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-rw-r--r--mm/nommu.c8
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);