mm: change confusing #ifdef use in __access_remote_vm
This patch changes confusing #ifdef use in __access_remote_vm into
merely ugly #ifdef use.
Addresses bug https://bugzilla.kernel.org/show_bug.cgi?id=81651
Signed-off-by: Rik van Riel <riel@redhat.com>
Reported-by: David Binderman <dcb314@hotmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/mm/memory.c b/mm/memory.c
index 5596d77..5c55270 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -3613,11 +3613,13 @@
ret = get_user_pages(tsk, mm, addr, 1,
write, 1, &page, &vma);
if (ret <= 0) {
+#ifndef CONFIG_HAVE_IOREMAP_PROT
+ break;
+#else
/*
* Check if this is a VM_IO | VM_PFNMAP VMA, which
* we can access using slightly different code.
*/
-#ifdef CONFIG_HAVE_IOREMAP_PROT
vma = find_vma(mm, addr);
if (!vma || vma->vm_start > addr)
break;
@@ -3625,9 +3627,9 @@
ret = vma->vm_ops->access(vma, addr, buf,
len, write);
if (ret <= 0)
-#endif
break;
bytes = ret;
+#endif
} else {
bytes = len;
offset = addr & (PAGE_SIZE-1);
