---

yaml --- r: 217831 b: refs/heads/master c: f31fdf5 h: refs/heads/master i: 217829: ff0af9e 217827: 268b28e 217823: c0f0bc1 v: v3
git-mirror · Oct 20, 2010 · 610c591 · 610c591
1 parent 16a594c
commit 610c591
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Showing 2 changed files with 4 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 441c7416b55d3d48b4aaafc5bdd804092387d877
+refs/heads/master: f31fdf510531333dea95f0a92e6eaa1c3a7541e2
diff --git a/trunk/drivers/xen/xenfs/privcmd.c b/trunk/drivers/xen/xenfs/privcmd.c
@@ -310,6 +310,8 @@ static int mmap_return_errors(void *data, void *state)
 	return 0;
 }
 
+static struct vm_operations_struct privcmd_vm_ops;
+
 static long privcmd_ioctl_mmap_batch(void __user *udata)
 {
 	int ret;
@@ -341,6 +343,7 @@ static long privcmd_ioctl_mmap_batch(void __user *udata)
 	vma = find_vma(mm, m.addr);
 	ret = -EINVAL;
 	if (!vma ||
+	    vma->vm_ops != &privcmd_vm_ops ||
 	    (m.addr != vma->vm_start) ||
 	    ((m.addr + (nr_pages << PAGE_SHIFT)) != vma->vm_end) ||
 	    !privcmd_enforce_singleshot_mapping(vma)) {