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Diffstat (limited to 'drivers/xen/gntdev.c')
-rw-r--r--drivers/xen/gntdev.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/xen/gntdev.c b/drivers/xen/gntdev.c
index a2ea5335e152..aba76d437ea8 100644
--- a/drivers/xen/gntdev.c
+++ b/drivers/xen/gntdev.c
@@ -575,21 +575,26 @@ static int gntdev_mmap(struct file *flip, struct vm_area_struct *vma)
if (!(vma->vm_flags & VM_WRITE))
map->flags |= GNTMAP_readonly;
+ spin_unlock(&priv->lock);
+
err = apply_to_page_range(vma->vm_mm, vma->vm_start,
vma->vm_end - vma->vm_start,
find_grant_ptes, map);
if (err) {
printk(KERN_WARNING "find_grant_ptes() failure.\n");
- goto unlock_out;
+ return err;
}
err = map_grant_pages(map);
if (err) {
printk(KERN_WARNING "map_grant_pages() failure.\n");
- goto unlock_out;
+ return err;
}
+
map->is_mapped = 1;
+ return 0;
+
unlock_out:
spin_unlock(&priv->lock);
return err;