diff options
Diffstat (limited to 'drivers/xen/gntdev.c')
| -rw-r--r-- | drivers/xen/gntdev.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/xen/gntdev.c b/drivers/xen/gntdev.c index 50651e566564..64a9025a87be 100644 --- a/drivers/xen/gntdev.c +++ b/drivers/xen/gntdev.c @@ -625,7 +625,7 @@ static long gntdev_ioctl_get_offset_for_vaddr(struct gntdev_priv *priv, return -EFAULT; pr_debug("priv %p, offset for vaddr %lx\n", priv, (unsigned long)op.vaddr); - down_read(¤t->mm->mmap_sem); + mmap_read_lock(current->mm); vma = find_vma(current->mm, op.vaddr); if (!vma || vma->vm_ops != &gntdev_vmops) goto out_unlock; @@ -639,7 +639,7 @@ static long gntdev_ioctl_get_offset_for_vaddr(struct gntdev_priv *priv, rv = 0; out_unlock: - up_read(¤t->mm->mmap_sem); + mmap_read_unlock(current->mm); if (rv == 0 && copy_to_user(u, &op, sizeof(op)) != 0) return -EFAULT; @@ -1014,7 +1014,7 @@ static int gntdev_mmap(struct file *flip, struct vm_area_struct *vma) * to the PTE from going stale. * * Since this vma's mappings can't be touched without the - * mmap_sem, and we are holding it now, there is no need for + * mmap_lock, and we are holding it now, there is no need for * the notifier_range locking pattern. */ mmu_interval_read_begin(&map->notifier); |