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-rw-r--r--mm/nommu.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/mm/nommu.c b/mm/nommu.c
index a8d17521624..17773862619 100644
--- a/mm/nommu.c
+++ b/mm/nommu.c
@@ -1921,9 +1921,11 @@ int access_process_vm(struct task_struct *tsk, unsigned long addr, void *buf, in
/* only read or write mappings where it is permitted */
if (write && vma->vm_flags & VM_MAYWRITE)
- len -= copy_to_user((void *) addr, buf, len);
+ copy_to_user_page(vma, NULL, addr,
+ (void *) addr, buf, len);
else if (!write && vma->vm_flags & VM_MAYREAD)
- len -= copy_from_user(buf, (void *) addr, len);
+ copy_from_user_page(vma, NULL, addr,
+ buf, (void *) addr, len);
else
len = 0;
} else {