diff options
Diffstat (limited to 'mm/mmap.c')
| -rw-r--r-- | mm/mmap.c | 30 |
1 files changed, 1 insertions, 29 deletions
diff --git a/mm/mmap.c b/mm/mmap.c index 538c905d6d9b..98ef8a6c2cd8 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -1102,28 +1102,6 @@ unsigned long do_mmap_pgoff(struct file *file, unsigned long addr, return mmap_region(file, addr, len, flags, vm_flags, pgoff); } -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) @@ -1155,13 +1133,7 @@ SYSCALL_DEFINE6(mmap_pgoff, unsigned long, addr, unsigned long, len, flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE); - retval = security_mmap_file(file, prot, flags); - if (!retval) { - 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); out: |