1 files changed, 3 insertions, 32 deletions

diff --git a/mm/nommu.c b/mm/nommu.c
index bb8f4f004a82..c4acfbc09972 100644
--- a/mm/nommu.c
+++ b/mm/nommu.c
@@ -889,7 +889,6 @@ static int validate_mmap_request(struct file *file,
                                  unsigned long *_capabilities)
 {
         unsigned long capabilities, rlen;
-        unsigned long reqprot = prot;
         int ret;
 
         /* do the simple checks first */
@@ -1047,7 +1046,7 @@ static int validate_mmap_request(struct file *file,
         }
 
         /* allow the security API to have its say */
-        ret = security_file_mmap(file, reqprot, prot, flags, addr, 0);
+        ret = security_mmap_addr(addr);
         if (ret < 0)
                 return ret;
 
@@ -1233,7 +1232,7 @@ enomem:
 /*
  * handle mapping creation for uClinux
  */
-static unsigned long do_mmap_pgoff(struct file *file,
+unsigned long do_mmap_pgoff(struct file *file,
                             unsigned long addr,
                             unsigned long len,
                             unsigned long prot,
@@ -1471,32 +1470,6 @@ error_getting_region:
         return -ENOMEM;
 }
 
-unsigned long do_mmap(struct file *file, unsigned long addr,
-        unsigned long len, unsigned long prot,
-        unsigned long flag, unsigned long offset)
-{
-        if (unlikely(offset + PAGE_ALIGN(len) < offset))
-                return -EINVAL;
-        if (unlikely(offset & ~PAGE_MASK))
-                return -EINVAL;
-        return do_mmap_pgoff(file, addr, len, prot, flag, offset >> PAGE_SHIFT);
-}
-EXPORT_SYMBOL(do_mmap);
-
-unsigned long vm_mmap(struct file *file, unsigned long addr,
-        unsigned long len, unsigned long prot,
-        unsigned long flag, unsigned long offset)
-{
-        unsigned long ret;
-        struct mm_struct *mm = current->mm;
-
-        down_write(&mm->mmap_sem);
-        ret = do_mmap(file, addr, len, prot, flag, offset);
-        up_write(&mm->mmap_sem);
-        return ret;
-}
-EXPORT_SYMBOL(vm_mmap);
-
 SYSCALL_DEFINE6(mmap_pgoff, unsigned long, addr, unsigned long, len,
                 unsigned long, prot, unsigned long, flags,
                 unsigned long, fd, unsigned long, pgoff)
@@ -1513,9 +1486,7 @@ SYSCALL_DEFINE6(mmap_pgoff, unsigned long, addr, unsigned long, len,
 
         flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
 
-        down_write(&current->mm->mmap_sem);
-        retval = do_mmap_pgoff(file, addr, len, prot, flags, pgoff);
-        up_write(&current->mm->mmap_sem);
+        ret = vm_mmap_pgoff(file, addr, len, prot, flags, pgoff);
 
         if (file)
                 fput(file);