diff options
| -rw-r--r-- | mm/nommu.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/mm/nommu.c b/mm/nommu.c index 00ffa974c90c..2af50831183f 100644 --- a/mm/nommu.c +++ b/mm/nommu.c @@ -129,16 +129,20 @@ int get_user_pages(struct task_struct *tsk, struct mm_struct *mm, struct page **pages, struct vm_area_struct **vmas) { int i; - static struct vm_area_struct dummy_vma; + struct vm_area_struct *vma; for (i = 0; i < len; i++) { + vma = find_vma(mm, start); + if(!vma) + return i ? : -EFAULT; + if (pages) { pages[i] = virt_to_page(start); if (pages[i]) page_cache_get(pages[i]); } if (vmas) - vmas[i] = &dummy_vma; + vmas[i] = vma; start += PAGE_SIZE; } return(i); |