &err, 1);
if (err) if (err)
return err; return err;