1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/base/dma-buf.c b/drivers/base/dma-buf.c
index 24e88fe29ec1..c30f3e1d0efc 100644
--- a/drivers/base/dma-buf.c
+++ b/drivers/base/dma-buf.c
@@ -493,6 +493,7 @@ EXPORT_SYMBOL_GPL(dma_buf_vmap);
 /**
  * dma_buf_vunmap - Unmap a vmap obtained by dma_buf_vmap.
  * @dmabuf:     [in]    buffer to vunmap
+ * @vaddr:      [in]    vmap to vunmap
  */
 void dma_buf_vunmap(struct dma_buf *dmabuf, void *vaddr)
 {