From 13794992d98370aa669c25a768bcfff3bc82ea37 Mon Sep 17 00:00:00 2001
From: Yandong Lin <yandong.lin@rock-chips.com>
Date: Tue, 25 Apr 2023 16:20:09 +0800
Subject: [PATCH] [mpp_mem_pool]: fix MppMemPoolNode double put issue

When a object is double put by mpp_mem_pool_put,
it will destroy the info of MppMemPoolImpl.

So set node->check = NULL when mpp_mem_pool_put, and it will check
failed adn return when double mpp_mem_pool_put.

Signed-off-by: Yandong Lin <yandong.lin@rock-chips.com>
Change-Id: I54be2eae3a1d7e81579f89d3e80304abface3049
---
 osal/mpp_mem_pool.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/osal/mpp_mem_pool.cpp b/osal/mpp_mem_pool.cpp
index d64fea3e..6ff39268 100644
--- a/osal/mpp_mem_pool.cpp
+++ b/osal/mpp_mem_pool.cpp
@@ -205,6 +205,7 @@ void *mpp_mem_pool_get_f(const char *caller, MppMemPool pool)
             impl->unused_count--;
             impl->used_count++;
             ptr = node->ptr;
+            node->check = node;
             goto DONE;
         }
     }
@@ -255,6 +256,7 @@ void mpp_mem_pool_put_f(const char *caller, MppMemPool pool, void *p)
     list_add(&node->list, &impl->unused);
     impl->used_count--;
     impl->unused_count++;
+    node->check = NULL;
 
     pthread_mutex_unlock(&impl->lock);
 }