return -ENOMEM;
}
-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;
-
- if (unlikely(offset + PAGE_ALIGN(len) < offset))
- return -EINVAL;
- if (unlikely(offset & ~PAGE_MASK))
- return -EINVAL;
-
- 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);
- }
- 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)
flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
- ret = security_mmap_file(file, prot, flags);
- if (!ret) {
- down_write(¤t->mm->mmap_sem);
- retval = do_mmap_pgoff(file, addr, len, prot, flags, pgoff);
- up_write(¤t->mm->mmap_sem);
- }
+ retval = vm_mmap_pgoff(file, addr, len, prot, flags, pgoff);
if (file)
fput(file);