From 2a1272ecfb8bc6c2ed9d856e1735abab31ade60d Mon Sep 17 00:00:00 2001
From: "Man, Jianting (Meco)" <920369182@qq.com>
Date: Wed, 23 Mar 2022 02:28:24 -0400
Subject: [PATCH] =?UTF-8?q?=E6=B6=88=E9=99=A4c99=20(#5696)?=
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---
 components/drivers/ipc/ringbuffer.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/components/drivers/ipc/ringbuffer.c b/components/drivers/ipc/ringbuffer.c
index deb8979930..7a0a98e37b 100644
--- a/components/drivers/ipc/ringbuffer.c
+++ b/components/drivers/ipc/ringbuffer.c
@@ -231,12 +231,14 @@ RTM_EXPORT(rt_ringbuffer_get);
  */
 rt_size_t rt_ringbuffer_peak(struct rt_ringbuffer *rb, rt_uint8_t **ptr)
 {
+    rt_size_t size;
+
     RT_ASSERT(rb != RT_NULL);
 
     *ptr = RT_NULL;
 
     /* whether has enough data  */
-    rt_size_t size = rt_ringbuffer_data_len(rb);
+    size = rt_ringbuffer_data_len(rb);
 
     /* no data */
     if (size == 0)
-- 
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