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path: root/drivers/gpu/drm/i810/i810_dma.c
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Diffstat (limited to 'drivers/gpu/drm/i810/i810_dma.c')
-rw-r--r--drivers/gpu/drm/i810/i810_dma.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i810/i810_dma.c b/drivers/gpu/drm/i810/i810_dma.c
index 2c8a60c3b98..b85337f06fb 100644
--- a/drivers/gpu/drm/i810/i810_dma.c
+++ b/drivers/gpu/drm/i810/i810_dma.c
@@ -157,11 +157,9 @@ static int i810_unmap_buffer(struct drm_buf *buf)
if (buf_priv->currently_mapped != I810_BUF_MAPPED)
return -EINVAL;
- down_write(&current->mm->mmap_sem);
- retcode = do_munmap(current->mm,
+ retcode = vm_munmap(current->mm,
(unsigned long)buf_priv->virtual,
(size_t) buf->total);
- up_write(&current->mm->mmap_sem);
buf_priv->currently_mapped = I810_BUF_UNMAPPED;
buf_priv->virtual = NULL;