[PATCH v2] Docs/RCU: Correct sample code of qatomic_rcu_set

[Keqian Zhu]

Correct sample code to avoid confusing readers.

Signed-off-by: Keqian Zhu <zhukeqian1@huawei.com>
Cc: qemu-trivial@nongnu.org
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
---

v2:
 - Add Cc and R-b.

---
 docs/devel/rcu.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/devel/rcu.txt b/docs/devel/rcu.txt
index cdf002edd8..2e6cc607a1 100644
--- a/docs/devel/rcu.txt
+++ b/docs/devel/rcu.txt
@@ -392,7 +392,7 @@ Instead, we store the size of the array with the array 
itself:
 
             /* Removal phase.  */
             old_array = global_array;
-            qatomic_rcu_set(&new_array->data, new_array);
+            qatomic_rcu_set(&global_array, new_array);
             synchronize_rcu();
 
             /* Reclamation phase.  */
-- 
2.19.1