2 files changed, 8 insertions, 4 deletions

diff --git a/drivers/base/dma-buf.c b/drivers/base/dma-buf.c
index d43d80256fda..20258e179211 100644
--- a/drivers/base/dma-buf.c
+++ b/drivers/base/dma-buf.c
@@ -429,7 +429,7 @@ EXPORT_SYMBOL_GPL(dma_buf_kunmap);
 
 /**
  * dma_buf_mmap - Setup up a userspace mmap with the given vma
- * @dma_buf:    [in]    buffer that should back the vma
+ * @dmabuf:     [in]    buffer that should back the vma
  * @vma:        [in]    vma for the mmap
  * @pgoff:      [in]    offset in pages where this mmap should start within the
  *                      dma-buf buffer.
@@ -470,8 +470,9 @@ int dma_buf_mmap(struct dma_buf *dmabuf, struct vm_area_struct *vma,
 EXPORT_SYMBOL_GPL(dma_buf_mmap);
 
 /**
- * dma_buf_vmap - Create virtual mapping for the buffer object into kernel address space. Same restrictions as for vmap and friends apply.
- * @dma_buf:    [in]    buffer to vmap
+ * dma_buf_vmap - Create virtual mapping for the buffer object into kernel
+ * address space. Same restrictions as for vmap and friends apply.
+ * @dmabuf:     [in]    buffer to vmap
  *
  * This call may fail due to lack of virtual mapping address space.
  * These calls are optional in drivers. The intended use for them
@@ -491,7 +492,7 @@ EXPORT_SYMBOL_GPL(dma_buf_vmap);
 
 /**
  * dma_buf_vunmap - Unmap a vmap obtained by dma_buf_vmap.
- * @dma_buf:    [in]    buffer to vmap
+ * @dmabuf:     [in]    buffer to vunmap
  */
 void dma_buf_vunmap(struct dma_buf *dmabuf, void *vaddr)
 {
diff --git a/include/linux/dma-buf.h b/include/linux/dma-buf.h
index a02b1ff6488e..eb48f3816df9 100644
--- a/include/linux/dma-buf.h
+++ b/include/linux/dma-buf.h
@@ -65,6 +65,9 @@ struct dma_buf_attachment;
  *        mapping needs to be coherent - if the exporter doesn't directly
  *        support this, it needs to fake coherency by shooting down any ptes
  *        when transitioning away from the cpu domain.
+ * @vmap: [optional] creates a virtual mapping for the buffer into kernel
+ *        address space. Same restrictions as for vmap and friends apply.
+ * @vunmap: [optional] unmaps a vmap from the buffer
  */
 struct dma_buf_ops {
         int (*attach)(struct dma_buf *, struct device *,