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Subjectmm: 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>
---
mm/memory.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/mm/memory.c b/mm/memory.c
index 8b44f76..9613d26 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -3591,11 +3591,13 @@ static int __access_remote_vm(struct task_struct *tsk, struct mm_struct *mm,
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;
@@ -3603,9 +3605,9 @@ static int __access_remote_vm(struct task_struct *tsk, struct mm_struct *mm,
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);

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