Merge branch 'master' into developer

1 files changed, 6 insertions, 6 deletions

diff --git a/components/drivers/src/ringbuffer.c b/components/drivers/src/ringbuffer.c
index 88afd19506..29de20b087 100644
--- a/components/drivers/src/ringbuffer.c
+++ b/components/drivers/src/ringbuffer.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -320,8 +320,8 @@ rt_size_t rt_ringbuffer_getchar(struct rt_ringbuffer *rb, rt_uint8_t *ch)
 }
 RTM_EXPORT(rt_ringbuffer_getchar);
 
-/** 
- * get the size of data in rb 
+/**
+ * get the size of data in rb
  */
 rt_size_t rt_ringbuffer_data_len(struct rt_ringbuffer *rb)
 {
@@ -341,8 +341,8 @@ rt_size_t rt_ringbuffer_data_len(struct rt_ringbuffer *rb)
 }
 RTM_EXPORT(rt_ringbuffer_data_len);
 
-/** 
- * empty the rb 
+/**
+ * empty the rb
  */
 void rt_ringbuffer_reset(struct rt_ringbuffer *rb)
 {
@@ -362,7 +362,7 @@ struct rt_ringbuffer* rt_ringbuffer_create(rt_uint16_t size)
     struct rt_ringbuffer *rb;
     rt_uint8_t *pool;
 
-	RT_ASSERT(size > 0);
+    RT_ASSERT(size > 0);
 
     size = RT_ALIGN_DOWN(size, RT_ALIGN_SIZE);