diff --git a/mm/memory-failure.c b/mm/memory-failure.c
index e659a7ef5acf..6b1556b4972e 100644
--- a/mm/memory-failure.c
+++ b/mm/memory-failure.c
@@ -705,8 +705,10 @@ static int kill_accessing_process(struct task_struct *p, unsigned long pfn,
 			      (void *)&priv);
 	if (ret == 1 && priv.tk.addr)
 		kill_proc(&priv.tk, pfn, flags);
+	else
+		ret = 0;
 	mmap_read_unlock(p->mm);
-	return ret ? -EFAULT : -EHWPOISON;
+	return ret > 0 ? -EHWPOISON : -EFAULT;
 }
 
 static const char *action_name[] = {