From 448149e5d71d237cf5ef20041693fb66594775af Mon Sep 17 00:00:00 2001
From: insanecoder <wangshun30@huawei.com>
Date: Mon, 25 Sep 2023 14:11:40 +0800
Subject: [PATCH] buff alloc bug fix

---
 src/cm_mes/mes_msg_pool.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/cm_mes/mes_msg_pool.c b/src/cm_mes/mes_msg_pool.c
index 84ae244..3635572 100644
--- a/src/cm_mes/mes_msg_pool.c
+++ b/src/cm_mes/mes_msg_pool.c
@@ -296,7 +296,7 @@ char *mes_alloc_buf_item_fc(uint32 len)
     do {
         queue = mes_get_buffer_queue(chunk);
         cm_spin_lock(&queue->lock, NULL);
-        if (count / queue->count <= RECV_MSG_POOL_FC_THRESHOLD) {
+        if (queue->count > 0 && count / queue->count <= RECV_MSG_POOL_FC_THRESHOLD) {
             buf_node = queue->first;
             queue->count--;
             if (queue->count == 0) {
-- 
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