fix kernel and framework no cast type error

1 files changed, 2 insertions, 2 deletions

diff --git a/components/drivers/src/ringbuffer.c b/components/drivers/src/ringbuffer.c
index 0acdbbd38c..c6a491a7cc 100644
--- a/components/drivers/src/ringbuffer.c
+++ b/components/drivers/src/ringbuffer.c
@@ -332,11 +332,11 @@ struct rt_ringbuffer* rt_ringbuffer_create(rt_uint16_t size)
 
     size = RT_ALIGN_DOWN(size, RT_ALIGN_SIZE);
 
-    rb = rt_malloc(sizeof(struct rt_ringbuffer));
+    rb = (struct rt_ringbuffer *)rt_malloc(sizeof(struct rt_ringbuffer));
     if (rb == RT_NULL)
         goto exit;
 
-    pool = rt_malloc(size);
+    pool = (rt_uint8_t *)rt_malloc(size);
     if (pool == RT_NULL)
     {
         rt_free(rb);