[PATCH] Fix vma argument in get_usr_pages() for gate areas

The system call gate area handling called vm_normal_page() with the
wrong vma (which was always NULL, and caused an oops).

Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/mm/memory.c b/mm/memory.c
index 9ab206b829a2f4a55a3be143ba5e4440dc30cb1e..6c1eac92a316325c087b2da3e9ee9502495bddc7 100644 (file)
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -988,7 +988,7 @@ int get_user_pages(struct task_struct *tsk, struct mm_struct *mm,
                                return i ? : -EFAULT;
                        }
                        if (pages) {
-                               struct page *page = vm_normal_page(vma, start, *pte);
+                               struct page *page = vm_normal_page(gate_vma, start, *pte);
                                pages[i] = page;
                                if (page)
                                        get_page(page);