From 80dc539698b7f40be8740edef42ff002d01b17bc Mon Sep 17 00:00:00 2001
From: winfenggao <winfeng_hs@163.com>
Date: Wed, 22 May 2024 19:12:06 +0800
Subject: [PATCH] =?UTF-8?q?=E5=A6=82=E6=9E=9C=E7=94=B3=E8=AF=B7=E7=A9=BA?=
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---
 components/drivers/ipc/ringblk_buf.c | 23 +++++++++++++++--------
 1 file changed, 15 insertions(+), 8 deletions(-)

diff --git a/components/drivers/ipc/ringblk_buf.c b/components/drivers/ipc/ringblk_buf.c
index ab160270c4..6196747838 100644
--- a/components/drivers/ipc/ringblk_buf.c
+++ b/components/drivers/ipc/ringblk_buf.c
@@ -215,6 +215,7 @@ rt_rbb_blk_t rt_rbb_blk_alloc(rt_rbb_t rbb, rt_size_t blk_size)
                 else
                 {
                     /* no space */
+                    rt_slist_insert(&rbb->free_list, &new_rbb->list);
                     new_rbb = RT_NULL;
                 }
             }
@@ -239,6 +240,7 @@ rt_rbb_blk_t rt_rbb_blk_alloc(rt_rbb_t rbb, rt_size_t blk_size)
                 else
                 {
                     /* no space */
+                    rt_slist_insert(&rbb->free_list, &new_rbb->list);
                     new_rbb = RT_NULL;
                 }
             }
@@ -246,16 +248,21 @@ rt_rbb_blk_t rt_rbb_blk_alloc(rt_rbb_t rbb, rt_size_t blk_size)
         else
         {
             /* the list is empty */
-            list_append(rbb, &new_rbb->list);
-            new_rbb->status = RT_RBB_BLK_INITED;
-            new_rbb->buf = rbb->buf;
-            new_rbb->size = blk_size;
+            if(blk_size <= rbb->buf_size)
+            {
+                list_append(rbb, &new_rbb->list);
+                new_rbb->status = RT_RBB_BLK_INITED;
+                new_rbb->buf = rbb->buf;
+                new_rbb->size = blk_size;
+            }
+            else
+            {
+                /* no space */
+                rt_slist_insert(&rbb->free_list, &new_rbb->list);
+                new_rbb = RT_NULL;
+            }
         }
     }
-    else
-    {
-        new_rbb = RT_NULL;
-    }
 
     rt_spin_unlock_irqrestore(&(rbb->spinlock), level);