fix a struct file leak in do_mmap_pgoff()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 0 insertions, 18 deletions

diff --git a/mm/mmap.c b/mm/mmap.c
index 292ddc3cef9c..5076775a395c 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -948,24 +948,6 @@ unsigned long do_mmap_pgoff(struct file *file, unsigned long addr,
         if (mm->map_count > sysctl_max_map_count)
                 return -ENOMEM;
 
-        if (flags & MAP_HUGETLB) {
-                struct user_struct *user = NULL;
-                if (file)
-                        return -EINVAL;
-
-                /*
-                 * VM_NORESERVE is used because the reservations will be
-                 * taken when vm_ops->mmap() is called
-                 * A dummy user value is used because we are not locking
-                 * memory so no accounting is necessary
-                 */
-                len = ALIGN(len, huge_page_size(&default_hstate));
-                file = hugetlb_file_setup(HUGETLB_ANON_FILE, len, VM_NORESERVE,
-                                                &user, HUGETLB_ANONHUGE_INODE);
-                if (IS_ERR(file))
-                        return PTR_ERR(file);
-        }
-
         /* Obtain the address to map to. we verify (or select) it and ensure
          * that it represents a valid section of the address space.
          */