diff options
| -rw-r--r-- | mm/memory.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/mm/memory.c b/mm/memory.c index 8dfcd810f78e..0a7013a26019 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -1744,6 +1744,8 @@ int make_pages_present(unsigned long addr, unsigned long end) struct vm_area_struct * vma; vma = find_vma(current->mm, addr); + if (!vma) + return -1; write = (vma->vm_flags & VM_WRITE) != 0; if (addr >= end) BUG(); |