1 files changed, 6 insertions, 4 deletions

diff --git a/drivers/char/drm/drm_vm.c b/drivers/char/drm/drm_vm.c
index fc72f30f312b..621220f3f372 100644
--- a/drivers/char/drm/drm_vm.c
+++ b/drivers/char/drm/drm_vm.c
@@ -38,6 +38,8 @@
 #include <linux/efi.h>
 #endif
 
+static void drm_vm_open(struct vm_area_struct *vma);
+static void drm_vm_close(struct vm_area_struct *vma);
 
 /**
  * \c nopage method for AGP virtual memory.
@@ -163,7 +165,7 @@ static __inline__ struct page *drm_do_vm_shm_nopage(struct vm_area_struct *vma,
  * Deletes map information if we are the last
  * person to close a mapping and it's not in the global maplist.
  */
-void drm_vm_shm_close(struct vm_area_struct *vma)
+static void drm_vm_shm_close(struct vm_area_struct *vma)
 {
         drm_file_t      *priv   = vma->vm_file->private_data;
         drm_device_t    *dev    = priv->head->dev;
@@ -399,7 +401,7 @@ static struct vm_operations_struct   drm_vm_sg_ops = {
  * Create a new drm_vma_entry structure as the \p vma private data entry and
  * add it to drm_device::vmalist.
  */
-void drm_vm_open(struct vm_area_struct *vma)
+static void drm_vm_open(struct vm_area_struct *vma)
 {
         drm_file_t      *priv   = vma->vm_file->private_data;
         drm_device_t    *dev    = priv->head->dev;
@@ -428,7 +430,7 @@ void drm_vm_open(struct vm_area_struct *vma)
  * Search the \p vma private data entry in drm_device::vmalist, unlink it, and
  * free it.
  */
-void drm_vm_close(struct vm_area_struct *vma)
+static void drm_vm_close(struct vm_area_struct *vma)
 {
         drm_file_t      *priv   = vma->vm_file->private_data;
         drm_device_t    *dev    = priv->head->dev;
@@ -463,7 +465,7 @@ void drm_vm_close(struct vm_area_struct *vma)
  * Sets the virtual memory area operations structure to vm_dma_ops, the file
  * pointer, and calls vm_open().
  */
-int drm_mmap_dma(struct file *filp, struct vm_area_struct *vma)
+static int drm_mmap_dma(struct file *filp, struct vm_area_struct *vma)
 {
         drm_file_t       *priv   = filp->private_data;
         drm_device_t     *dev;