-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);
+ ret = security_mmap_file(file, prot, flag);
+ if (!ret) {
+ down_write(&mm->mmap_sem);
+ ret = do_mmap_pgoff(file, addr, len, prot, flag, offset >> PAGE_SHIFT);
+ up_write(&mm->mmap_sem);
+ }