From: Nick Piggin <nickpiggin@yahoo.com.au>
Date: Tue, 29 Nov 2005 07:43:17 +0000 (+1100)
Subject: [PATCH] Fix vma argument in get_usr_pages() for gate areas
X-Git-Tag: v2.6.15-rc4~4^2~26
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fa2a455b028f3b6ca4dae129c6337d7edf21f12c;p=linux-2.6

[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 9ab206b829..6c1eac92a3 100644
--- 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);