2.6.24.4

 mm

diff --git a/mm/fremap.c b/mm/fremap.c
index 14bd3bf..69a37c2 100644
--- a/mm/fremap.c
+++ b/mm/fremap.c
@@ -190,10 +190,13 @@ asmlinkage long sys_remap_file_pages(unsigned long start, unsigned long size,
        */
       if (mapping_cap_account_dirty(mapping)) {
          unsigned long addr;
+         struct file *file = vma->vm_file;
 
          flags &= MAP_NONBLOCK;
-         addr = mmap_region(vma->vm_file, start, size,
+         get_file(file);
+         addr = mmap_region(file, start, size,
                flags, vma->vm_flags, pgoff, 1);
+         fput(file);
          if (IS_ERR_VALUE(addr)) {
             err = addr;
          } else {